Materials Data on U3Ga2Ge3 by Materials Project

Abstract

U3Ga2Ge3 crystallizes in the orthorhombic Fmm2 space group. The structure is three-dimensional. there are three inequivalent U sites. In the first U site, U is bonded in a 5-coordinate geometry to three U and six Ge atoms. There are two shorter (2.61 Å) and one longer (2.62 Å) U–U bond lengths. There are a spread of U–Ge bond distances ranging from 2.94–3.32 Å. In the second U site, U is bonded in a 12-coordinate geometry to two equivalent U, one Ga, and six Ge atoms. The U–Ga bond length is 2.95 Å. There are a spread of U–Ge bond distances ranging from 2.99–3.16 Å. In the third U site, U is bonded in a 8-coordinate geometry to one U, four Ga, and six Ge atoms. There are two shorter (3.09 Å) and two longer (3.35 Å) U–Ga bond lengths. There are a spread of U–Ge bond distances ranging from 2.88–3.31 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 6-coordinate geometry to two equivalent U and six Ge atoms. There are a spread of Ga–Ge bond distances ranging from 2.59–3.00 Å. In the second Ga site, Ga is bonded in a 6-coordinate geometry to three U and three Ge atoms. There are one shorter (2.59 Å) and two longer (2.61 Å) Ga–Ge bond lengths. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six U and three Ga atoms. In the second Ge site, Ge is bonded in a 10-coordinate geometry to six U and four Ga atoms. In the third Ge site, Ge is bonded in a 8-coordinate geometry to six U and two equivalent Ga atoms.