Database of Zeolite Structures
 

Framework Type IRR
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
9
17
25
32
48
74
94
108
136
174
205
4·5·4·62·4·12
T2
4
12
16
24
38
51
65
92
120
143
167
204
5·12·5·12·52·6
T3
4
8
14
24
34
49
66
81
113
154
181
193
3·122·4·5·4·5
T4
4
12
18
18
31
59
67
75
117
144
148
188
52·62·52·62·52·62

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 T2,4 T3


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