Database of Zeolite Structures
 
 
Framework Type EWE
Framework
Cell parameters: orthorhombic F m m m (# 69)
    a = 13.9785 Å b = 22.9027 Å c = 40.4920 Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 12963.3 Å3  
RDLS = 0.0050  
  Framework density (FDSi): 17.3 T/1000 Å3  
  Topological density: TD10 = 950  
Essential rings: [101·64·56·43]  
Channel dimensionality: Topological (pore opening > 6-ring): 1-dimensional  
  Maximum diameter of a sphere:  
  that can be included 6.99 Å  
that can diffuse along a:   5.09 Å b:   1.82 Å c:   2.46 Å  
Accessible volume: 12.35   %  
Composite Building Units:
cas
non (t-non )
Natural Tiling t-pes t-non t-nna t-ewe-1 t-ewe-2
Framework images
(click on icon for larger image)

Projected on (100)

Viewed along [010]
Viewed along [001}
The large void having two 10-ring openings

 


Year code assigned 2026
Data last updated July 31, 2026