Database of Zeolite Structures
 

Framework Type ITR
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
21
36
55
83
113
155
194
232
283
346
5·6·5·62·5·9
T2
4
12
22
37
57
84
114
153
192
235
290
350
5·6·5·6·62·92
T3
4
11
22
39
57
80
112
152
203
243
278
335
4·92·5·5·5·62
T4
4
9
19
36
59
88
119
148
187
240
300
349
4·6·4·62·4·102
T5
4
9
18
36
62
88
114
149
192
242
294
340
4·62·4·62·4·102
T6
4
11
22
32
51
85
116
141
183
239
296
349
4·52·6·62·6·62
T7
4
11
20
32
55
87
112
139
185
245
294
333
4·52·62·62·62·62
T8
4
11
20
34
57
81
115
153
192
232
285
353
4·5·5·62·5·62
T9
4
11
22
36
53
83
121
155
180
228
303
365
4·92·5·62·5·62

aSize and number of smallest 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:
T1,2 T3,6-9 T4,5


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