Database of Zeolite Structures
 

Framework Type SFF
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
20
34
56
87
115
143
176
224
0
0
5·52·5·6·5·6
T2
4
12
20
34
56
88
115
142
177
225
0
0
5·52·5·6·5·6
T3
4
11
22
38
57
80
111
148
189
228
0
0
4·5·5·6·5·10
T4
4
11
22
39
54
84
110
145
189
234
0
0
4·5·5·6·5·10
T5
4
11
23
37
57
82
113
150
184
228
0
0
4·5·5·6·5·10
T6
4
11
20
31
58
86
115
142
174
225
0
0
4·62·5·5·5·5
T7
4
11
19
36
55
82
113
148
181
220
0
0
4·6·5·5·5·5
T8
4
11
23
36
59
79
114
147
183
229
0
0
4·5·5·6·5·10

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 T3-8


Copyright © 2017 Structure Commission of the International Zeolite Association (IZA-SC)