Database of Zeolite Structures
 

Framework Type YFI
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
10
21
34
52
81
114
143
176
224
277
326
4·6·4·62·5·8
T2
4
12
19
35
55
77
108
145
179
221
270
329
5·5·52·6·6·6
T3
4
10
20
34
56
80
105
144
186
224
271
320
4·5·4·5·8·123
T4
4
10
21
35
53
80
111
144
185
229
270
314
4·5·4·62·8·125
T5
4
12
18
36
55
77
109
142
175
224
270
325
5·52·5·52·8·122
T6
4
11
20
33
55
81
108
142
183
220
272
330
4·52·5·6·5·8
T7
4
12
20
33
53
73
104
148
175
211
264
325
5·5·5·5·52·8
T8
4
12
22
31
50
80
107
139
180
215
264
324
5·62·5·62·52·8
T9
4
11
22
34
55
85
111
142
182
221
273
332
4·52·5·8·5·8

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:
T2,5,7,8 T1,3,4 T6,9