Database of Zeolite Structures
 

Framework Type ITW
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
23
36
56
87
121
149
181
231
288
337
5·5·5·6·8·8
T2
4
9
19
38
61
83
110
149
194
234
274
329
4·5·4·6·4·82
T3
4
9
19
38
62
82
108
152
197
229
269
338
4·5·4·6·4·82

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 T2,3