Database of Zeolite Structures
 

Framework Type PUN
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
8
16
29
48
62
92
121
152
183
235
272
3·4·4·102·8·10
T2
4
8
16
30
49
65
91
127
151
192
229
284
3·4·4·102·8·10
T3
4
9
16
28
48
71
87
119
156
199
227
273
4·4·4·8·10·10
T4
4
9
16
29
48
70
91
119
163
187
233
271
4·4·4·8·10·10
T5
4
8
16
32
46
64
94
130
146
190
238
284
3·3·10·10·102·102

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:
T1,2 T3,4 T5