Database of Zeolite Structures
 

Framework Type AFO
Reference Material
  Material Name: AlPO-41    
 
Chemical Formula:
 
[Al20P20O80]1/2-AFO
 
   
Unit Cell:
 
monoclinic

 P 1 1 21 (# 4)
    a' = 9.7180 Å b' = 13.7920 Å c' = 8.3590 Å  
    α' = 90.000° β' = 90.000° γ' = 110.600°  
(Relationship to unit cell of Framework Type: a' = a, b' = b/(2 sin(γ')), c' = c
or, as vectors, a' = a, b' = (b - a)/2, c' = c)
   
Framework Density:
 
19.1 T/1000 Å3
 
 
Channels:
 
[001] 10 4.1 x 5.3*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Kirchner, R.M. and Bennett, J.M.
  "The structure of calcined AlPO4-41: A new framework topology containing one-dimensional 10-ring pores"
Zeolites, 14, 523-528 (1994)
 
 
Name and Code derivation:
    Aluminophosphate-forty-one
  AlPO4-41 (forty-one)
  AFO
Limiting Rings
 
10-ring viewed along [001]