ZEOMICS - Zeolite Pore Characterization Web Tool

View Structure: CHA (Chabazite, SSZ-13)

Display using: Java (faster performance) | HTML5 (wider compatibility)

Number of topological features per unit cell.
AtomsPortalsChannelsCages JunctionsConnections
10836 42621126
Pore size distribution.
% Pore Volume in Features Total Pore Volume
Channel Diameter (Å) Cage Diameter (Å)  
% of Total
< 44–6> 6 < 66–8> 8 
5 4  6 85  0.43465
Accessible volume and surface area as a function of molecule size.
Volume (cm3/g) Surface Area (m2/g)
Characteristic Molecule Diam. (Å)  Characteristic Molecule Diam. (Å)
2468  2468
0.4340.387  19141567
Pore characterization quantities.
Largest Cavity
Diameter (Å)
Pore Limiting
Diameter (Å)
Unit cell parameters.
  Cell Lengths (Å) Cell Angles (deg.)
 abc αβγ
166 13.6813.6814.77  90.090.0120.0
International Tables for Crystallography A (2006).
Coordination sequences.
T-atom NameCoordination Sequence (to Shell 10)

Citation: Baerlocher, C. and McCusker, L. Database of Zeolite Structures. http://www.iza-structure.org/databases/, 2013. Accessed on April 23, 2013. Framework Type CHA (Material: Chabazite, SSZ-13)

Note: An oxygen radius of 1 Å is used throughout.


Please acknowledge use of characterization results from ZEOMICS using the following citation:

First, E. L., Gounaris, C. E., Wei, J., and Floudas, C. A. Computational characterization of zeolite porous networks: an automated approach. Physical Chemistry Chemical Physics, 13(38):17339–17358, 2011.