Database of Zeolite Structures
 

Framework Type MOR
Type Material
  Material Name: Mordenite    
 
Chemical Formula:
 
|Na+8 (H2O)24| [Al8Si40 O96]-MOR
 
   
Unit Cell:
 
orthorhombic

 C m c m (# 63)
    a' = 18.1000Å b' = 20.5000Å c' = 7.5000Å  
    α' = 90.000 ° β' = 90.000° γ' = 90.000°  
   
Framework density:
 
17.2 T/1000 Å3
 
 
Channels:
 
[001] 12 6.5 x 7.0* <-> [001] 8 2.6 x 5.7**
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
   
References:
  Meier, W.M.
   "The crystal structure of mordenite (ptilolite) "
   Z. Kristallogr., 115, 439-450 (1961)
 
 
Name and Code derivation:
    Mordenite
  MOR
Limiting Rings
 
12-ring viewed along [001]

limiting 8 ring along [001]
between 12-ring channels