Results for “Sr2CeO4”

Materials Data on Sr2CeO4 by Materials Project

Sr2CeO4 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–3.09 Å. Ce4+ is bonded to six O2- atoms to form edge-sharing CeO6 octahedra. There are two shorter (2.21 Å) and four longer (2.33 Å) Ce–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to four equivalent Sr2+ and one Ce4+ atom to form a mixture of distorted edge and corner-sharing OSr4Ce trigonal bipyramids. In the second O2- site, O2- is bonded in a 5-coordinate geometry to three equivalent Sr2+ and two equivalent Ce4+ atoms.