Database of Zeolite Structures
 

Framework Type NSI
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
23
42
70
93
126
172
216
255
314
385
5·6·5·6·52·6
T2
4
12
26
43
64
99
133
161
210
274
318
364
5·6·5·6·62·82
T3
4
12
23
40
68
95
123
169
217
256
310
383
5·5·5·5·6·82

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:
T1-3