Database of Zeolite Structures
 
 
Framework Type MEL
Framework
Cell parameters: tetragonal I -4 m 2 (# 119)
    a = 20.2700 Å b = 20.2700 Å c = 13.4590 Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 5529.9 Å3  
RDLS = 0.0024  
  Framework density (FDSi): 17.4 T/1000 Å3  
  Topological density: TD10 = 944 TD = 0.808638  
Essential rings: [103·82·64·55·42]  
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 7.72 Å  
that can diffuse along a:   5.19 Å b:   5.19 Å c:   5.19 Å  
Accessible volume: 12.69   %  
Secondary Building Units: 5-1          
Composite Building Units:
mor (t-tes )
cas
mfi (t-pen )
mel
  Chains: pen
Natural Tiling t-kaa t-kah t-kdr t-lig t-mel t-mel-1 t-mel-2 t-pen
t-tes
Framework images
(click on icon for larger image)
Viewed along [100]

projection viewed along [100]
channel system
channel intersection

 

Year code assigned 1978
Data last updated Feb 7, 2013

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