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Materials Data on La5Er5Ge6 by Materials Project

Er5La5Ge6 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent Er sites. In the first Er site, Er is bonded in a 6-coordinate geometry to six Ge atoms. There are a spread of Er–Ge bond distances ranging from 3.12–3.23 Å. In the second Er site, Er is bonded in a 3-coordinate geometry to five Ge atoms. There are a spread of Er–Ge bond distances ranging from 2.96–3.50 Å. There are three inequivalent La sites. In the first La site, La is bonded in a 5-coordinate geometry to five Ge atoms. There are a spread of La–Ge bond distances ranging from 3.05–3.51 Å. In the second La site, La is bonded in a 5-coordinate geometry to five Ge atoms. There are a spread of La–Ge bond distances ranging from 3.03–3.52 Å. In the third La site, La is bonded in a 5-coordinate geometry to five Ge atoms. There are a spread of La–Ge bond distances ranging from 3.03–3.49 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to five Er and four La atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to five Er and four La atoms. In the third Ge site, Ge is bonded in a 9-coordinate geometry to six Er and three La atoms. In the fourth Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Er and five La atoms.

36 MATERIALS SCIENCE↗

Materials Data on La2(ErGe)3 by Materials Project

La2(ErGe)3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. Er is bonded in a 5-coordinate geometry to five equivalent Ge atoms. There are a spread of Er–Ge bond distances ranging from 2.92–3.51 Å. La is bonded to six equivalent Ge atoms to form a mixture of distorted corner, edge, and face-sharing LaGe6 octahedra. The corner-sharing octahedral tilt angles are 37°. All La–Ge bond lengths are 3.17 Å. Ge is bonded in a 9-coordinate geometry to five equivalent Er and four equivalent La atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaEr4Ge3 by Materials Project

Er4LaGe3 crystallizes in the trigonal P-31m space group. The structure is three-dimensional. there are two inequivalent Er sites. In the first Er site, Er is bonded in a 6-coordinate geometry to six equivalent Ge atoms. All Er–Ge bond lengths are 3.04 Å. In the second Er site, Er is bonded in a 5-coordinate geometry to five equivalent Ge atoms. There are a spread of Er–Ge bond distances ranging from 2.91–3.62 Å. La is bonded in a 6-coordinate geometry to six equivalent Ge atoms. All La–Ge bond lengths are 3.15 Å. Ge is bonded in a 9-coordinate geometry to seven Er and two equivalent La atoms.

36 MATERIALS SCIENCE↗