-ERS: Type Material
 
Database of Zeolite Structures
 

Framework Type -ERS
Reference Material
  Material Name: ECNU-46    
 
Chemical Formula:
 
|(H2O)45.8| [Si62O118(OH)12]--ERS
   
Unit Cell:
 
hexagonal

 P -6 2 c (# 190)
    a' = 19.6532 Å b' = 19.6532 Å c' = 14.0598 Å  
    α' = 90.000° β' = 90.000° γ' = 120.000°  
   
Framework Density:
 
13.2 T/1000 Å3
 
 
Channels:
 
[001] 24 4.7 x 12.6*
Dimensionality
  Sorption (molecular cross section > 3.4Å): 1-dimensional
  Topological (pore opening > 6-ring): 1-dimensional
   
References:
  Luo, Y., Xu, H., Han, Y., Tong, W., Jiao, M., Wang, N., Jiang, J., Hu, W., Wang, C., Zou, X. and Wu, P.
  "Atomic-scale insights into topotactic transformations in an extra-large-pore zeolite using time-resolved 3D electron diffraction"
Nature Synthesis, 4, 453–461 (2025)
 
 
Name and Code derivation:
    East China Normal University - forty-six
  ECNU-46 (forty-six)
  -ERS
Limiting Rings
 
24-ring along [001]