Database of Zeolite Structures
 
 
Framework Type ERI
Framework
Cell Parameters: hexagonal P 63/m m c (# 194)  
    a = 13.0540 Å b = 13.0540 Å c = 15.1750Å  
  α = 90.000° β = 90.000° γ = 120.000°  
Volume = 2239.5Å3  
RDLS = 0.0023  
  Framework density (FDSi): 16.1 T/1000 Å3  
  Topological density: TD10 = 738 TD = 0.628571  
Ring sizes (# T-atoms): 8  6  4    
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 7.04 Å  
that can diffuse along a:   3.42 Å b:   3.42 Å c:   3.42 Å  
Accessible volume: 15.10   %  
ABC sequence AABAAC sequence of 6-rings
Secondary Building Units: 6 or   4        
Composite Building Units:
d6r (t-hpr )
can (t-can )
Natural Tiling t-can t-eri t-hpr
Framework images
(click on icon for larger image)

Viewed normal to [001]

projection along [001]
cage viewed normal to [001]

 


Year code assigned 1978
Data last updated Jul 1, 2007