Database of Zeolite Structures

Framework Type CFI
Reference Material
  Material Name: CIT-5    
Chemical Formula:
Unit Cell:

 P m n 21 (# 31)
    a' = 13.6740 Å b' = 5.0220 Å c' = 25.4880 Å  
    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
  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)
  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)
Material name:   CIT-5
Chemical formula:   [Si32O64]-CFI
Name and Code derivation:
    California Institute of Technology - five
  CIT-5 (five)
Limiting Rings
14-ring viewed along [010]