Database of Zeolite Structures
 

Framework Type -IFU
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
9
16
24
35
50
69
96
124
146
175
210
4·5·4·6·4·14
T2
4
9
16
25
33
49
70
91
112
148
180
212
4·5·4·5·4·12
T3
4
9
15
23
36
53
70
86
111
139
177
220
4·5·4·6·4·12
T4
4
9
17
26
33
44
64
91
123
154
183
213
4·5·4·5·4·8
T5
4
8
15
22
33
53
70
91
109
138
178
211
4·5·4·5·4·14
T6
4
11
18
25
35
48
65
92
127
152
181
214
4·5·5·8·5·12
T7
4
9
15
23
36
51
72
89
118
142
174
212
4·5·4·6·4·14
T8
4
9
18
24
33
50
67
99
130
142
168
212
4·5·4·5·5·0
T9
3
9
13
22
36
45
77
90
110
144
166
198
5·0·5·0·5·0

aSize and number of shortest 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:
T1-5,7 T6 T8 T9