Materials Data on UCd(MoO4)4 by Materials Project
UCd(MoO4)4 crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. U6+ is bonded to seven O2- atoms to form distorted UO7 pentagonal bipyramids that share corners with two equivalent CdO7 pentagonal bipyramids. There are a spread of U–O bond distances ranging from 1.84–2.41 Å. There are two inequivalent Mo6+ sites. In the first Mo6+ site, Mo6+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Mo–O bond distances ranging from 1.75–2.41 Å. In the second Mo6+ site, Mo6+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Mo–O bond distances ranging from 1.75–2.41 Å. Cd2+ is bonded to seven O2- atoms to form CdO7 pentagonal bipyramids that share corners with two equivalent UO7 pentagonal bipyramids. There are a spread of Cd–O bond distances ranging from 2.31–2.46 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Mo6+ and one Cd2+ atom. In the second O2- site, O2- is bonded in a linear geometry to one U6+ and one Cd2+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two Mo6+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one U6+ and two Mo6+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to one U6+ and two equivalent Mo6+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mo6+ and one Cd2+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two Mo6+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Mo6+ and one Cd2+ atom. In the ninth O2- site, O2- is bonded in a bent 150 degrees geometry to one U6+ and one Mo6+ atom.