Database of Zeolite Structures
 

Framework Type CAS
Reference Material
  Material Name: Cesium Aluminosilicate    
 
Chemical Formula:		  
|Cs4 | [Al4Si20O48]-CAS		  
   
Unit Cell: 		 
orthorhombic
 A m a 2 (# 40)
    a' = 16.7760 Å b' = 13.8280 Å c' = 5.0210 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
(Relationship to unit cell of Framework Type: a' = -c, b' = b, c' = a
   
Framework Density: 		 
20.6 T/1000 Å3
 
  
Channels: 		 
[001] 8 2.4 x 4.7*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Araki, T.
  "Crystal structure of a cesium aluminosilicate, Cs(AlSi5O12)"
Z. Kristallogr., 152, 207-213 (1980)
  Hughes, R.W. and Weller, M.T.
  "The structure of the CAS type zeolite, Cs-4[Al4Si20O48] by high-resolution powder neutron diffraction and si-29 MAS NMR"
Microporous Mesoporous Mat., 51, 189-196 (2002)
Material name:   Cesium aluminosilicate
Chemical formula:   [Al4Si20O48]-CAS
 
  
Name and Code derivation:
    Cesium Aluminosilicate
  CAS
Limiting Rings
 
8-ring viewed along [001]


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