Database of Zeolite Structures
 

Framework Type IWW
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
9
18
33
56
84
108
135
179
227
276
326
4·5·4·6·4·10
T2
4
9
18
33
55
84
114
144
177
220
276
330
4·6·4·62·4·104
T3
4
9
19
35
55
80
110
142
174
216
275
324
4·6·4·62·4·102
T4
4
9
18
34
56
79
104
138
177
219
267
320
4·5·4·6·4·10
T5
4
12
21
36
53
76
106
143
179
224
271
325
5·6·5·62·5·8
T6
4
12
18
33
55
77
105
138
178
226
265
317
5·5·5·6·52·10
T7
4
12
20
36
55
75
106
138
176
219
265
327
5·5·52·8·6·82
T8
4
11
18
33
53
78
116
146
180
219
272
323
4·62·5·6·5·102
T9
4
11
24
38
52
77
108
143
181
211
271
342
4·82·5·5·5·82
T10
4
11
20
35
54
75
107
143
172
216
275
319
4·52·5·5·5·82
T11
4
11
21
34
56
76
106
145
190
225
265
320
4·5·5·62·5·127
T12
4
10
20
34
52
78
110
156
191
216
261
331
4·4·5·62·5·127
T13
4
11
20
29
50
82
104
129
180
220
277
321
4·52·5·6·5·6
T14
4
11
20
29
48
85
111
134
165
232
282
312
4·52·6·62·6·62
T15
4
11
22
28
50
80
110
126
174
217
268
326
4·52·6·62·6·62
T16
4
11
20
31
46
79
105
131
163
225
267
313
4·52·5·6·5·6

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:
T5-7 T8-11,13-16 T12 T1-4


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