Materials Data on UMoO5 by Materials Project

Abstract

UMoO5 crystallizes in the orthorhombic Pcca space group. The structure is three-dimensional. U4+ is bonded to seven O2- atoms to form a mixture of edge and corner-sharing UO7 pentagonal bipyramids. There are a spread of U–O bond distances ranging from 2.07–2.43 Å. Mo6+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Mo–O bond distances ranging from 1.74–2.39 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent U4+ and one Mo6+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Mo6+ atoms. In the third O2- site, O2- is bonded in a linear geometry to two equivalent U4+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one U4+ and two equivalent Mo6+ atoms.