Database of Zeolite Structures
 

Framework Type SEW
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
11
22
34
54
75
104
143
185
224
260
313
4·5·5·62·6·12
T2
4
11
20
31
49
78
109
138
169
218
274
317
4·5·5·6·6·62
T3
4
10
21
38
54
77
103
140
185
228
265
308
4·4·5·62·6·12
T4
4
10
19
35
60
79
103
132
177
227
275
316
4·5·4·62·62·12
T5
4
10
19
31
50
77
110
140
173
211
256
325
4·5·4·6·5·10
T6
4
9
17
31
53
80
104
132
166
212
270
320
4·4·4·10·5·6
T7
4
10
20
32
51
76
108
148
182
201
257
312
4·5·4·5·5·10
T8
4
12
20
36
52
75
106
150
182
215
256
323
5·5·5·62·5·62
T9
4
10
20
30
47
74
106
135
167
208
271
316
4·62·4·62·5·62
T10
4
12
22
34
49
78
106
143
170
210
268
324
5·62·6·62·6·62
T11
4
12
26
30
48
72
116
148
176
210
258
316
5·102·62·62·62·62

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 T4,5,7,9 T6 T8,10,11


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