Database of Zeolite Structures
 

Framework Type ATV
Reference Material
  Material Name: AlPO-25    
 
Chemical Formula:
 
[Al12P12O48]-ATV
 
   
Unit Cell:
 
orthorhombic

 A e m m (# )
    a' = 9.4490 Å b' = 15.2030 Å c' = 8.4080 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
(Relationship to unit cell of Framework Type: a' = c, b' = b, c' = a)
   
Framework Density:
 
19.9 T/1000 Å3
 
 
Channels:
 
[001] 8 3.0 x 4.9*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Richardson Jr., J.W., Smith, J.V. and Pluth, J.J.
  "AlPO4-25: Framework topology, topotactic transformation from AlPO4-21 and high-low displacive transition"
J. Phys. Chem., 94, 3365-3367 (1990)
DOI: 10.1021/j100372a002
 
 
Name and Code derivation:
    AlPO4-25 (twenty-five)
  ATV
Limiting Rings
 
8-ring viewed along [001]