Database of Zeolite Structures
 
 
Framework Type AFR
Framework
Cell Parameters: orthorhombic P m m n (# 59)  
    a = 22.3050 Å b = 13.5670 Å c = 6.9720Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 2109.8Å3  
RDLS = 0.0008  
  Framework density (FDSi): 15.2 T/1000 Å3  
  Topological density: TD10 = 687 TD = 0.579229  
Ring sizes (# T-atoms): 12  8  6  4    
Channel dimensionality: Topological (pore opening > 6-ring): 2-dimensional  
  Maximum diameter of a sphere:  
  that can be included 8.36 Å  
that can diffuse along a:   1.64 Å b:   3.77 Å c:   6.97 Å  
Accessible volume: 19.62   %  
Secondary Building Units: 6-2 or   4-4- or   4      
Composite Building Units:
sti
Natural Tiling t-ohc t-tti
Framework images
(click on icon for larger image)

Viewed along [001]

projection along [001]
viewed along [010]
projection along [010]
12-ring channel viewed normal to [001]

 


Year code assigned 1992
Data last updated Jul 1, 2007