Database of Zeolite Structures
 

Framework Type -IRT
Reference Material
  Material Name: ITQ-43    
 
Chemical Formula:		  
[Si115.2Ge44.8O312(OH)16]--IRT		  
   
Unit Cell: 		 
orthorhombic
 C m m m (# 65)
    a' = 26.1020 Å b' = 41.9000 Å c' = 12.8470 Å  
    α' = 90.000° β' = 90.000° γ' = 90.000°  
   
Framework Density: 		 
11.38 T/1000 Å3
 
  
Channels: 		 
([001] 28 20.1 x 21.2 <-> <100] 12 6.4 x 8.0 12 5.9 x 7.0)***
Dimensionality
  Sorption (molecular cross section > 3.4Å): 3-dimensional
  Topological (pore opening > 6-ring): 3-dimensional
    Note:
The 28-ring has a clover-leave shape and the effektive pore opening is more like 8.1 x 8.1
   
References:
  Jiang, J., Jorda, J. L., Yu, J. Laurent A. Baumes, L. A., Mugnaioli, E., Díaz-Cabañas, M. J., Kolb, U. and Corma A.
  "Synthesis and structure determination of the hierarchical meso-microporous zeolite ITQ-43"
Science, 333, 1131-1134 (2011)
 
  
Name and Code derivation:
    Instituto de Tecnologia Quimica Valencia - fourty-three
  ITQ-43 (fourty-three)
  -IRT
Limiting Rings
 
28-ring viewed along [001]

12-ring viewed along [100]

12-ring viewed along [010]

Copyright © 2017 Structure Commission of the International Zeolite Association (IZA-SC)