Database of Zeolite Structures
 

Framework Type JBW
Reference Material
  Material Name: Na-J (Barrer and White)    
 
Chemical Formula:
 
|Na3 (H2O)1.5 |4 [Al3Si3O12]4-JBW
 
   
Unit Cell:
 
orthorhombic

 P n a 21 (# 51)
    a' = 16.4260 Å b' = 15.0140 Å c' = 5.2240 Å  
    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]