Database of Zeolite Structures
 

Framework Type SFF
Reference Material
  Material Name: SSZ-44    
 
Chemical Formula:
 
[Si32O64]-SFF
 
   
Unit Cell:
 
monoclinic

 P 1 21/m 1 (# 11)
    a' = 11.4850 Å b' = 21.9460 Å c' = 7.3880 Å  
    α' = 90.000° β' = 94.700° γ' = 90.000°  
   
Framework Density:
 
17.2 T/1000 Å3
 
 
Channels:
 
[001] 10 5.4 x 5.7*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Wagner, P., Zones, S.I., Davis, M.E. and Medrud, R.C.
  "SSZ-35 and SSZ-44: Two related zeolites containing pores circumscribed by ten- and eighteen-membered rings"
Angew. Chem. Int. Ed., 38, 1269-1272 (1999)
 
 
Name and Code derivation:
    Standard Oil Synthetic Zeolite - fourty-four
  SSZ-44 (forty-four)
  SFF
Limiting Rings
 
10-ring viewed along [001]