a: Record #        
b: Ion     
c: Oxidation state 
d: Electronic configuration        
e: Coordination number     
f: Spin state      
g: Crystal radius  
h: Ionic radius    
i: Notes
j: Charge to ionic radius ratio

a       b       c       d       e       f       g       h       i       j
-----------------------------------------------------------------------------------
1       Ac +3   3       6p 6    6               1.26    1.12    R       2.678571429
2       Ag +1   1       4d 10   2               0.81    0.67            1.492537313
3       Ag +1   1       4d 10   4               1.14    1       C       1
4       Ag +1   1       4d 10   4               1.16    1.02            0.980392157
5       Ag +1   1       4d 10   5               1.23    1.09    C       0.917431193
6       Ag +1   1       4d 10   6               1.29    1.15    C       0.869565217
7       Ag +1   1       4d 10   7               1.36    1.22            0.819672131
8       Ag +1   1       4d 10   8               1.42    1.28            0.78125
9       Ag +2   2       4d 9    4               0.93    0.79            2.53164557
10      Ag +2   2       4d 9    6               1.08    0.94            2.127659574
11      Ag +3   3       4d 8    4               0.81    0.67            4.47761194
12      Ag +3   3       4d 8    6               0.89    0.75    R       4
13      Al +3   3       2p 6    4               0.53    0.39    *       7.692307692
14      Al +3   3       2p 6    5               0.62    0.48            6.25
15      Al +3   3       2p 6    6               0.675   0.535   R *     5.607476636
16      Am +2   2       5f 7    7               1.35    1.21            1.652892562
17      Am +2   2       5f 7    8               1.4     1.26            1.587301587
18      Am +2   2       5f 7    9               1.45    1.31            1.526717557
19      Am +3   3       5f 6    6               1.115   0.975   R       3.076923077
20      Am +3   3       5f 6    8               1.23    1.09            2.752293578
21      Am +4   4       5f 5    6               0.99    0.85    R       4.705882353
22      Am +4   4       5f 5    8               1.09    0.95            4.210526316
23      As +3   3       4s 2    6               0.72    0.58    A       5.172413793
24      As +5   5       3d 10   4               0.475   0.335   R *     14.92537313
25      As +5   5       3d 10   6               0.6     0.46    C *     10.86956522
26      At +7   7       5d 10   6               0.76    0.62    A       11.29032258
27      Au +1   1       5d 10   6               1.51    1.37    A       0.729927007
28      Au +3   3       5d 8    4               0.82    0.68            4.411764706
29      Au +3   3       5d 8    6               0.99    0.85    A       3.529411765
30      Au +5   5       5d 6    6               0.71    0.57            8.771929825
31      B +3    3       1s 2    3               0.15    0.01    *       300
32      B +3    3       1s 2    4               0.25    0.11    *       27.27272727
33      B +3    3       1s 2    6               0.41    0.27    C       11.11111111
34      Ba +2   2       5p 6    6               1.49    1.35            1.481481481
35      Ba +2   2       5p 6    7               1.52    1.38    C       1.449275362
36      Ba +2   2       5p 6    8               1.56    1.42            1.408450704
37      Ba +2   2       5p 6    9               1.61    1.47            1.360544218
38      Ba +2   2       5p 6    10              1.66    1.52            1.315789474
39      Ba +2   2       5p 6    11              1.71    1.57            1.27388535
40      Ba +2   2       5p 6    12              1.75    1.61    C       1.242236025
41      Be +2   2       1s 2    3               0.3     0.16            12.5
42      Be +2   2       1s 2    4               0.41    0.27    *       7.407407407
43      Be +2   2       1s 2    6               0.59    0.45    C       4.444444444
44      Bi +3   3       6s 2    5               1.1     0.96    C       3.125
45      Bi +3   3       6s 2    6               1.17    1.03    R *     2.912621359
46      Bi +3   3       6s 2    8               1.31    1.17    R       2.564102564
47      Bi +5   5       5d 10   6               0.9     0.76    E       6.578947368
48      Bk +3   3       5f 8    6               1.1     0.96    R       3.125
49      Bk +4   4       5f 7    6               0.97    0.83    R       4.819277108
50      Bk +4   4       5f 7    8               1.07    0.93    R       4.301075269
51      Br -1   -1      4p 6    6               1.82    1.96    P       -0.510204082
52      Br +3   3       4p 2    4               0.73    0.59            5.084745763
53      Br +5   5       4s 2    3               0.45    0.31            16.12903226
54      Br +7   7       3d 10   4               0.39    0.25            28
55      Br +7   7       3d 10   6               0.53    0.39    A       17.94871795
56      C +4    4       1s 2    3               0.06    -0.08           -50
57      C +4    4       1s 2    4               0.29    0.15    P       26.66666667
58      C +4    4       1s 2    6               0.3     0.16    A       25
59      Ca +2   2       3p 6    6               1.14    1               2
60      Ca +2   2       3p 6    7               1.2     1.06    *       1.886792453
61      Ca +2   2       3p 6    8               1.26    1.12    *       1.785714286
62      Ca +2   2       3p 6    9               1.32    1.18            1.694915254
63      Ca +2   2       3p 6    10              1.37    1.23    C       1.62601626
64      Ca +2   2       3p 6    12              1.4     1.34    C       1.492537313
65      Cd +2   2       4d 10   4               0.92    0.78            2.564102564
66      Cd +2   2       4d 10   5               1.01    0.87            2.298850575
67      Cd +2   2       4d 10   6               1.09    0.95            2.105263158
68      Cd +2   2       4d 10   7               1.17    1.03    C       1.941747573
69      Cd +2   2       4d 10   8               1.24    1.1     C       1.818181818
70      Cd +2   2       4d 10   12              1.45    1.31            1.526717557
71      Ce +3   3       6s 1    6               1.15    1.01    R       2.97029703
72      Ce +3   3       6s 1    7               1.21    1.07    E       2.803738318
73      Ce +3   3       6s 1    8               1.283   1.143   R       2.624671916
74      Ce +3   3       6s 1    9               1.336   1.196   R       2.508361204
75      Ce +3   3       6s 1    10              1.39    1.25            2.4
76      Ce +3   3       6s 1    12              1.48    1.34    C       2.23880597
77      Ce +4   4       5p 6    6               1.01    0.87    R       4.597701149
78      Ce +4   4       5p 6    8               1.11    0.97    R       4.12371134
79      Ce +4   4       5p 6    10              1.21    1.07            3.738317757
80      Ce +4   4       5p 6    12              1.28    1.14            3.50877193
81      Cf +3   3       6d 1    6               1.09    0.95    R       3.157894737
82      Cf +4   4       5f 8    6               0.961   0.821   R       4.872107186
83      Cf +4   4       5f 8    8               1.06    0.92            4.347826087
84      Cl-1    -1      3p 6    6               1.67    1.81    P       -0.552486188
85      Cl+5    5       3s 2    3               0.26    0.12            41.66666667
86      Cl+7    7       2p 6    4               0.22    0.08    *       87.5
87      Cl+7    7       2p 6    6               0.41    0.27    A       25.92592593
88      Cm+3    3       5f 7    4               1.11    0.97    R       3.092783505
89      Cm+4    4       5f 6    4               0.99    0.85    R       4.705882353
90      Cm+4    4       5f 6    8               1.09    0.95    R       4.210526316
91      Co+2    2       3d 7    4       HS      0.72    0.58            3.448275862
92      Co+2    2       3d 7    5               0.81    0.67    C       2.985074627
93      Co+2    2       3d 7    6       LS      0.79    0.65    R       3.076923077
94      Co+2    2       3d 7    6       HS      0.885   0.745   R*      2.684563758
95      Co+2    2       3d 7    8               1.04    0.9             2.222222222
96      Co+3    3       3d 6    6       LS      0.685   0.545   R*      5.504587156
97      Co+3    3       3d 6    6       HS      0.75    0.61            4.918032787
98      Co+4    4       3d 5    4               0.54    0.4             10
99      Co+4    4       3d 5    6       HS      0.67    0.53    R       7.547169811
100     Cr+2    2       3d 4    6       LS      0.87    0.73    E       2.739726027
101     Cr+2    2       3d 4    6       HS      0.94    0.8     R       2.5
102     Cr+3    3       3d 3    6               0.755   0.615   R*      4.87804878
103     Cr+4    4       3d 2    4               0.55    0.41            9.756097561
104     Cr+4    4       3d 2    6               0.69    0.55    R       7.272727273
105     Cr+5    5       3d 1    4               0.485   0.345   R       14.49275362
106     Cr+5    5       3d 1    6               0.63    0.49    ER      10.20408163
107     Cr+5    5       3d 1    8               0.71    0.57            8.771929825
108     Cr+6    6       3p 6    4               0.4     0.26            23.07692308
109     Cr+6    6       3p 6    6               0.58    0.44    C       13.63636364
110     Cs+1    1       5p 6    6               1.81    1.67            0.598802395
111     Cs+1    1       5p 6    8               1.88    1.74            0.574712644
112     Cs+1    1       5p 6    9               1.92    1.78            0.561797753
113     Cs+1    1       5p 6    10              1.95    1.81            0.552486188
114     Cs+1    1       5p 6    11              1.99    1.85            0.540540541
115     Cs+1    1       5p 6    12              2.02    1.88            0.531914894
116     Cu+1    1       3d 10   2               0.6     0.46            2.173913043
117     Cu+1    1       3d 10   4               0.74    0.6     E       1.666666667
118     Cu+1    1       3d 10   6               0.91    0.77    E       1.298701299
119     Cu+2    2       3d 9    4               0.71    0.57            3.50877193
120     Cu+2    2       3d 9    4               0.71    0.57    *       3.50877193
121     Cu+2    2       3d 9    5               0.79    0.65    *       3.076923077
122     Cu+2    2       3d 9    6               0.87    0.73            2.739726027
123     Cu+3    3       3d 8    6       LS      0.68    0.54            5.555555556
124     D+1     1       1s 0    2               0.04    -0.1            -10
125     Dy+2    2       4f 10   6               1.21    1.07            1.869158879
126     Dy+2    2       4f 10   7               1.27    1.13            1.769911504
127     Dy+2    2       4f 10   8               1.33    1.19            1.680672269
128     Dy+3    3       4f 9    6               1.052   0.912   R       3.289473684
129     Dy+3    3       4f 9    7               1.11    0.97            3.092783505
130     Dy+3    3       4f 9    8               1.167   1.027   R       2.921129503
131     Dy+3    3       4f 9    9               1.223   1.083   R       2.770083102
132     Er+3    3       4f 11   6               1.03    0.89    R       3.370786517
133     Er+3    3       4f 11   7               1.085   0.945           3.174603175
134     Er+3    3       4f 11   8               1.144   1.004   R       2.988047809
135     Er+3    3       4f 11   9               1.202   1.062   R       2.824858757
136     Eu+2    2       4f 7    6               1.31    1.17            1.709401709
137     Eu+2    2       4f 7    7               1.34    1.2             1.666666667
138     Eu+2    2       4f 7    8               1.39    1.25            1.6
139     Eu+2    2       4f 7    9               1.44    1.3             1.538461538
140     Eu+2    2       4f 7    10              1.49    1.35            1.481481481
141     Eu+3    3       4f 6    6               1.087   0.947   R       3.167898627
142     Eu+3    3       4f 6    7               1.15    1.01            2.97029703
143     Eu+3    3       4f 6    8               1.206   1.066   R       2.814258912
144     Eu+3    3       4f 6    9               1.26    1.12    R       2.678571429
145     F-1     -1      2p 6    2               1.145   1.285           -0.778210117
146     F-1     -1      2p 6    3               1.16    1.3             -0.769230769
147     F-1     -1      2p 6    4               1.17    1.31            -0.763358779
148     F-1     -1      2p 6    6               1.19    1.33            -0.751879699
149     F+7     7       1s 2    6               0.22    0.08    A       87.5
150     Fe+2    2       3d 6    4       HS      0.77    0.63            3.174603175
151     Fe+2    2       3d 6    4       HS      0.78    0.64            3.125
152     Fe+2    2       3d 6    6       LS      0.75    0.61    E       3.278688525
153     Fe+2    2       3d 6    6       HS      0.92    0.78    R*      2.564102564
154     Fe+2    2       3d 6    8       HS      1.06    0.92    C       2.173913043
155     Fe+3    3       3d 5    4       HS      0.63    0.49    *       6.12244898
156     Fe+3    3       3d 5    5               0.72    0.58            5.172413793
157     Fe+3    3       3d 5    6       LS      0.69    0.55    R       5.454545455
158     Fe+3    3       3d 5    6       HS      0.785   0.645   R*      4.651162791
159     Fe+3    3       3d 5    8       HS      0.92    0.78            3.846153846
160     Fe+4    4       3d 4    6               0.725   0.585   R       6.837606838
161     Fe+6    6       3d2     4               0.39    0.25    R       24
162     Fr+1    1       6p 6    6               1.94    1.8     A       0.555555556
163     Ga+3    3       3d 10   4               0.61    0.47    *       6.382978723
164     Ga+3    3       3d 10   5               0.69    0.55            5.454545455
165     Ga+3    3       3d 10   6               0.76    0.62    R*      4.838709677
166     Gd+3    3       4f 7    6               1.078   0.938   R       3.198294243
167     Gd+3    3       4f 7    7               1.14    1               3
168     Gd+3    3       4f 7    8               1.193   1.053   R       2.849002849
169     Gd+3    3       4f 7    9               1.247   1.107   RC      2.7100271
170     Ge+2    2       4s 2    6               0.87    0.73    A       2.739726027
171     Ge+4    4       3d 10   4               0.53    0.39    *       10.25641026
172     Ge+4    4       3d 10   6               0.67    0.53    R*      7.547169811
173     H+1     1       1s 0    1               -0.24   -0.38           -2.631578947
174     H+1     1       1s 0    2               -0.04   -0.18           -5.555555556
175     Hf+4    4       4f 14   4               0.72    0.58    R       6.896551724
176     Hf+4    4       4f 14   6               0.85    0.71    R       5.633802817
177     Hf+4    4       4f 14   7               0.9     0.76            5.263157895
178     Hf+4    4       4f 14   8               0.97    0.83            4.819277108
179     Hg+1    1       6s 1    3               1.11    0.97            1.030927835
180     Hg+1    1       6s 1    6               1.33    1.19            0.840336134
181     Hg+2    2       5d 10   2               0.83    0.69            2.898550725
182     Hg+2    2       5d 10   4               1.1     0.96            2.083333333
183     Hg+2    2       5d 10   6               1.16    1.02            1.960784314
184     Hg+2    2       5d 10   8               1.28    1.14    R       1.754385965
185     Ho+3    3       4f 10   6               1.041   0.901   R       3.32963374
186     Ho+3    3       4f 10   8               1.155   1.015   R       2.955665025
187     Ho+3    3       4f 10   9               1.212   1.072   R       2.798507463
188     Ho+3    3       4f 10   10              1.26    1.12            2.678571429
189     I-1     -1      5p 6    6               2.06    2.2     A       -0.454545455
190     I+5     5       5s 2    3               0.58    0.44    *       11.36363636
191     I+5     5       5s 2    6               1.09    0.95            5.263157895
192     I+7     7       4d 10   4               0.56    0.42            16.66666667
193     I+7     7       4d 10   6               0.67    0.53            13.20754717
194     In+3    3       4d 10   4               0.76    0.62            4.838709677
195     In+3    3       4d 10   6               0.94    0.8     R*      3.75
196     In+3    3       4d 10   8               1.06    0.92    RC      3.260869565
197     Ir+3    3       5d 6    6               0.82    0.68    E       4.411764706
198     Ir+4    4       5d 5    6               0.765   0.625   R       6.4
199     Ir+5    5       5d 4    6               0.71    0.57    EM      8.771929825
200     K+1     1       3p 6    4               1.51    1.37            0.729927007
201     K+1     1       3p 6    6               1.52    1.38            0.724637681
202     K+1     1       3p 6    7               1.6     1.46            0.684931507
203     K+1     1       3p 6    8               1.65    1.51            0.662251656
204     K+1     1       3p 6    9               1.69    1.55            0.64516129
205     K+1     1       3p 6    10              1.73    1.59            0.628930818
206     K+1     1       3p 6    12              1.78    1.64            0.609756098
207     La+3    3       4d 10   6               1.172   1.032   R       2.906976744
208     La+3    3       4d 10   7               1.24    1.1             2.727272727
209     La+3    3       4d 10   8               1.3     1.16    R       2.586206897
210     La+3    3       4d 10   9               1.356   1.216   R       2.467105263
211     La+3    3       4d 10   10              1.41    1.27            2.362204724
212     La+3    3       4d 10   12              1.5     1.36    C       2.205882353
213     Li+1    1       1s 2    4               0.73    0.59    *       1.694915254
214     Li+1    1       1s 2    6               0.9     0.76    *       1.315789474
215     Li+1    1       1s 2    8               1.06    0.92    C       1.086956522
216     Lu+3    3       4f 14   6               1.001   0.861   R       3.484320557
217     Lu+3    3       4f 14   8               1.117   0.977   R       3.07062436
218     Lu+3    3       4f 14   9               1.172   1.032   R       2.906976744
219     Mg+2    2       2p 6    4               0.71    0.57            3.50877193
220     Mg+2    2       2p 6    5               0.8     0.66            3.03030303
221     Mg+2    2       2p 6    6               0.86    0.72    *       2.777777778
222     Mg+2    2       2p 6    8               1.03    0.89    C       2.247191011
223     Mn+2    2       3d 5    4       HS      0.8     0.66            3.03030303
224     Mn+2    2       3d 5    5       HS      0.89    0.75    C       2.666666667
225     Mn+2    2       3d 5    6       LS      0.81    0.67    E       2.985074627
226     Mn+2    2       3d 5    6       HS      0.97    0.83    R*      2.409638554
227     Mn+2    2       3d 5    7       HS      1.04    0.9     C       2.222222222
228     Mn+2    2       3d 5    8               1.1     0.96    R       2.083333333
229     Mn+3    3       3d 4    5               0.72    0.58            5.172413793
230     Mn+3    3       3d 4    6       LS      0.72    0.58    R       5.172413793
231     Mn+3    3       3d 4    6       HS      0.785   0.645   R*      4.651162791
232     Mn+4    4       3d 3    4               0.53    0.39    R       10.25641026
233     Mn+4    4       3d 3    6               0.67    0.53    R*      7.547169811
234     Mn+5    5       3d 2    4               0.47    0.33    R       15.15151515
235     Mn+6    6       3d 1    4               0.395   0.255           23.52941176
236     Mn+7    7       3p 6    4               0.39    0.25            28
237     Mn+7    7       3p 6    6               0.6     0.46    A       15.2173913
238     Mo+3    3       4d 3    6               0.83    0.69    E       4.347826087
239     Mo+4    4       4d 2    6               0.79    0.65    RM      6.153846154
240     Mo+5    5       4d 1    4               0.6     0.46    R       10.86956522
241     Mo+5    5       4d 1    6               0.75    0.61    R       8.196721311
242     Mo+6    6       4p 6    4               0.55    0.41    R*      14.63414634
243     Mo+6    6       4p 6    5               0.64    0.5             12
244     Mo+6    6       4p 6    6               0.73    0.59    R*      10.16949153
245     Mo+6    6       4p 6    7               0.87    0.73            8.219178082
246     N-3     -3      2p 6    4               1.32    1.46            -2.054794521
247     N+3     3       2s 2    6               0.3     0.16    A       18.75
248     N+5     5       1s 2    3               0.044   -0.104          -48.07692308
249     N+5     5       1s 2    4               0.27    0.13    A       38.46153846
250     Na+1    1       2p 6    4               1.13    0.99            1.01010101
251     Na+1    1       2p 6    5               1.14    1               1
252     Na+1    1       2p 6    6               1.16    1.02            0.980392157
253     Na+1    1       2p 6    7               1.26    1.12            0.892857143
254     Na+1    1       2p 6    8               1.32    1.18            0.847457627
255     Na+1    1       2p 6    9               1.38    1.24    C       0.806451613
256     Na+1    1       2p 6    12              1.53    1.39            0.71942446
257     Nb+3    3       4d 2    6               0.86    0.72            4.166666667
258     Nb+4    4       4d 1    6               0.82    0.68    RE      5.882352941
259     Nb+4    4       4d 1    8               0.93    0.79            5.063291139
260     Nb+5    5       4p 6    4               0.62    0.48    C       10.41666667
261     Nb+5    5       4p 6    6               0.78    0.64            7.8125
262     Nb+5    5       4p 6    7               0.83    0.69    C       7.246376812
263     Nb+5    5       4p 6    8               0.88    0.74            6.756756757
264     Nd+2    2       4f 4    8               1.43    1.29            1.550387597
265     Nd+2    2       4f 4    9               1.49    1.35            1.481481481
266     Nd+3    3       4f 3    6               1.123   0.983   R       3.051881994
267     Nd+3    3       4f 3    8               1.249   1.109   R*      2.705139766
268     Nd+3    3       4f 3    9               1.303   1.163   R       2.579535684
269     Nd+3    3       4f 3    12              1.41    1.27    E       2.362204724
270     Ni+2    2       3d 8    4               0.69    0.55            3.636363636
271     Ni+2    2       3d 8    4               0.63    0.49            4.081632653
272     Ni+2    2       3d 8    5               0.77    0.63    E       3.174603175
273     Ni+2    2       3d 8    6               0.83    0.69    R*      2.898550725
274     Ni+3    3       3d 7    6       LS      0.7     0.56    R*      5.357142857
275     Ni+3    3       3d 7    6       HS      0.74    0.6     E       5
276     Ni+4    4       3d 6    6       LS      0.62    0.48    R       8.333333333
277     No+2    2       5f 14   6               1.24    1.1     E       1.818181818
278     Np+2    2       5f 5    6               1.24    1.1             1.818181818
279     Np+3    3       5f 4    6               1.15    1.01            2.97029703
280     Np+4    4       5f 3    6               1.01    0.87    R       4.597701149
281     Np+4    4       5f 3    8               1.12    0.98    R       4.081632653
282     Np+5    5       5f 2    6               0.89    0.75    R       6.666666667
283     Np+6    6       5f 1    6               0.86    0.72            8.333333333
284     Np+7    7       6p 6    6               0.85    0.71    R       9.85915493
285     O-2     -2      2p 6    2               1.21    1.35    A       -1.481481481
286     O-2     -2      2p 6    3               1.22    1.36            -1.470588235
287     O-2     -2      2p 6    4               1.24    1.38            -1.449275362
288     O-2     -2      2p 6    6               1.26    1.4             -1.428571429
289     O-2     -2      2p 6    8               1.28    1.42            -1.408450704
290     OH-1    -1              2               1.18    1.32            -0.757575758
291     OH-1    -1              3               1.2     1.34            -0.746268657
292     OH-1    -1              4               1.21    1.35    E       -0.740740741
293     OH-1    -1              6               1.23    1.37    E       -0.729927007
294     Os+4    4       5d 4    6               0.77    0.63    RM      6.349206349
295     Os+5    5       5d 3    6               0.715   0.575   E       8.695652174
296     Os+6    6       5d 2    5               0.63    0.49            12.24489796
297     Os+6    6       5d 2    6               0.685   0.545   E       11.00917431
298     Os+7    7       5d 1    6               0.665   0.525   E       13.33333333
299     Os+8    8       5p 6    4               0.53    0.39            20.51282051
300     P+3     3       3s 2    6               0.58    0.44    A       6.818181818
301     P+5     5       2p 6    4               0.31    0.17    *       29.41176471
302     P+5     5       2p 6    5               0.43    0.29            17.24137931
303     P+5     5       2p 6    6               0.52    0.38    C       13.15789474
304     Pa+3    3       5f 2    6               1.18    1.04    E       2.884615385
305     Pa+4    4       6d 1    6               1.04    0.9     R       4.444444444
306     Pa+4    4       6d 1    8               1.15    1.01            3.96039604
307     Pa+5    5       6p 6    6               0.92    0.78            6.41025641
308     Pa+5    5       6p 6    8               1.05    0.91            5.494505495
309     Pa+5    5       6p 6    9               1.09    0.95            5.263157895
310     Pb+2    2       6s 2    4               1.12    0.98    C       2.040816327
311     Pb+2    2       6s 2    6               1.33    1.19            1.680672269
312     Pb+2    2       6s 2    7               1.37    1.23    C       1.62601626
313     Pb+2    2       6s 2    8               1.43    1.29    C       1.550387597
314     Pb+2    2       6s 2    9               1.49    1.35    C       1.481481481
315     Pb+2    2       6s 2    10              1.54    1.4     C       1.428571429
316     Pb+2    2       6s 2    11              1.59    1.45    C       1.379310345
317     Pb+2    2       6s 2    12              1.63    1.49            1.342281879
318     Pb+4    4       5d 10   4               0.79    0.65    E       6.153846154
319     Pb+4    4       5d 10   5               0.87    0.73    E       5.479452055
320     Pb+4    4       5d 10   6               0.915   0.775   R       5.161290323
321     Pb+4    4       5d 10   8               1.08    0.94    R       4.255319149
322     Pd+1    1       4d 9    2               0.73    0.59            1.694915254
323     Pd+2    2       4d 8    4               0.78    0.64            3.125
324     Pd+2    2       4d 8    6               1       0.86            2.325581395
325     Pd+3    3       4d 7    6               0.9     0.76            3.947368421
326     Pd+4    4       4d 6    6               0.755   0.615   R       6.504065041
327     Pm+3    3       4f 4    6               1.11    0.97    R       3.092783505
328     Pm+3    3       4f 4    8               1.233   1.093   R       2.74473925
329     Pm+3    3       4f 4    9               1.284   1.144   R       2.622377622
330     Po+4    4       6s 2    6               1.08    0.94    R       4.255319149
331     Po+4    4       6s 2    8               1.22    1.08    R       3.703703704
332     Po+6    6       5d 10   6               0.81    0.67    A       8.955223881
333     Pr+3    3       4f 2    6               1.13    0.99    R       3.03030303
334     Pr+3    3       4f 2    8               1.266   1.126   R       2.664298401
335     Pr+3    3       4f 2    9               1.319   1.179   R       2.544529262
336     Pr+4    4       4f 1    6               0.99    0.85    R       4.705882353
337     Pr+4    4       4f 1    8               1.1     0.96    R       4.166666667
338     Pt+2    2       5d 8    4               0.74    0.6             3.333333333
339     Pt+2    2       5d 8    6               0.94    0.8     A       2.5
340     Pt+4    4       5d 6    6               0.765   0.625   R       6.4
341     Pt+5    5       5d 5    6               0.71    0.57    ER      8.771929825
342     Pu+3    3       5f 5    6               1.14    1       R       3
343     Pu+4    4       5f 4    6               1       0.86    R       4.651162791
344     Pu+4    4       5f 4    8               1.1     0.96            4.166666667
345     Pu+5    5       5f 3    6               0.88    0.74    E       6.756756757
346     Pu+6    6       5f 2    6               0.85    0.71    R       8.450704225
347     Ra+2    2       6p 6    8               1.62    1.48    R       1.351351351
348     Ra+2    2       6p 6    12              1.84    1.7     R       1.176470588
349     Rb+1    1       4p 6    6               1.66    1.52            0.657894737
350     Rb+1    1       4p 6    7               1.7     1.56            0.641025641
351     Rb+1    1       4p 6    8               1.75    1.61            0.621118012
352     Rb+1    1       4p 6    9               1.77    1.63    E       0.613496933
353     Rb+1    1       4p 6    10              1.8     1.66            0.602409639
354     Rb+1    1       4p 6    11              1.83    1.69            0.591715976
355     Rb+1    1       4p 6    12              1.86    1.72            0.581395349
356     Rb+1    1       4p 6    14              1.97    1.83            0.546448087
357     Re+4    4       5d 3    6               0.77    0.63    RM      6.349206349
358     Re+5    5       5d 2    6               0.72    0.58    E       8.620689655
359     Re+6    6       5d 1    6               0.69    0.55    E       10.90909091
360     Re+7    7       5p 6    4               0.52    0.38            18.42105263
361     Re+7    7       5p 6    6               0.67    0.53            13.20754717
362     Rh+3    3       4d 6    6               0.805   0.665   R       4.511278195
363     Rh+4    4       4d 5    6               0.74    0.6     RM      6.666666667
364     Rh+5    5       4d 4    6               0.69    0.55            9.090909091
365     Ru+3    3       4d 5    6               0.82    0.68            4.411764706
366     Ru+4    4       4d 4    6               0.76    0.62    RM      6.451612903
367     Ru+5    5       4d 3    6               0.705   0.565   ER      8.849557522
368     Ru+7    7       4d 1    4               0.52    0.38            18.42105263
369     Ru+8    8       4p 6    4               0.5     0.36            22.22222222
370     S-2     -2      3p 6    6               1.7     1.84    P       -1.086956522
371     S+4     4       3s 2    6               0.51    0.37    A       10.81081081
372     S+6     6       2p 6    4               0.26    0.12    *       50
373     S+6     6       2p 6    6               0.43    0.29    C       20.68965517
374     Sb+3    3       5s 2    4               0.9     0.74            4.054054054
375     Sb+3    3       5s 2    5               0.94    0.8             3.75
376     Sb+3    3       5s 2    6               0.9     0.76    A       3.947368421
377     Sb+5    5       4d 10   6               0.74    0.6     *       8.333333333
378     Sc+3    3       3p 6    6               0.885   0.745   R*      4.026845638
379     Sc+3    3       3p 6    8               1.01    0.87    R*      3.448275862
380     Se-2    -2      4p 6    6               1.84    1.98    P       -1.01010101
381     Se+4    4       4s 2    6               0.64    0.5     A       8
382     Se+6    6       3d 10   4               0.42    0.28    *       21.42857143
383     Se+6    6       3d 10   6               0.56    0.42    C       14.28571429
384     Si+4    4       2p 6    4               0.4     0.26    *       15.38461538
385     Si+4    4       2p 6    6               0.54    0.4     R*      10
386     Sm+2    2       4f 6    7               1.36    1.22            1.639344262
387     Sm+2    2       4f 6    8               1.41    1.27            1.57480315
388     Sm+2    2       4f 6    9               1.46    1.32            1.515151515
389     Sm+3    3       4f 5    6               1.098   0.958   R       3.131524008
390     Sm+3    3       4f 5    7               1.16    1.02    E       2.941176471
391     Sm+3    3       4f 5    8               1.219   1.079   R       2.780352178
392     Sm+3    3       4f 5    9               1.272   1.132   R       2.650176678
393     Sm+3    3       4f 5    12              1.38    1.24    C       2.419354839
394     Sn+4    4       4d 10   4               0.69    0.55    R       7.272727273
395     Sn+4    4       4d 10   5               0.76    0.62    C       6.451612903
396     Sn+4    4       4d 10   6               0.83    0.69    R*      5.797101449
397     Sn+4    4       4d 10   7               0.89    0.75            5.333333333
398     Sn+4    4       4d 10   8               0.95    0.81    C       4.938271605
399     Sr+2    2       4p 6    6               1.32    1.18            1.694915254
400     Sr+2    2       4p 6    7               1.35    1.21            1.652892562
401     Sr+2    2       4p 6    8               1.4     1.26            1.587301587
402     Sr+2    2       4p 6    9               1.45    1.31            1.526717557
403     Sr+2    2       4p 6    10              1.5     1.36    C       1.470588235
404     Sr+2    2       4p 6    12              1.58    1.44    C       1.388888889
405     Ta+3    3       5d 2    6               0.86    0.72    E       4.166666667
406     Ta+4    4       5d 1    6               0.82    0.68    E       5.882352941
407     Ta+5    5       5p 6    6               0.78    0.64            7.8125
408     Ta+5    5       5p 6    7               0.83    0.69            7.246376812
409     Ta+5    5       5p 6    8               0.88    0.74            6.756756757
410     Tb+3    3       4f 8    6               1.063   0.923   R       3.250270856
411     Tb+3    3       4f 8    7               1.12    0.98    E       3.06122449
412     Tb+3    3       4f 8    8               1.18    1.04    R       2.884615385
413     Tb+3    3       4f 8    9               1.235   1.095   R       2.739726027
414     Tb+4    4       4f 7    6               0.9     0.76    R       5.263157895
415     Tb+4    4       4f 7    8               1.02    0.88            4.545454545
416     Tc+4    4       4d 3    6               0.785   0.645   RM      6.201550388
417     Tc+5    5       4d 2    6               0.74    0.6     ER      8.333333333
418     Tc+7    7       4p 6    4               0.51    0.37            18.91891892
419     Tc+7    7       4p 6    6               0.7     0.56    A       12.5
420     Te(-2)  -2      5p 6    6               2.07    2.21    P       -0.904977376
421     Te+4    4       5s 2    3               0.66    0.52            7.692307692
422     Te+4    4       5s 2    4               0.8     0.66            6.060606061
423     Te+4    4       5s 2    6               1.11    0.97            4.12371134
424     Te+6    6       4d 10   4               0.57    0.43    C       13.95348837
425     Te+6    6       4d 10   6               0.7     0.56    *       10.71428571
426     Th+4    4       6p 6    6               1.08    0.94    C       4.255319149
427     Th+4    4       6p 6    8               1.19    1.05    RC      3.80952381
428     Th+4    4       6p 6    9               1.23    1.09    *       3.669724771
429     Th+4    4       6p 6    10              1.27    1.13    E       3.539823009
430     Th+4    4       6p 6    11              1.32    1.18    C       3.389830508
431     Th+4    4       6p 6    12              1.35    1.21    C       3.305785124
432     Ti+2    2       3d 2    6               1       0.86    E       2.325581395
433     Ti+3    3       3d 1    6               0.81    0.67    R*      4.47761194
434     Ti+4    4       3p 6    4               0.56    0.42    C       9.523809524
435     Ti+4    4       3p 6    5               0.65    0.51    C       7.843137255
436     Ti+4    4       3p 6    6               0.745   0.605   R*      6.611570248
437     Ti+4    4       3p 6    8               0.88    0.74    C       5.405405405
438     Tl+1    1       6s 2    6               1.64    1.5     R       0.666666667
439     Tl+1    1       6s 2    8               1.73    1.59    R       0.628930818
440     Tl+1    1       6s 2    12              1.84    1.7     RE      0.588235294
441     Tl+3    3       5d 10   4               0.89    0.75            4
442     Tl+3    3       5d 10   6               1.025   0.885   R       3.389830508
443     Tl+3    3       5d 10   8               1.12    0.98    C       3.06122449
444     Tm+2    2       4f 13   6               1.17    1.03            1.941747573
445     Tm+2    2       4f 13   7               1.23    1.09            1.834862385
446     Tm+3    3       4f 12   6               1.02    0.88    R       3.409090909
447     Tm+3    3       4f 12   8               1.134   0.994   R       3.018108652
448     Tm+3    3       4f 12   9               1.192   1.052   R       2.851711027
449     U+3     3       5f 3    6               1.165   1.025   R       2.926829268
450     U+4     4       5f 2    6               1.03    0.89            4.494382022
451     U+4     4       5f 2    7               1.09    0.95    E       4.210526316
452     U+4     4       5f 2    8               1.14    1       R*      4
453     U+4     4       5f 2    9               1.19    1.05            3.80952381
454     U+4     4       5f 2    12              1.31    1.17    E       3.418803419
455     U+5     5       5f 1    6               0.9     0.76            6.578947368
456     U+5     5       5f 1    7               0.98    0.84    E       5.952380952
457     U+6     6       6p 6    2               0.59    0.45            13.33333333
458     U+6     6       6p 6    4               0.66    0.52            11.53846154
459     U+6     6       6p 6    6               0.87    0.73    *       8.219178082
460     U+6     6       6p 6    7               0.95    0.81    E       7.407407407
461     U+6     6       6p 6    8               1       0.86            6.976744186
462     V+2     2       3d 3    6               0.93    0.79            2.53164557
463     V+3     3       3d 2    6               0.78    0.64    R*      4.6875
464     V+4     4       3d 1    5               0.67    0.53            7.547169811
465     V+4     4       3d 1    6               0.72    0.58    R*      6.896551724
466     V+4     4       3d 1    8               0.86    0.72    E       5.555555556
467     V+5     5       3p 6    4               0.495   0.355   R*      14.08450704
468     V+5     5       3p 6    5               0.6     0.46    *       10.86956522
469     V+5     5       3p 6    6               0.68    0.54            9.259259259
470     W+4     4       5d 2    6               0.8     0.66    RM      6.060606061
471     W+5     5       5d 1    6               0.76    0.62    R       8.064516129
472     W+6     6       5p 6    4               0.56    0.42    *       14.28571429
473     W+6     6       5p 6    5               0.65    0.51            11.76470588
474     W+6     6       5p 6    6               0.74    0.6     *       10
475     Xe+8    8       4d 10   4               0.54    0.4             20
476     Xe+8    8       4d 10   6               0.62    0.48            16.66666667
477     Y+3     3       4p 6    6               1.04    0.9     R*      3.333333333
478     Y+3     3       4p 6    7               1.1     0.96            3.125
479     Y+3     3       4p 6    8               1.159   1.019   R*      2.944062807
480     Y+3     3       4p 6    9               1.215   1.075   R       2.790697674
481     Yb+2    2       4f 14   6               1.16    1.02            1.960784314
482     Yb+2    2       4f 14   7               1.22    1.08    E       1.851851852
483     Yb+2    2       4f 14   8               1.28    1.14            1.754385965
484     Yb+3    3       4f 13   6               1.008   0.868   R*      3.456221198
485     Yb+3    3       4f 13   7               1.065   0.925   E       3.243243243
486     Yb+3    3       4f 13   8               1.125   0.985   R       3.045685279
487     Yb+3    3       4f 13   9               1.182   1.042   R       2.879078695
488     Zn+2    2       3d 10   4               0.74    0.6     *       3.333333333
489     Zn+2    2       3d 10   5               0.82    0.68    *       2.941176471
490     Zn+2    2       3d 10   6               0.88    0.74    R*      2.702702703
491     Zn+2    2       3d 10   8               1.04    0.9     C       2.222222222
492     Zr+4    4       4p 6    4               0.73    0.59    R       6.779661017
493     Zr+4    4       4p 6    5               0.8     0.66    C       6.060606061
494     Zr+4    4       4p 6    6               0.86    0.72    R*      5.555555556
495     Zr+4    4       4p 6    7               0.92    0.78    *       5.128205128
496     Zr+4    4       4p 6    8               0.98    0.84    *       4.761904762
497     Zr+4    4       4p 6    9               1.03    0.89            4.494382022
-----------------------------------------------------------------------------------

References
1) R. D. Shannon, "Revised effective ionic radii and systematic studies of interatomic
   distances in halidesand chalcogenides," Acta Crystallogr., Sect. A, 32 (1976) 751-767.
2) J. David Van Horn, "Electronic Table of Shannon Ionic Radii," (2001).
   Downloaded from http://v.web.umkc.edu/vanhornj/shannonradii.htm
