Database of Zeolite Structures
 

Framework Type MVY
Reference Material
  Material Name: MCM-70    
 
Chemical Formula:		  
|K2(H2O)2| [Si10B2O24]-MVY		  
   
Unit Cell:§ 		 
orthorhombic
 P m n 21 (# 31)
    a' = 13.3167 Å b' = 4.6604 Å c' = 8.7000 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
(Relationship to unit cell of Framework Type: a' = c, b' = 2a c' = b)
   
Framework Density: 		 
22.2 T/1000 Å3
 
  
Channels: 		 
[010] 10 3.1 x 4.5*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Dorset, D.L. and Kennedy, G.J.
  "Crystal structure of MCM-70: a microporous material with high framework density"
J. Phys. Chem. B, 109, 13891-13898 (2005)
Material name:   MCM-70
Chemical formula:   [Si10B2O24]-MVY
  § Xie, D., McCusker, L.B., Barlocher, Ch., Gibson, L., Burton, A.W. and Hwang, S.-J.
  "Optimized synthesis and structural characterization of the borosilicate MCM-70"
J. Phys. Chem. C, 113, 9845-9850 (2009)
 
  
Name and Code derivation:
    Mobil Composition of Matter-seventy
  MCM-70 (seventy)
  MVY
 
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
10-ring viewed along [010]


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