Database of Zeolite Structures

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

 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
[010] 14 7.2 x 7.5*
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
    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)
Limiting Rings
14-ring viewed along [010]