Materials Data on TmSb3 by Materials Project
TmSb3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Tm3+ is bonded to twelve equivalent Sb1- atoms to form a mixture of face and corner-sharing TmSb12 cuboctahedra. There are six shorter (3.25 Å) and six longer (3.44 Å) Tm–Sb bond lengths. Sb1- is bonded in a 4-coordinate geometry to four equivalent Tm3+ atoms.
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