Database of Zeolite Structures
 

Framework Type TUN
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
22
34
59
88
116
157
198
235
285
347
5·5·5·5·52·10
T2
4
12
20
37
60
88
117
147
192
246
299
347
5·5·5·52·5·6
T3
4
12
21
39
62
84
115
155
201
242
284
338
5·5·5·5·52·103
T4
4
12
22
37
58
89
124
158
190
234
298
363
5·5·5·6·5·62
T5
4
12
24
38
59
88
119
156
195
240
292
353
5·5·5·103·52·6
T6
4
12
23
38
59
83
118
159
197
239
285
346
5·6·5·102·52·62
T7
4
12
21
37
56
90
121
154
198
234
292
350
5·5·5·5·5·6
T8
4
12
22
36
55
87
129
158
186
233
291
355
52·62·52·62·10·*
T9
4
12
22
33
55
88
124
153
187
238
292
350
5·62·5·122·52·6
T10
4
12
20
36
60
87
113
154
196
244
289
336
5·5·5·52·5·10
T11
4
12
19
37
62
87
115
153
194
243
291
345
5·5·5·5·52·6
T12
4
12
20
41
61
84
119
146
197
250
285
338
5·52·5·52·102·*
T13
4
12
24
38
61
91
121
154
194
244
297
346
5·52·5·6·5·103
T14
4
12
22
37
57
86
121
160
194
236
288
351
5·5·5·6·52·10
T15
4
12
21
36
66
92
112
151
202
250
283
334
5·5·5·52·5·103
T16
4
11
21
34
57
90
123
150
187
238
296
361
4·52·5·62·6·122
T17
4
11
24
39
58
86
122
158
190
237
301
359
4·5·5·62·6·102
T18
4
11
22
36
55
87
123
159
188
237
295
353
4·62·5·5·5·82
T19
4
11
21
35
58
86
117
150
198
241
288
352
4·5·5·5·5·82
T20
4
11
21
36
60
87
113
150
199
244
289
344
4·52·5·6·10·10
T21
4
11
23
37
60
88
121
155
200
235
292
352
4·62·5·5·5·10
T22
4
11
21
38
60
86
116
152
197
247
291
339
4·52·5·5·5·10
T23
4
11
23
38
56
87
122
152
193
241
296
351
4·5·5·6·10·10
T24
4
10
22
39
62
83
109
156
201
241
293
348
4·5·4·5·10·102

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:
T1-15 T16-23 T24


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