Database of Zeolite Structures
 

Framework Type IWV
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
20
32
50
74
101
135
167
203
254
307
5·5·5·62·5·12
T2
4
9
18
32
52
78
105
130
164
213
264
310
4·5·4·5·4·12
T3
4
11
21
34
49
72
101
138
177
204
243
292
4·6·5·5·52·12
T4
4
12
20
34
50
67
100
141
178
214
232
278
5·52·5·52·142·*
T5
4
12
20
28
49
69
100
136
166
201
245
292
5·5·5·5·5·62
T6
4
12
22
32
45
69
101
137
167
199
244
303
5·52·5·6·5·6
T7
4
12
24
32
40
66
108
136
168
196
240
298
5·5·5·5·146·*

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:
T1,4-7 T2 T3


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