Database of Zeolite Structures
 

Framework Type -WEN
Reference Material
  Material Name: Wenkite    
 
Chemical Formula:
 
|Ba4(Ca,Na2)3 (SO4)3 H2O | [Al8Si12O39(OH)2]--WEN
 
   
Unit Cell:§
 
hexagonal

 P -6 2 m (# 189)
    a' = 13.5110 Å b' = 13.5110 Å c' = 7.4620 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
17.0 T/1000 Å3
 
 
Channels:
 
<100> 10 2.5 x 4.8** <-> [001] 8 2.3 x 2.7*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
  Wenk, H.-R.
  "The structure of wenkite"
Z. Kristallogr., 137, 113-126 (1973)
Material name:   Wenkite
Chemical formula:   [Al8Si12O39(OH)2]--WEN
  § Merlino, S.
  " The Crystal Structure of Wenkite"
Acta Crystallogr., B30, 1262-1266 (1974)
 
 
Name and Code derivation:
    Wenkite
  -WEN
 
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
10-ring viewed along <100>

8-ring viewed along [001]