Materials Data on Tm(BIr)4 by Materials Project

Abstract

Tm(IrB)4 crystallizes in the tetragonal P4_2/nmc space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to twelve equivalent Ir and twelve equivalent B atoms. There are four shorter (2.96 Å) and eight longer (3.21 Å) Tm–Ir bond lengths. There are eight shorter (3.07 Å) and four longer (3.13 Å) Tm–B bond lengths. Ir is bonded in a 5-coordinate geometry to three equivalent Tm and five equivalent B atoms. There are a spread of Ir–B bond distances ranging from 2.22–2.26 Å. B is bonded in a 6-coordinate geometry to three equivalent Tm, five equivalent Ir, and one B atom. The B–B bond length is 1.86 Å.