Database of Zeolite Structures
 

Framework Type LEV
Reference Material
  Material Name: Levyne    
 
Chemical Formula:		  
|Ca9 (H2O)50 | [Al18Si36O108]-LEV		  
   
Unit Cell:§ 		 
trigonal
 R -3 m (# 166)
    a' = 13.3380 Å b' = 13.3380 Å c' = 23.0140 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density: 		 
15.2 T/1000 Å3
 
  
Channels: 		 
[001] 8 3.6 x 4.8**
Dimensionality
  Sorption (molecular cross section > 3.4Å): 2-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
   
References:
  Barrer, R.M. and Kerr, I.S.
  "Intracrystalline channels in levynite and some related zeolites"
Trans. Faraday Soc., 55, 1915-1923 (1959)
Material name:   Levyne
Chemical formula:   [Al18Si36O108]-LEV
  § Merlino, S., Galli, E. and Alberti, A.
  "The crystal structure of Levyne"
Tschermaks Min. Petr. Mitt., 22, 117-129 (1975)
 
  
Name and Code derivation:
    Levyne
  LEV
 
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
8-ring viewed normal to [001]


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