Database of Zeolite Structures
 

Framework Type OKO
Reference Material
  Material Name: COK-14    
 
Chemical Formula:		  
[Si68O136]-OKO		  
   
Unit Cell: 		 
monoclinic
 C 1 2/m 1 (# 12)
    a' = 24.1319 Å b' = 13.7918 Å c' = 12.2977 Å  
    α' = 90.000° β' = 109.600° γ' = 90.000°  
   
Framework Density: 		 
17.6 T/1000 Å3
 
  
Channels: 		 
[001] 12 5.6 x 7.0* <-> [010] 10 4.7 x 6.1*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 2-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
 
Stability:		  
transforms to an interrupted framework upon hydration
   
References:
  Verheyen, E., Joos, L., Van Havebergh, K., Breynaert, E., Kasian, N., Gobechiya, E., Houthoofd, K., Martineau, C., Hinterstein, M., Taulelle, F., Van Speybroeck, V., Waroquier, M., Bals, S., Van Tendeloo, G., Kirschhock, C.E.A. and Martens, J.A.
  "Design of zeolite by inverse sigma transofrmation"
Nature Mater., 11, 1059-1064 (2012)
 
  
Name and Code derivation:
    COK-14 = Centrum voor Oppervlakechemie en Katalyse-fourteen
  Oppervlakte en Katalyse One
  OKO
Limiting Rings
 
12-ring viewed along [001]

10-ring viewed along [010]


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