Database of Zeolite Structures
 
 
Framework Type EFN
Framework
Cell parameters: monoclinic C 1 2/m 1 (# 12)
    a = 43.2246 Å b = 20.1027 Å c = 15.6442 Å  
  α = 90.000° β = 98.942° γ = 90.000°  
Volume = 13428.6 Å3  
RDLS = 0.0024  
  Framework density (FDSi): 16.7 T/1000 Å3  
  Topological density: TD10 = 871  
Essential rings: [125·104·611·522·47]  
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 7.97 Å  
that can diffuse along a:   5.16 Å b:   6.32 Å c:   5.16 Å  
Accessible volume: 16.39   %  
Composite Building Units:
mor (t-tes )
bea
cas
stf (t-nuh )
mtw (t-mtw )
Natural Tiling t-kah t-tes t-pes t-bet t-nuh t-mel-1 t-fsf-3 t-mtw
t-mse-3 t-efn-1 t-mse-4 t-efn-2 t-itg t-efn-3
Framework images
(click on icon for larger image)

Viewed along [010]

Viewed along [001]
Projection viewed along [101]
The 12-ring channel extending along [010]

 


Year code assigned 2026
Data last updated July 6, 2026