Database of Zeolite Structures
 

Framework Type STT
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
11
22
36
55
84
111
142
179
233
0
0
4·5·5·7·6·9
T2
4
10
23
37
57
78
108
146
187
225
0
0
4·4·5·9·6·7
T3
4
11
20
35
54
84
108
142
178
225
0
0
4·6·5·6·5·7
T4
4
10
19
32
55
81
109
141
174
223
0
0
4·5·4·6·5·5
T5
4
9
21
38
57
78
104
144
195
220
0
0
4·4·4·9·5·7
T6
4
10
20
40
57
78
105
143
191
226
0
0
4·5·4·7·5·9
T7
4
10
20
35
57
77
108
139
184
230
0
0
4·6·4·6·5·7
T8
4
10
19
35
54
77
108
146
174
215
0
0
4·5·4·9·5·6
T9
4
11
19
34
53
81
115
140
173
219
0
0
4·6·5·5·5·5
T10
4
10
21
31
51
83
115
134
172
216
0
0
4·6·4·6·5·5
T11
4
12
20
31
50
88
117
137
167
221
0
0
5·52·5·6·6·6
T12
4
10
18
35
59
77
107
150
179
221
0
0
4·5·4·9·5·5
T13
4
10
20
38
55
75
104
149
185
218
0
0
4·4·5·6·5·9
T14
4
12
21
33
58
86
112
141
174
226
0
0
5·5·5·6·5·7
T15
4
11
21
33
55
78
111
145
175
217
0
0
4·5·5·6·5·9
T16
4
11
20
32
54
89
115
138
172
221
0
0
4·62·5·5·5·5

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:
T1,3,9,15,16 T2,13 T4,6-8,10,12 T5 T11,14


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