Database of Zeolite Structures
 
 
Framework Type *-EWT
Framework
Cell Parameters: trigonal P 3 1 c (# 159)  
    a = 19.8011 Å b = 19.8011 Å c = 14.1878Å  
  α = 90.000° β = 90.000° γ = 120.000°  
Volume = 4817.6Å3  
RDLS = 0.0035  
  Framework density (FDSi): 14.5 T/1000 Å3  
  Topological density: TD10 = 692  
Ring sizes (# T-atoms): 21  10  6  5  4    
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 7.75 Å  
that can diffuse along a:   4.29 Å b:   4.29 Å c:   6.22 Å  
Accessible volume: 21.95   %  
Composite Building Units:
Natural Tiling t-ewt-1 t-ewt-2 t-ewt-3 t-rro-1
 
* Disordered Type Material
The Type Material of this Framework Type is disordered. An ordered framwork structure is given here to facilitate the discription, but no bulk material with this stucture is presently known. A brief description of the disorder is given below. For more details see the original publication.
 
Framework images
(click on icon for larger image)

viewed along [001]

projection along [001]
viewed along [100]

 


Year code assigned 2015
Data last updated Apr 2, 2015