Database of Zeolite Structures
 

Framework Type LIO
Reference Material
  Material Name: Liottite    
 
Chemical Formula:
 
|Na9.96(K,Ca)8.04Ca6(SO4)5Cl3.3F0.5| [Al18Si18O72]-LIO
 
   
Unit Cell:§
 
hexagonal

 P -6 (# 187)
    a' = 12.8700 Å b' = 12.8700 Å c' = 16.0960 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
15.6 T/1000 Å3
 
 
Channels:
 
apertures formed by 6-rings only
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 0-dimensional
   
References:
  Merlino, S. and Orlandi, P.
  "Liottite, a new mineral in the cancrinite-davyne group"
Am. Mineral., 62, 321-326 (1977)
Material name:   Liottite
Chemical formula:   [Al18Si18O72]-LIO
  § Ballirano, P., Merlino, S. and Bonaccorsi, E.
  "The crystal structure of liottite, a six-layer member of the cancrinite group"
Can. Mineral., 34, 1021-1030 (1996)
 
 
Name and Code derivation:
    Liottite
  LIO
 
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign