View Structure: ERI (Erionite)
| Number of topological features per unit cell. | |||||
| Atoms | Portals | Channels | Cages | Junctions | Connections |
| 108 | 58 | 32 | 6 | 18 | 84 |
| Pore size distribution. | |||||||||||
| % Pore Volume in Features | Total Pore Volume | ||||||||||
| Channel Diameter (Å) | Cage Diameter (Å) |
|
% of Total Volume | ||||||||
| < 4 | 4–6 | > 6 | < 6 | 6–8 | > 8 | ||||||
| 8 | – | – | 10 | 82 | – | 0.385 | 62 | ||||
| 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) | |||||||
| 2 | 4 | 6 | 8 | 2 | 4 | 6 | 8 | |
| 0.385 | – | – | – | 1443 | – | – | – | |
| Pore characterization quantities. | |
| Largest Cavity Diameter (Å) | Pore Limiting Diameter (Å) |
| 7.7 | 3.3 |
| Unit cell parameters. | ||||||||
| Space Group† | Cell Lengths (Å) | Cell Angles (deg.) | ||||||
| a | b | c | α | β | γ | |||
| 194 | 13.05 | 13.05 | 15.18 | 90.0 | 90.0 | 120.0 | ||
| † International Tables for Crystallography A (2006). | ||||||||
| Coordination sequences. | ||||||||||
| T-atom Name | Coordination Sequence (to Shell 10) | |||||||||
| T1 | 4 | 9 | 17 | 30 | 50 | 75 | 98 | 118 | 144 | 185 |
| T2 | 4 | 10 | 20 | 32 | 46 | 64 | 90 | 126 | 164 | 196 |
Citation: Baerlocher, C. and McCusker, L. Database of Zeolite Structures. http://www.iza-structure.org/databases/, 2013. Accessed on April 23, 2013. Framework Type ERI (Material: Erionite)
Note: An oxygen radius of 1 Å is used throughout.
Citing ZEOMICS
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.