This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionNa3Ir3O8.png
English: Crystal structure of sodium iridate Na3Ir3O8. Cyan spheres show the Ir sublattice forming a hyperkagome structure. Red spheres are oxygen atoms. Coordination polyhedra are the two Na sites (Na1 and Na2).
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
Crystal structure of sodium iridate '''Na{{sub|3}}Ir{{sub|3}}O{{sub|8}}'''. Cyan spheres show the Ir sublattice forming a hyperkagome structure. Red spheres are oxygen atoms. Polyhedra indicate the two Na sites. Generated using CrystalMaker®