Materials Data on AcBr3 by Materials Project
AcBr3 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. Ac3+ is bonded in a 9-coordinate geometry to nine equivalent Br1- atoms. There are six shorter (3.21 Å) and three longer (3.26 Å) Ac–Br bond lengths. Br1- is bonded in a trigonal non-coplanar geometry to three equivalent Ac3+ atoms.
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