Database of Zeolite Structures
 
 
Framework Type VFI
Framework
Cell Parameters: hexagonal P 63/m c m (# 193)  
    a = 18.2840 Å b = 18.2840 Å c = 8.5890Å  
  α = 90.000° β = 90.000° γ = 120.000°  
Volume = 2486.7Å3  
RDLS = 0.0070  
  Framework density (FDSi): 14.5 T/1000 Å3  
  Topological density: TD10 = 669 TD = 0.562500  
Ring sizes (# T-atoms): 18  6  4    
Channel dimensionality: Topological (pore opening > 6-ring): 1-dimensional  
  Maximum diameter of a sphere:  
  that can be included 12.03 Å  
that can diffuse along a:   2.4 Å b:   2.4 Å c:   11.39 Å  
Accessible volume: 25.40   %  
Secondary Building Units: 18 or   6 or   4-2      
Composite Building Units:
afi (t-afi )
bog
  Chains: dnc
Natural Tiling t-afi t-kah t-kup t-lov
Framework images
(click on icon for larger image)

Viewed along [001]

18-ring channel viewed along [001]

 


Year code assigned 1992
Data last updated Jul 1, 2007