Database of Zeolite Structures
 
 
Framework Type *BEA
Framework
Cell Parameters: tetragonal P 41 2 2 (# 91)
    a = 12.6320 Å b = 12.6320 Å c = 26.1860 Å  
  α = 90.000° β = 90.000° γ = 90.000°  
Volume = 4178.4 Å3  
RDLS = 0.0022  
  Framework density (FDSi): 15.3 T/1000 Å3  
  Topological density: TD10 = 805 TD = 0.704545  
Ring sizes (# T-atoms): 12  6  5  4    
Channel dimensionality: Topological (pore opening > 6-ring): 3-dimensional  
  Maximum diameter of a sphere:  
  that can be included 6.68 Å  
that can diffuse along a:   5.95 Å b:   5.95 Å c:   5.95 Å  
Accessible volume: 20.52   %  
Secondary Building Units: combinations only          
Composite Building Units:
mor (t-tes )
bea
mtw (t-mtw )
Natural Tiling t-bea-1 t-bea-2 t-bet t-mtw t-tes t-umx
 
* Disordered Type Material
The Type Material of this Framework Type is disordered. An ordered framwork structure is given here to facilitate the discription, but no bulk material with this stucture is presently known. For more details see Intergrowth Families (PDF) and/or the original publication.
Framework images
(click on icon for larger image)

Viewed along [100]

projection along [100]
projection along [001] with depth fading
viewed along [001]
12-ring channel viewed normal to [100]
channel intersection viewed normal to [001]
'layer' normal to [001], viewed along [001]
'layer' normal to [001], viewed along [100]

 


Year code assigned 1992
Data last updated Jul 1, 2007