Database of Zeolite Structures
 

Framework Type *BEA
Reference Material
  Material Name: Beta polymorph A    
 
Chemical Formula:
 
|Na7 | [Al7Si57O128]-*BEA
 
   
Unit Cell:
 
tetragonal

 P 41 2 2 (# 91)
    a' = 12.6610 Å b' = 12.6610 Å c' = 26.4060 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density:
 
15.1 T/1000 Å3
 
 
Channels:
 
<100> 12 6.6 x 6.7** <-> [001] 12 5.6 x 5.6*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
  Newsam, J.M., Treacy, M.M.J., Koetsier, W.T. and de Gruyter, C.B.
  "Structural characterization of zeolite beta"
Proc. R. Soc. Lond. A, 420, 375-405 (1988)
  Higgins, J.B., LaPierre, R.B., Schlenker, J.L., Rohrman, A.C., Wood, J.D., Kerr, G.T. and Rohrbaugh, W.J.
  "The framework topology of zeolite beta"
Zeolites, 8, 446-452 (1988)
Material name:   Beta
Chemical formula:   [Al7Si57O128]-*BEA
 
 
Name and Code derivation:
    Zeolite Beta polymorph A
  *BEA
Limiting Rings
 
12-ring viewed along <100>

12-ring viewed along [001]