Database of Zeolite Structures
 

Framework Type EPI
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
11
24
42
63
93
127
160
206
262
0
0
4·52·5·8·5·8
T2
4
12
22
37
64
94
119
161
204
252
0
0
5·5·5·52·8·102
T3
4
12
20
39
66
90
118
164
214
245
0
0
5·5·5·52·5·8

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 T2,3