Materials Data on Pr(MoO2)6 by Materials Project

Abstract

Pr(MoO2)6 crystallizes in the tetragonal I4/m space group. The structure is three-dimensional. Pr3+ is bonded in a distorted square co-planar geometry to four equivalent O2- atoms. All Pr–O bond lengths are 2.45 Å. There are two inequivalent Mo+3.50+ sites. In the first Mo+3.50+ site, Mo+3.50+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing MoO6 octahedra. The corner-sharing octahedra tilt angles range from 49–57°. There are a spread of Mo–O bond distances ranging from 2.06–2.23 Å. In the second Mo+3.50+ site, Mo+3.50+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing MoO6 octahedra. The corner-sharing octahedra tilt angles range from 49–52°. There are a spread of Mo–O bond distances ranging from 1.95–2.23 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Pr3+ and three Mo+3.50+ atoms. In the second O2- site, O2- is bonded in a trigonal planar geometry to three Mo+3.50+ atoms. In the third O2- site, O2- is bonded in a distorted T-shaped geometry to three Mo+3.50+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to three Mo+3.50+ atoms.