Database of Zeolite Structures
 
 
Framework Type MOR
Framework
Cell parameters: orthorhombic C m c m (# )
    a = 18.2560 Å b = 20.5340 Å c = 7.5420 Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 2827.3 Å3  
RDLS = 0.0031  
  Framework density (FDSi): 17.0 T/1000 Å3  
  Topological density: TD10 = 938 TD = 0.802340  
Ring sizes (# T-atoms): 12  8  5  4    
Channel dimensionality: Topological (pore opening > 6-ring): 2-dimensional  
  Maximum diameter of a sphere:  
  that can be included 6.7 Å  
that can diffuse along a:   1.57 Å b:   2.95 Å c:   6.45 Å  
Accessible volume: 12.27   %  
Secondary Building Units: 5-1          
Composite Building Units:
mor (t-tes )
Natural Tiling t-dah t-kaj t-mor t-tes
Framework images
(click on icon for larger image)

Viewed along [001]

projection along [001]
12-ring channel along c
8-ring channel along c
channel connection
Shear plane
 
Shear plane reported along {010} with c/2 shift

A probable location is shown in the pictures to the right.
References
"Peculiarity and defect structure of the natural and synthetic zeolite mordenite: A single-crystal X-ray study"
Simoncic, P. and Armbruster, T.
Am. Mineral., 89, 421-431 (2004)
Shear plane viewed along (001)

Example of {010} shear plane

 


Year code assigned 1978
Data last updated Jul  1, 2023