Materials Data on Na3VO4 by Materials Project
Na3VO4 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 5-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.98 Å. In the second Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Na–O bond distances ranging from 2.32–2.83 Å. In the third Na1+ site, Na1+ is bonded in a 3-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.36–3.00 Å. V5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of V–O bond distances ranging from 1.73–1.75 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to four Na1+ and one V5+ atom to form distorted edge-sharing ONa4V square pyramids. In the second O2- site, O2- is bonded in a 1-coordinate geometry to five Na1+ and one V5+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to four Na1+ and one V5+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to four Na1+ and one V5+ atom.