Database of Zeolite Structures
 

Framework Type SWY
Reference Material
  Material Name: STA-20    
 
Chemical Formula:
 
[Al36P30.4Si5.6O144]-SWY
 
   
Unit Cell:
 
trigonal

 P -3 1 c (# 194)
    a' = 13.1550 Å b' = 13.1550 Å c' = 30.5833 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
15.7 T/1000 Å3
 
 
Channels:
 
[001] 8 4.0 x 3.9***
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
   
References:
  Turrina, A., Garcia, R., Watts, A.E., Greer, H.F., Bradley, J., Zhou, W., Cox, P.A., Shannon, M.D., Mayoral, A., Casci, J.L. and Wright, P.A.
  "STA-20: an ABC-6 zeotype structure prepared by co-templating and solved via a hypothetical structure database and STEM-ADF imaging"
Chem. Mater., 29, 2180-2190 (2017)
 
 
Name and Code derivation:
    University of Saint Andrews - twenty
  STA-20 (twent(y)
  SWY
Limiting Rings
 
8-ring normal to [001]