Database of Zeolite Structures
 

Framework Type *-EWT
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
22
33
47
65
92
124
153
186
237
299
5·5·5·10·52·6
T2
4
12
21
30
44
65
96
112
135
189
245
293
5·52·5·6·5·102
T3
4
11
17
30
45
64
82
112
148
186
228
277
5·5·5·102·52·7
T4
3
6
13
23
39
62
80
95
119
169
223
264
4·*·4·*·5·*
T5
4
12
22
34
46
66
91
122
157
183
237
301
5·5·5·10·52·6
T6
4
12
22
29
45
64
94
112
140
188
241
295
5·5·5·6·5·102
T7
4
10
18
32
44
62
81
114
148
187
228
271
4·52·5·7·5·102
T8
4
10
16
27
43
72
88
98
124
183
257
290
4·5·5·5·5·7
T9
4
11
17
31
54
71
84
111
149
200
247
297
4·6·5·5·5·5
T10
4
9
17
28
49
62
77
107
156
187
213
275
4·5·4·103·5·7
T11
3
7
13
25
44
58
78
97
130
173
218
267
4·*·5·*·5·*
T12
4
12
21
27
42
67
95
100
120
180
267
307
5·5·5·5·5·5
T13
4
12
21
27
42
70
86
106
123
177
267
304
5·5·5·5·5·5

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:
T1-3,5,6,12,13 T4 T7-9,11 T10