Database of Zeolite Structures
 

Framework Type CFI
Type Material
  Material Name: CIT-5    
 
Chemical Formula:
 
[Si32 O64]-CFI
 
   
Unit Cell:
 
orthorhombic

 P m n 21 (# 31)
    a = 13.6740Å b = 5.0220Å c = 25.4880Å  
    α = 90.000 ° β = 90.000° γ = 90.000°  
   
Framework density:
 
18.3 T/1000 Å3
 
 
Channels:
 
[010] 14 7.2 x 7.5* (1-dimensional)
   
References:
    Wagner, P., Yoshikawa, M., Lovallo, M., Tsuji, K., Taspatsis, M. and Davis, M.E.
   "CIT-5: a high-silica zeolite with 14-ring pores"
   Chem. Commun., , 2179-2180 (1997)
Yoshikawa, M., Wagner, P., Lovallo, M., Tsuji, K., Takewaki, T., Chen, C.Y., Beck, L.W., Jones, C., Tsapatsis, M., Zones, S.I. and Davis, M.E.
   "Synthesis, characterization, and structure solution of CIT-5, a new, high-silica, extra-large-pore molecular sieve"
   J. Phys. Chem. B, 102, 7139-7147 (1998)
 
 
Name and Code derivation:
    California Institute of Technology - five
  CIT-5 (five)
  CFI
Limiting Rings
 
14-ring viewed along [010]