Database of Zeolite Structures
 

Framework Type JBW
Type Material
  Material Name: Na-J (Barrer and White)    
 
Chemical Formula:
 
|Na+3 (H2O)1.5| [Al3Si3 O12]-JBW
 
   
Unit Cell:
 
orthorhombic

 P n a 21 (# 33)
    a = 16.4260Å b = 15.0140Å c = 5.2240Å  
    α = 90.000 ° β = 90.000° γ = 90.000°  
(Relationship to unit cell of Framework Type: a' = 2c, b' = 2b, c' = a)
   
Framework density:
 
18.6 T/1000 Å3
 
 
Channels:
 
[001] 8 3.7 x 4.8*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
    Hansen, S. and Fälth, L.
   "X-ray study of the nepheline hydrate I structure"
   Zeolites, 2, 162-166 (1982)
 
 
Name and Code derivation:
    Na-J (Barrer and White)
  JBW
Limiting Rings
 
8-ring along [001]