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DOE OSTI2020

Materials Data on LaMgHg2 by Materials Project

MgLaHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Mg–Hg bond lengths are 3.23 Å. La is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All La–Hg bond lengths are 3.23 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent La atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on La2MgHg by Materials Project

MgLa2Hg crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two MgLa2Hg ribbons oriented in the (0, 1, 0) direction. Mg is bonded in a linear geometry to two equivalent La atoms. Both Mg–La bond lengths are 3.28 Å. La is bonded in a linear geometry to one Mg and one Hg atom. The La–Hg bond length is 3.10 Å. Hg is bonded in a linear geometry to two equivalent La atoms.

36 MATERIALS SCIENCE↗