Database of Zeolite Structures
 

Framework Type BRE
Reference Material
  Material Name: Brewsterite    
 
Chemical Formula:		  
|Ba0.5Sr1.5 (H2O)10 | [Al4Si12O32]-BRE		  
   
Unit Cell: 		 
monoclinic
 P 1 21/m 1 (# 11)
    a' = 6.7930 Å b' = 17.5730 Å c' = 7.7590 Å  
    α' = 90.000° β' = 94.540° γ' = 90.000°  
   
Framework Density: 		 
17.3 T/1000 Å3
 
  
Channels: 		 
[100] 8 2.3 x 5.0* <-> [001] 8 2.8 x 4.1*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
   
References:
  Schlenker, J.L., Pluth, J.J. and Smith, J.V.
  "Refinement of the Crystal Structure of Brewsterite, Ba0.5Sr1.5Al4Si12O32·10H2O"
Acta Crystallogr., B33, 2907-2910 (1977)
  Perrotta, A.J. and Smith, J.V.
  "The crystal structure of brewsterite, (Sr,Ba,Ca)(Al2Si6O16)·5H2O"
Acta Crystallogr., 17, 857-862 (1964)
Material name:   Brewsterite
Chemical formula:   [Al4Si12O32]-BRE
 
  
Name and Code derivation:
    Brewsterite
  BRE
Limiting Rings
 
8-ring viewed along [100]

8-ring viewed along [001]


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