Database of Zeolite Structures
 

Framework Type EDI
Type Material
  Material Name: Edingtonite    
 
Chemical Formula§:
 
|Ba2+2 (H2O)8| [Al4Si6 O20]-EDI
 
   
Unit Cell§:
 
orthorhombic

 P 21 21 2 (# 18)
    a' = 9.5500Å b' = 9.6650Å c' = 6.5230Å  
    α' = 90.000 ° β' = 90.000° γ' = 90.000°  
   
Framework density:
 
16.6 T/1000 Å3
 
 
Channels:
 
<100> 8 2.8 x 3.8** <-> [001] 8 2.0 x 3.1*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
  Taylor, W.H. and Jackson, R.
   "The structure of edingtonite"
   Z. Kristallogr., 86, 53-64 (1933)
  § Galli, E.
   "Crystal structure refinement of edingtonite"
   Acta Crystallogr., B32, 1623-1627 (1976)
  Kvick, A. and Smith J.V.
   "A neutron diffraction study of the zeolite edingtonite "
   J. Chem. Phys., 79, 2356-2362 (1983)
 
 
Name and Code derivation:
    Edingtonite
  EDI
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
8-ring viewed along [110]

8-ring viewed along [001]