Database of Zeolite Structures
 
 
Framework Type IWW
Framework
Cell parameters: orthorhombic P b a m (# 55)
    a = 41.6908 Å b = 12.7128 Å c = 12.7114 Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 6737.1 Å3  
RDLS = 0.0025  
  Framework density (FDSi): 16.6 T/1000 Å3  
  Topological density: TD10 = 849 TD = 0.756633  
Essential rings: [122·103·82·65·511·49]  
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 7.07 Å  
that can diffuse along a:   4.91 Å b:   4.91 Å c:   6.25 Å  
Accessible volume: 15.30   %  
Secondary Building Units: 1-5-1          
Composite Building Units:
mor (t-tes )
d4r (t-cub )
bre (t-bru )
stf (t-nuh )
mel
Natural Tiling t-bal t-bru t-cub t-dmp t-fvw t-iwr t-iww-1 t-iww-2
t-iww-3 t-kah t-mel t-nuh t-tes t-umx
Framework images
(click on icon for larger image)
Viewed along [001]

framework viewed along [010]
framework viewed along [120]
projection along [001]
projection along [010]

 

Year code assigned 2003
Data last updated Jul 1, 2007

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