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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on LaHg2 by Materials Project

LaHg2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. La is bonded to twelve equivalent Hg atoms to form a mixture of distorted edge and face-sharing LaHg12 cuboctahedra. There are a spread of La–Hg bond distances ranging from 3.43–3.48 Å. Hg is bonded in a 9-coordinate geometry to six equivalent La and three equivalent Hg atoms. There are one shorter (2.94 Å) and two longer (2.96 Å) Hg–Hg bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LaHg2 by Materials Project

LaHg2 crystallizes in the trigonal P-3m1 space group. The structure is three-dimensional. La is bonded to twelve equivalent Hg atoms to form a mixture of distorted edge and face-sharing LaHg12 cuboctahedra. There are six shorter (3.42 Å) and six longer (3.49 Å) La–Hg bond lengths. Hg is bonded in a 9-coordinate geometry to six equivalent La and three equivalent Hg atoms. All Hg–Hg bond lengths are 2.98 Å.

36 MATERIALS SCIENCE↗