Database of Zeolite Structures
 
 
Framework Type IWR
Framework
Cell Parameters: orthorhombic C m m m (# 65)  
    a = 21.2325 Å b = 13.3024 Å c = 12.6759Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 3580.2Å3  
RDLS = 0.0030  
  Framework density (FDSi): 15.6 T/1000 Å3  
  Topological density: TD10 = 759 TD = 0.651  
Ring sizes (# T-atoms): 12  10  6  5  4    
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 7.48 Å  
that can diffuse along a:   4.86 Å b:   4.86 Å c:   5.91 Å  
Accessible volume: 19.35   %  
Secondary Building Units: 1-5-1          
Composite Building Units:
d4r (t-cub )
bre (t-bru )
lau (t-lau )
mel
Natural Tiling t-bal t-bru t-cub t-fvw t-iwr t-kah t-lau t-mel
t-umx
Framework images
(click on icon for larger image)

Viewed along [001]

projection along [001]
Framework viewed along [010]
projection along [010]
Framework viewed along [100]
projection along [100]
12-ring channel viewed normal to [001]
column of small cages viewed normal to [001]

 


Year code assigned 2004
Data last updated Jul 1, 2007