Database of Zeolite Structures
 

Framework Type IWR
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
9
18
32
50
72
98
128
158
192
240
291
4·6·4·62·4·104
T2
4
11
18
31
49
72
96
125
159
194
237
285
4·62·5·6·5·102
T3
4
10
19
32
49
69
98
132
161
190
233
289
4·4·5·62·5·127
T4
4
11
20
27
43
73
99
117
147
198
246
281
4·52·6·62·6·62

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 T2,4 T3


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