Database of Zeolite Structures
 

Framework Type EOS
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
9
18
36
59
81
107
143
181
221
269
320
4·5·4·6·4·82
T2
4
9
18
34
60
86
105
133
183
234
268
309
4·5·4·6·4·82
T3
4
12
21
33
55
85
112
140
177
226
274
311
5·8·5·8·52·6
T4
4
12
25
37
51
79
118
151
175
214
273
330
5·8·5·8· 6·102

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: