Database of Zeolite Structures
 

Framework Type AHT
Coordination Sequences and Vertex Symbols
T-atom Name
N1 to N10 (or 12)
Vertex Symbola
T1
4
11
21
36
56
81
109
142
179
221
0
0
4·62·6·63·6·63
T2
4
10
18
32
53
78
105
140
179
218
0
0
4·63·4·63·6·64

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