Database of Zeolite Structures
 

Framework Type PCR
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
22
41
67
96
128
170
218
270
317
381
5·5·5·6·52·8
T2
4
12
25
42
65
98
133
173
212
266
331
388
5·6·5·8·52·6
T3
4
12
21
40
68
92
126
167
220
268
314
384
5·5·5·52·5·8
T4
4
12
22
44
66
94
129
179
223
261
309
388
5·5·5·6·52·6
T5
4
12
27
42
62
97
143
171
209
264
337
390
5·6·5·8·6·62
T6
4
12
24
37
70
102
122
165
230
268
314
373
5·5·5·5·106·122
T7
4
12
20
38
69
100
119
161
234
269
310
370
5·52·5·52·102·102
T8
4
12
21
38
70
98
124
162
220
277
317
378
5·5·5·5·52·6
T9
4
12
20
39
67
104
119
158
223
280
309
377
5·52·5·52·102·122
T10
4
12
23
40
64
95
136
171
205
273
327
389
5·5·5·5·6·62

aSize and number of shortest ring on each angle of the T-atom (M. O'Keeffe and S.T. Hyde, Zeolites 19, 370 (1997))
* = no closed ring at this angle
 
Loop configuration of T-atoms:
T1-10