Database of Zeolite Structures
 

Framework Type IFY
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
10
19
30
47
72
99
127
160
195
235
283
4·6·4·8·6·62
T2
4
9
18
33
52
72
94
122
158
200
243
283
4·6·4·6·4·8
T3
4
10
19
32
50
70
97
131
161
192
234
282
4·4·6·82·6·82
T4
4
8
16
29
44
66
94
123
158
197
230
267
4·4·4·6·4·6

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 T3 T4