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Materials Data on LaMgAg2 by Materials Project

MgLaAg2 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 Ag atoms. All Mg–Ag bond lengths are 3.15 Å. La is bonded in a body-centered cubic geometry to eight equivalent Ag atoms. All La–Ag bond lengths are 3.15 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent La atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaMg2Ag by Materials Project

Mg2LaAg 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 four equivalent La and four equivalent Ag atoms. All Mg–La bond lengths are 3.15 Å. All Mg–Ag bond lengths are 3.15 Å. La is bonded in a distorted body-centered cubic geometry to eight equivalent Mg and six equivalent Ag atoms. All La–Ag bond lengths are 3.64 Å. Ag is bonded in a distorted body-centered cubic geometry to eight equivalent Mg and six equivalent La atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaMgAg by Materials Project

LaAgMg crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Mg is bonded in a 4-coordinate geometry to four Ag atoms. There are two shorter (2.90 Å) and two longer (3.08 Å) Mg–Ag bond lengths. La is bonded in a 5-coordinate geometry to five Ag atoms. There are four shorter (3.24 Å) and one longer (3.28 Å) La–Ag bond lengths. There are two inequivalent Ag sites. In the first Ag site, Ag is bonded in a 9-coordinate geometry to six equivalent Mg and three equivalent La atoms. In the second Ag site, Ag is bonded in a 9-coordinate geometry to three equivalent Mg and six equivalent La atoms.

36 MATERIALS SCIENCE↗