Database of Zeolite Structures
 

Framework Type BOG
Reference Material
  Material Name: Boggsite    
 
Chemical Formula:		  
|Ca7Na4 (H2O)74 | [Al18Si78O192]-BOG		  
   
Unit Cell: 		 
orthorhombic
 I m m a (# 74)
    a' = 20.2360 Å b' = 23.7980 Å c' = 12.7980 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density: 		 
15.6 T/1000 Å3
 
  
Channels: 		 
[100] 12 7.0 x 7.0* <-> [010] 10 5.5 x 5.8*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
  Pluth, J.J. and Smith, J.V.
  "Crystal structure of boggsite, a new high-silica zeolite with the first three-dimensional channel system bounded by both 12- and 10-rings"
Am. Mineral., 75, 501-507 (1990)
 
  
Name and Code derivation:
    Boggsite
  BOG
Limiting Rings
 
12-ring viewed along [100]

10-ring viewed along [010]


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