Database of Zeolite Structures
 

Framework Type LTL
Reference Material
  Material Name: Linde Type L (zeolite L)    
 
Chemical Formula:
 
|K6Na3 (H2O)21 | [Al9Si27O72]-LTL
   
Unit Cell:
 
hexagonal

 P 6/m m m (# 191)
    a' = 18.4000 Å b' = 18.4000 Å c' = 7.5200 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
16.3 T/1000 Å3
 
 
Channels:
 
[001] 12 7.1 x 7.1*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
  Barrer, R.M. and Villiger, H.
  "The crystal structure of the synthetic zeolite L"
Z. Kristallogr., 128, 352-370 (1969)
 
 
Name and Code derivation:
    Zeolite L (Linde Division, Union Carbide)
  Linde Type L
  LTL
Limiting Rings
 
12-ring viewed along [001]