Database of Zeolite Structures
 

Framework Type SFN
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
11
22
35
56
73
103
131
173
217
265
297
4·62·5·6·5·6
T2
4
11
22
38
51
76
99
135
176
220
251
296
4·62·5·6·5·6
T3
4
12
22
35
51
74
108
146
171
199
242
302
5·62·5·62·62·146
T4
4
12
19
34
55
79
101
139
163
209
263
306
5·6·5·6·52·6
T5
4
12
23
35
52
73
106
142
176
205
246
295
5·6·5·6·6·62
T6
4
12
21
34
49
78
109
138
176
196
238
310
5·62·5·62·52·6
T7
4
10
20
31
53
73
106
130
169
206
252
297
4·5·4·5·146·*
T8
4
10
19
34
48
76
102
139
166
205
242
299
4·5·4·5·6·146

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:
T3-6 T1,2 T7,8


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