Materials Data on TmB2 by Materials Project
TmB2 is hexagonal omega structure structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Tm is bonded to twelve equivalent B atoms to form a mixture of face and edge-sharing TmB12 cuboctahedra. All Tm–B bond lengths are 2.66 Å. B is bonded in a 9-coordinate geometry to six equivalent Tm and three equivalent B atoms. All B–B bond lengths are 1.88 Å.
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