Database of Zeolite Structures
 

Framework Type MWW
Idealized coordinates of T atoms in space group P 6/m m m
a = 14.3900 Å b = 14.3900 Å c = 25.1980 Å α = 90.000° β = 90.000° γ = 120.000°  
 
T-atom Name
Site Multiplicity
x
y
z
Symmetry Restrictions
Site Symmetry
T1
12
0.4696
 
0.2348
 
0.1370
 
2Y,Y,Z
.m.
T2
12
0.4198
 
0.2099
 
0.3443
 
2Y,Y,Z
.m.
T3
12
0.2540
 
0.1270
 
0.4401
 
2Y,Y,Z
.m.
T4
12
0.3927
 
0.0000
 
0.1601
 
X,0,Z
..m
T5
12
0.3927
 
0.0000
 
0.2876
 
X,0,Z
..m
T6
4
0.6667
 
0.3333
 
0.0638
 
2/3,1/3,Z
3m
T7
4
0.6667
 
0.3333
 
0.2101
 
2/3,1/3,Z
3m
T8
4
0.6667
 
0.3333
 
0.3377
 
2/3,1/3,Z
3m

Copyright © 2017 Structure Commission of the International Zeolite Association (IZA-SC)