Database of Zeolite Structures
 

Framework Type EON
Reference Material
  Material Name: ECR-1    
 
Chemical Formula:		  
|Na10.97Ca0.38(H2O)35.0| [AlxSi60-xO120]-EON  (x=3.6-11.4)
  
   
Unit Cell:§ 		 
orthorhombic
 P m m n (# 59)
    a' = 7.5675 Å b' = 18.1187 Å c' = 26.0605 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density: 		 
16.9 T/1000 Å3
 
  
Channels: 		 
{[100] 12 6.7 x 6.8* <-> [010] 8 {[001] 3.4 x 4.9 <-> [100] 8 2.8 x 2.8}*}**
Dimensionality
  Sorption (molecular cross section > 3.4Å): 2-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
   
References:
  Leonowicz, M.E. and Vaughan, D.E.W.
  "Proposed synthetic zeolite ECR-1 structure gives a new zeolite framework topology"
Nature, 329, 819-821 (1987)
Material name:   ECR-1
Chemical formula:   [AlxSi60-xO120]-EON  (x=3.6-11.4)
  § Gualtieri, A.F., Ferrari, S., Galli, E., Di Renzo, F. and van Beek, W.
  "Rietveld structure refinement of zeolite ECR-1"
Chem. Mater., 18, 76-84 (2006)
  Chen, C.S.H., Schlenker, J.L. and Wentzek, S.E.
  "Synthesis and characterization of synthetic zeolite ECR-1"
Zeolites, 17, 393-400 (1996)
Material name:   ECR-1
Chemical formula:   [AlxSi60-xO120]-EON  (x=3.6-11.4)
 
  
Name and Code derivation:
    Exxon Cooperate Research - one
  ECR-1 (one)
  EON
 
 
§ Chemical Formula and Unit Cell taken from the reference marked with this sign
Limiting Rings
 
12-ring viewed along [100]

8-ring viewed along [001]

8-ring viewed along [100]

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