Database of Zeolite Structures
 

Framework Type IWS
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
9
18
31
47
66
94
127
159
188
226
287
4·5·4·6·4·123
T2
4
9
17
29
44
68
97
125
154
190
240
292
4·5·4·62·4·123
T3
4
11
20
28
42
70
100
120
146
186
232
291
4·52·5·6·5·6
T4
4
9
18
30
42
60
89
126
162
188
222
281
4·62·4·62·4·124
T5
4
12
18
27
48
69
94
124
160
201
237
285
5·6·5·6·62·12
T6
4
12
17
30
46
67
90
124
158
186
230
279
5·5·52·123·6·6
T7
4
11
20
24
36
72
110
126
136
182
256
306
4·52·62·62·62·62

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:
T1,4 T2 T3,7 T5,6