Database of Zeolite Structures
 
 
Framework Type -JSI
Framework
Cell parameters: hexagonal P -3 (# 147)
    a = 30.8738 Å b = 30.8738 Å c = 9.9614 Å  
  α = 90.000° β = 90.000° γ = 120.000°  
Volume = 8223.0 Å3  
RDLS = 0.0041  
  Framework density (FDSi): 9.2 T/1000 Å3  
  Topological density: TD10 = 437  
Essential rings: [361·63·58·44]  
Channel dimensionality: Topological (pore opening > 6-ring): 1-dimensional  
  Maximum diameter of a sphere:  
  that can be included 19.97 Å  
that can diffuse along a:   1.72 Å b:   1.72 Å c:   19.17 Å  
Accessible volume: 48.69   %  
Composite Building Units:
sgt (t-sgt )
Natural Tiling t-pes t-ewt-1 t-sgt t-jsi
Framework images
(click on icon for larger image)

Viewed along [001]

Projection along [001]
36-ring channel viewed normal to [001]
36-ring channel wall
Channel cut along [001] to see inside wall. viewed normal to [001]

 


Year code assigned 2026
Data last updated August 1, 2026