Database of Zeolite Structures
 

Framework Type RWY
Reference Material
  Material Name: UCR-20    
 
Chemical Formula:
 
|(TAEA)16| [Ga32Ge16S96]-RWY
TAEA = C6H18N4 = tris(2-aminoethyl)amine
= N',N'-bis(2-aminoethyl)ethane-1,2-diamine
SMILES: C(CN(CCN)CCN)N   Images:  stick or 3D
 
   
Unit Cell:
 
cubic

 I -4 3 m (# 229)
    a' = 20.9352Å b' = 20.9352Å c' = 20.9352Å  
    α' = 90.000 ° β' = 90.000° γ' = 90.000°  
   
Framework Density:
 
5.2 T/1000 Å3
 
 
Channels:
 
<111> 12 6.9 x 6.9***
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
 
Stability:
 
Stable when heated in air at 300ºC for 1h (ca 20% weight loss) or at 380ºC in argon
   
References:
  Zheng, N., Bu, X., Wang, B. and Feng, P.
  "Microporous and photoluminescent chalcogenide zeolite analogs"
Science, 298, 2366-2369 (2002)
 
 
Name and Code derivation:
    University of California, Riverside -twenty
  UCR-20 (twenty)
  RWY
Limiting Rings
 
12-ring viewed along <111>