Materials Data on Tm6GaCo2 by Materials Project

Abstract

Tm6Co2Ga crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Tm sites. In the first Tm site, Tm is bonded in a 4-coordinate geometry to two Co and two Ga atoms. There are one shorter (2.76 Å) and one longer (3.16 Å) Tm–Co bond lengths. There are one shorter (2.97 Å) and one longer (3.20 Å) Tm–Ga bond lengths. In the second Tm site, Tm is bonded in a 5-coordinate geometry to three Co and two Ga atoms. There are two shorter (2.87 Å) and one longer (3.10 Å) Tm–Co bond lengths. There are one shorter (3.11 Å) and one longer (3.57 Å) Tm–Ga bond lengths. In the third Tm site, Tm is bonded in a 4-coordinate geometry to three Co and one Ga atom. There are one shorter (2.69 Å) and two longer (2.81 Å) Tm–Co bond lengths. The Tm–Ga bond length is 3.31 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded in a 9-coordinate geometry to eight Tm and one Co atom. The Co–Co bond length is 2.23 Å. In the second Co site, Co is bonded in a 9-coordinate geometry to eight Tm and one Co atom. The Co–Co bond length is 2.54 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a body-centered cubic geometry to eight Tm atoms. In the second Ga site, Ga is bonded in a cuboctahedral geometry to twelve Tm atoms.