ATT
Framework Type ATT
Framework
Space Group:Pmma
Cell Parameters:
a = 9.980 Åb = 7.514 Åc = 9.369 Å
α = 90.000 °β = 90.000 °γ = 90.000°
Volume = 702.58 Å3
RDLS = 0.0027
Framework density (FDSi): 17.1 T/1000 Å3
Topological density:TD10 = 768TD = 0.647619
Ring sizes (# T-atoms): 8   6   4               
Channel system: 2-dimensional
Maximum diameter of a sphere:
that can be included5.42 Å
that can diffuse alonga:   3.79 Åb:   3.69 Åc:   1.41 Å
Accessible volume: 9  %  (additional data)
Secondary Building Units:4-2 or 6   
Composite Building Units:
abw
gis
  Chains:dcc
    dsc
Coordinates:List (T-atoms), CIF (T and O atoms)
Coordination sequences:
    + Vertex symbols
    + Loop configurations
List
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Year code assigned1987
Data last updated (M/D/Y)07/01/2007

Copyright © 2008 Structure Commission of the International Zeolite Association (IZA-SC)