Database of Zeolite Structures
 

Framework Type MSO
Reference Material
  Material Name: MCM-61    
 
Chemical Formula:
 
|K6.3 (18-crown-6)3|1/3 [Al6.3Si83.7O180]1/3-MSO
18-crown-6 = C12H24O6 = 18-crown-6 ether
= 1,4,7,10,13,16-hexaoxacyclooctadecane
SMILES: C1COCCOCCOCCOCCOCCO1   Images:  stick or 3D
 
   
Unit Cell:
 
rhombohedral

 R -3 m (# 166)
    a' = 11.8410 Å b' = 11.8410 Å c' = 11.8410 Å  
    α' = 93.290° β' = 93.290° γ' = 93.290°  
(hexagonal setting: a = 17.220Å, c = 19.296Å)
   
Framework Density:
 
18.2 T/1000 Å3
 
 
Channels:
 
apertures formed by 6-rings only
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 0-dimensional
   
References:
  Shantz, D.F., Burton, A. and Lobo, R.F.
  "Synthesis, structure solution and characterization of the aluminosilicate MCM-61: the first aluminosilicate clathrate with 18-membered rings"
Microporous Mesoporous Mat., 31, 61-73 (1999)
  Valyosik, E.W.
  "Synthetic porous crystalline MCM-61, its synthesis and use"
US Patent, , 5,670,131 (1997)
Material name:   MCM-61
Chemical formula:   [Al6.3Si83.7O180]1/3-MSO
 
 
Name and Code derivation:
    Mobil Composition of Matter - sixty-one
  MCM-61 (sixty-one)
  MSO