Database of Zeolite Structures
 

Framework Type MTT
Reference Material
  Material Name: ZSM-23    
 
Chemical Formula:		  
|Nax (H2O)4 | [AlxSi24-xO48]-MTT  (x<2)
  
   
Unit Cell:§ 		 
orthorhombic
 P m n 21 (# 59)
    a' = 21.5000 Å b' = 11.1000 Å c' = 5.0000 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density: 		 
20.1 T/1000 Å3
 
  
Channels: 		 
[001] 10 4.5 x 5.2*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Rohrman Jr., A.C., LaPierre, R.B., Schlenker, J.L., Wood, J.D., Valyocsik, E.W., Rubin, M.K., Higgins, J.B. and Rohrbaugh, W.J.
  "The framework topology of ZSM-23: a high silica zeolite"
Zeolites, 5, 352-354 (1985)
Material name:   ZSM-23
Chemical formula:   [AlxSi24-xO48]-MTT  (x<2)
  § Schlenker, J.L., Higgins, J.B. and Cox, D.E.
private communication, ,
  Marler, B., Deroche, C., Gies, H., Fyfe, C.A., Grondey, H., Kokotailo, G.T., Feng, Y., Ernst, S., Weitkamp, J. and Cox, D.E.
  "The Structure of Zeolite ZSM-23 (MTT) Refined from Synchrotron X-Ray Powder Data"
J. Appl. Crystallogr., 26, 636-644 (1993)
DOI: 10.1107/S0021889893002006
Material name:   ZSM-23
Chemical formula:   [AlxSi24-xO48]-MTT  (x<2)
  Zones, S.I., Darton, R.J., Morris, R. and Hwang, S.-J.
  "Studies on the role of fluoride ion vs reaction concentration in zeolite synthesis"
J. Phys. Chem. B, 109, 652-661 (2005)
Material name:   ZSM-23
Chemical formula:   [AlxSi24-xO48]-MTT  (x<2)
 
  
Name and Code derivation:
    Zeolite Socony Mobil- twenty-three
  ZSM-23 (twenty-three)
  MTT
 
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
10-ring viewed along [001]


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