Database of Zeolite Structures
 

Framework Type AET
Reference Material
  Material Name: AlPO-8    
 
Chemical Formula:
 
[Al36P36O144]-AET
 
   
Unit Cell:
 
orthorhombic

 C m c 21 (# 63)
    a' = 33.2900 Å b' = 14.7600 Å c' = 8.2570 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density:
 
17.7 T/1000 Å3
 
 
Channels:
 
[001] 14 7.9 x 8.7*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Dessau, R.M., Schlenker, J.L. and Higgins, J.B.
  "Framework topology of AlPO4-8: the first 14-ring molecular sieve"
Zeolites, 10, 522-524 (1990)
  Richardson Jr., J.W. and Vogt, E.T.C.
  "Structure Determination and Rietveld Refinement of Aluminophosphate Molecular Sieve AlPO4-8"
Zeolites, 12, 13-19 (1992)
Material name:   AlPO-8
Chemical formula:   [Al36P36O144]-AET
 
 
Name and Code derivation:
    Aluminophosphate-eight
  AlPO4-8 (eight)
  AET
Limiting Rings
 
14-ring viewed along [001]