Database of Zeolite Structures
 

Framework Type PTT
Reference Material
  Material Name: PST-33    
 
Chemical Formula:
 
|ASN+1.3Na2.7| [Si19.3Al4.7O48]-PTT
ASN+ = C8H16N+= 5-azoniaspiro[4.4]nonane
SMILES: C1CC[N+]2(C1)CCCC2   Images:  stick or 3D
 
   
Unit Cell:
 
trigonal

 P -3 (# 164)
    a' = 12.9952 Å b' = 12.9952 Å c' = 10.1770 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
16.1 T/1000 Å3
 
 
Channels:
 
[001] 8 3.3 x 5.3**
Dimensionality
  Sorption (molecular cross section > 3.4Å): 0-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
   
References:
  Lee, H., Choi, W., Choi, H.J., Hong, S.B.
  "PST-33: A Four-Layer ABC-6 Zeolite with the Stacking Sequence AABC"
ACS Materials Lett., 2, 981-985 (2020)
DOI: 10.1021/acsmaterialslett.0c00232
 
 
Name and Code derivation:
    POSTECH, Pohang (Korea) - thirty-three
  PST-33 (thirty-three)
  PTT
Limiting Rings
 
8-ring viewed normal to [001]