Database of Zeolite Structures
 

Framework Type MSE
Type Material
  Material Name: MCM-68    
 
Chemical Formula:
 
[Al11.4Si100.6 O224]-MSE
 
   
Unit Cell:
 
tetragonal

 P 42/m n m (# 136)
    a = 18.2860Å b = 18.2860Å c = 20.2080Å  
    α = 90.000 ° β = 90.000° γ = 90.000°  
   
Framework density:
 
16.6 T/1000 Å3
 
 
Channels:
 
{ [001] 12 6.4 x 6.8 <-> [100] 10 5.2 x 5.8 <-> [110] 10 5.2 x 5.2 }***
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
    Dorset, D.L., Weston, S.C. and Dhingra, S.S.
   "Crystal structure of zeolite MCM-68: a new three-dimensional framework with large pores"
   J. Phys. Chem. B, 110, 2045-2050 (2006)
 
 
Name and Code derivation:
    Mobil Composition of Matter - sixty-eight
  MCM-68 (sixty-eight)
  MSE
Limiting Rings
 
12-ring viewed along [001]

10-ring viewed along [100]

10-ring viewed along [110]