Database of Zeolite Structures
 

Framework Type -SVR
Type Material
  Material Name: SSZ-74    
 
Chemical Formula:
 
|(C16H34N2)4|[Si924O176(OH)16]--SVR
 
   
Unit Cell:
 
monoclinic

 C 1 c 1 (# 9)
    a = 20.4756Å b = 13.3839Å c = 20.0859Å  
    α = 90.000 ° β = 102.100° γ = 90.000°  
   
Framework density:
 
17.1 T/1000 Å3
 
 
Channels:
 
[100] 10 5.5 x.5.7* <-> [010] 10 5.2 x.5.9* <-> [001] 10 5.2 x.5.6*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
 
Stability:
 
stable to calcination
   
References:
    Baerlocher, Ch., Xie, D., McCusker, L.B., Hwang, S.-J., Chan, I.Y., Ong, K., Burton, A.W. and Zones, S.I.
   "Ordered silicon vacancies in the framework structure of the zeolite catalyst SSZ-74"
   Nature Mater., 7, 631-635 (2008)
 
 
Name and Code derivation:
    Standard Oil Synthetic Zeolite - seventy-four
  SSZ-74 (seventy-four)
  -SVR
Limiting Rings
 
10-ring viewed along [100]

10-ring viewed along [010]

10-ring viewed along [001]