Click on a space group to add it to the search form.

The frequency of occurrence of all 230 space groups in ICSD up to year 2005.
Structures reported with Space groups having very low frequency should be treated as suspect.

Space GroupFrequency
1 295
2 3547
3 35
4 493
5 302
6 34
7 212
8 224
9 427
10 116
11 1055
12 3077
13 410
14 6392
15 3385
16 13
17 26
18 101
19 674
20 106
21 34
22 23
23 12
24 4
25 32
26 89
27 4
28 25
29 217
30 18
31 242
32 30
33 837
34 40
35 26
36 498
37 17
38 124
39 37
40 63
41 83
42 56
43 221
44 103
45 14
46 121
47 948
48 8
49 6
50 19
51 161
52 124
53 57
54 48
55 522
56 118
57 309
58 531
59 348
60 494
61 867
62 6555
63 1696
64 628
65 486
66 137
67 59
68 35
69 223
70 289
71 568
72 192
73 26
74 423
75 21
76 33
77 8
78 5
79 37
80 13
81 30
82 231
83 31
84 34
85 115
86 85
87 438
88 402
89 3
90 13
91 13
92 177
93 0
94 4
95 8
96 56
97 6
98 13
99 176
100 69
101 0
102 18
103 7
104 8
105 5
106 4
107 77
108 20
109 30
110 30
111 21
112 21
113 222
114 66
115 20
116 18
117 23
118 29
119 54
120 28
121 114
122 377
123 1892
124 42
125 36
126 58
127 523
128 133
129 1125
130 131
131 44
132 18
133 20
134 20
135 88
136 807
137 189
138 39
139 3716
140 808
141 752
142 251
143 71
144 72
145 15
146 159
147 170
148 1228
149 26
150 170
151 28
152 295
153 1
154 112
155 126
156 298
157 53
158 17
159 118
160 621
161 319
162 102
163 133
164 949
165 139
166 2256
167 1486
168 1
169 28
170 10
171 1
172 1
173 364
174 113
175 20
176 953
177 1
178 31
179 5
180 91
181 29
182 141
183 11
184 12
185 123
186 741
187 190
188 31
189 559
190 115
191 1526
192 159
193 364
194 3009
195 12
196 19
197 114
198 342
199 67
200 73
201 89
202 46
203 153
204 304
205 495
206 243
207 1
208 10
209 2
210 8
211 0
212 94
213 93
214 25
215 134
216 1044
217 285
218 283
219 42
220 269
221 2703
222 3
223 456
224 75
225 5010
226 89
227 4306
228 23
229 629
230 574


The ICSD database is copyright 2003 by Fachinformationszentrum (FIZ) Karlsruhe
Please report technical problems with ICSD for WWW to hewat@ill.fr (Alan Hewat).