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Materials Data on Tm(BIr)4 by Materials Project

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.

36 MATERIALS SCIENCE↗

Materials Data on TmB2Ir3 by Materials Project

TmIr3B2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Tm is bonded in a 12-coordinate geometry to two equivalent Tm, twelve equivalent Ir, and six equivalent B atoms. Both Tm–Tm bond lengths are 3.14 Å. All Tm–Ir bond lengths are 3.15 Å. All Tm–B bond lengths are 3.15 Å. Ir is bonded in a distorted square co-planar geometry to four equivalent Tm and four equivalent B atoms. All Ir–B bond lengths are 2.22 Å. B is bonded in a 6-coordinate geometry to three equivalent Tm and six equivalent Ir atoms.

36 MATERIALS SCIENCE↗