Database of Zeolite Structures
 

Framework Type CAN
Reference Material
  Material Name: Cancrinite    
 
Chemical Formula:
 
|Na6 CaCO3 (H2O)2 | [Al6Si6O24]-CAN
   
Unit Cell:§
 
hexagonal

 P 63 (# 173)
    a' = 12.7500 Å b' = 12.7500 Å c' = 5.1400 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
16.6 T/1000 Å3
 
 
Channels:
 
[001] 12 5.9 x 5.9*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Pauling, L.
  "The structure of some sodium and calcium aluminosilicates"
Proc. Natl. Acad. Sci., 16, 453-459 (1930)
Material name:   Cancrinite
Chemical formula:   [Al6Si6O24]-CAN
  § Jarchow, O.
  "Atomordnung und Strukturverfeinerung von Cancrinit"
Z. Kristallogr., 122, 407-422 (1965)
 
 
Name and Code derivation:
    Cancrinite
  CAN
 
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
12-ring viewed along [001]