Database of Zeolite Structures
 
 
Framework Type GIS
Framework
Cell parameters: tetragonal I 41/a m d (# 141)
    a = 9.8010 Å b = 9.8010 Å c = 10.1580 Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 975.8 Å3  
RDLS = 0.0016  
  Framework density (FDSi): 16.4 T/1000 Å3  
  Topological density: TD10 = 726 TD = 0.611111  
Essential rings: [81·42]  
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 4.97 Å  
that can diffuse along a:   3.32 Å b:   3.32 Å c:   3.32 Å  
Accessible volume: 9.38   %  
Secondary Building Units: 8 or   4        
Composite Building Units:
gis (t-gsm )
  Chains: dcc
Natural Tiling t-gsm
Framework images
(click on icon for larger image)

Viewed along [100]

projection along [100]

 


Year code assigned 1978
Data last updated Jul 1, 2007