Database of Zeolite Structures
 

Framework Type FER
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
12
21
39
66
95
126
169
221
265
0
0
5·5·5·52·5·8
T2
4
12
27
43
62
97
139
172
206
264
0
0
5·8·5·8·52·6
T3
4
12
20
35
67
104
121
157
223
276
0
0
5·52·5·52·102·122
T4
4
12
23
40
66
96
131
164
214
272
0
0
5·5·5·5·52·6

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:
T1-4