Database of Zeolite Structures
 

Framework Type APC
Type Material
  Material Name: AlPO-C    
 
Chemical Formula§:
 
[Al16P16 O64]-APC
 
   
Unit Cell§:
 
orthorhombic

 P b c a (# 61)
    a' = 19.8210Å b' = 10.0280Å c' = 8.9360Å  
    α' = 90.000 ° β' = 90.000° γ' = 90.000°  
(Relationship to unit cell of Framework Type: a'= b, b' = c, c' = a)
   
Framework density:
 
18.0 T/1000 Å3
 
 
Channels:
 
[001] 8 3.4 x 3.7* <-> [100] 8 2.0 x 4.7*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
 
Stability:
 
Transforms to AlPO4-D at ca 250°C
   
References:
  § Keller, E.B., Meier, W.M. and Kirchner, R.M.
   "Synthesis, structures of AlPO4-C and AlPO4-D, and their topotactic transformation"
   Solid State Ionics, 43, 93-102 (1990)
  Bennett, J.M., Dytrych, W.J., Pluth, J.J., Richardson Jr., J.W. and Smith, J.V.
   "Structural features of aluminophosphate materials with Al/P=1"
   Zeolites, 6, 349-359 (1986)
 
 
Name and Code derivation:
    AlPO4-C
  APC
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
8-ring viewed along [001]

distorted 8-ring viewed along [100]