Database of Zeolite Structures
 

Framework Type PON
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
10
20
36
56
76
105
144
180
215
260
323
4·6·4·6·6·8
T2
4
10
20
34
54
82
108
134
175
224
264
304
4·6·4·6·62·107
T3
4
10
19
34
56
78
106
144
179
211
262
321
4·6·4·62·63·64
T4
4
11
20
34
55
83
110
136
176
227
264
304
4·6·6·62·64·107
T5
4
9
18
34
54
75
104
142
176
211
260
319
4·4·4·6·6·63
T6
4
10
21
38
57
76
105
146
182
212
262
325
4·6·4·6·62·8

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:
T1-3,6 T4 T5