Database of Zeolite Structures
 

Framework Type -CHI
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
11
22
40
64
89
120
160
203
248
0
0
4·63·6·6·62·62
T2
4
10
20
36
60
86
115
157
196
238
0
0
4·5·6·9·63·102
T3
3
8
13
29
53
80
113
147
193
231
0
0
4·5·9
T4
4
6
14
28
56
80
114
152
190
236
0
0
4·4·5·9·10·10

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 T4