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DOE OSTI2020

Materials Data on Tm(BC)2 by Materials Project

Tm(BC)2 crystallizes in the tetragonal P4_2/mmc space group. The structure is three-dimensional. Tm is bonded in a 8-coordinate geometry to eight equivalent B and eight equivalent C atoms. All Tm–B bond lengths are 2.70 Å. All Tm–C bond lengths are 2.67 Å. B is bonded in a 2-coordinate geometry to four equivalent Tm and two equivalent C atoms. Both B–C bond lengths are 1.60 Å. C is bonded in a 2-coordinate geometry to four equivalent Tm, two equivalent B, and one C atom. The C–C bond length is 1.42 Å.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Tm(BC)2 by Materials Project

Tm(BC)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. Tm is bonded in a 8-coordinate geometry to eight equivalent B and eight equivalent C atoms. All Tm–B bond lengths are 2.71 Å. All Tm–C bond lengths are 2.65 Å. B is bonded in a distorted trigonal planar geometry to four equivalent Tm and three equivalent C atoms. There is one shorter (1.52 Å) and two longer (1.60 Å) B–C bond length. C is bonded in a 3-coordinate geometry to four equivalent Tm and three equivalent B atoms.

36 MATERIALS SCIENCE↗