Database of Zeolite Structures
 

Framework Type CSV
Type Material
  Material Name: CIT-7    
 
Chemical Formula:
 
[Si20O40]-CSV
 
   
Unit Cell:
 
triclinic

 P -1 (# 2)
    a = 13.0187Å b = 11.2063Å c = 9.3758Å  
    α = 92.820 ° β = 107.200° γ = 103.260°  
   
Framework density:
 
15.9 T/1000 Å3
 
 
Channels:
 
[001] 10 5.0 x 6.2* <-> [010] 8 3.2 x 5.4*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 2-dimensional
   
References:
    Schmidt, J.E., Xie, D., Rea, T. and Davis, M.E.
   "CIT-7, a crystalline, molecular sieve with pores bounded by 8 and 10-membered rings"
   Chem. Sci., 6, 1728-1734 (2015)
 
 
Name and Code derivation:
    California Institute of Technology - seven
  CIT-7 (seven)
  CSV
Limiting Rings
 
10-ring viewed along [001]

8-ring viewed along [011]