Database of Zeolite Structures
 
 
Framework Type POS
Framework
Cell parameters: tetragonal P 42/m n m (# 136)
    a = 18.7661 Å b = 18.7661 Å c = 11.6939 Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 4118.2 Å3  
RDLS = 0.0046  
  Framework density (FDSi): 15.5 T/1000 Å3  
  Topological density: TD10 = 806  
Essential rings: [121·112·64·53·46]  
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 7.27 Å  
that can diffuse along a:   5.68 Å b:   5.68 Å c:   6.58 Å  
Accessible volume: 19.86   %  
Composite Building Units:
d4r (t-cub )
lau (t-lau )
stf (t-nuh )
mel
Natural Tiling t-cub t-kah t-lau t-mel t-nuh t-pos-1 t-pos-2 t-pos-3
Framework images
(click on icon for larger image)
viewed along [001]

projection along [001]
viewed along [110]
projection along [110]

 

Year code assigned 2014
Data last updated Oct 28, 2014

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