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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on LuGe2 by Materials Project

LuGe2 is Zirconium Disilicide structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Lu is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.89–3.18 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 8-coordinate geometry to four equivalent Lu and four equivalent Ge atoms. All Ge–Ge bond lengths are 2.80 Å. In the second Ge site, Ge is bonded in a 4-coordinate geometry to six equivalent Lu and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.61 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Lu5Ge4 by Materials Project

Lu5Ge4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Lu sites. In the first Lu site, Lu is bonded in a 6-coordinate geometry to six Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.82–2.98 Å. In the second Lu site, Lu is bonded in a 7-coordinate geometry to seven Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.92–3.56 Å. In the third Lu site, Lu is bonded to six Ge atoms to form corner-sharing LuGe6 octahedra. The corner-sharing octahedra tilt angles range from 50–53°. There are a spread of Lu–Ge bond distances ranging from 2.88–3.02 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to eight Lu and one Ge atom. The Ge–Ge bond length is 2.75 Å. In the second Ge site, Ge is bonded in a 7-coordinate geometry to eight Lu atoms. In the third Ge site, Ge is bonded in a 9-coordinate geometry to eight Lu and one Ge atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Lu3Ge4 by Materials Project

Lu3Ge4 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Lu sites. In the first Lu site, Lu is bonded in a 8-coordinate geometry to eight Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.95–3.05 Å. In the second Lu site, Lu is bonded in a 5-coordinate geometry to seven Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.84–3.15 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Lu and three Ge atoms. There are one shorter (2.62 Å) and two longer (2.82 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 9-coordinate geometry to seven Lu and two equivalent Ge atoms. In the third Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Lu and four equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Lu5Ge3 by Materials Project

Lu5Ge3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Lu sites. In the first Lu site, Lu is bonded in a 6-coordinate geometry to six equivalent Ge atoms. All Lu–Ge bond lengths are 2.99 Å. In the second Lu site, Lu is bonded in a 5-coordinate geometry to five equivalent Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.85–3.35 Å. Ge is bonded in a 9-coordinate geometry to nine Lu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Lu11Ge10 by Materials Project

Lu11Ge10 is delta Molybdenum Boride-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are four inequivalent Lu sites. In the first Lu site, Lu is bonded to seven Ge atoms to form a mixture of distorted edge, face, and corner-sharing LuGe7 pentagonal bipyramids. There are a spread of Lu–Ge bond distances ranging from 2.82–3.25 Å. In the second Lu site, Lu is bonded in a 7-coordinate geometry to seven Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.72–3.36 Å. In the third Lu site, Lu is bonded in a 9-coordinate geometry to nine Ge atoms. There are a spread of Lu–Ge bond distances ranging from 3.16–3.58 Å. In the fourth Lu site, Lu is bonded in a 7-coordinate geometry to seven Ge atoms. There are a spread of Lu–Ge bond distances ranging from 2.84–3.02 Å. There are five inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to eight Lu atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to nine Lu atoms. In the third Ge site, Ge is bonded in a 9-coordinate geometry to seven Lu and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.60 Å. In the fourth Ge site, Ge is bonded in a 8-coordinate geometry to eight Lu atoms. In the fifth Ge site, Ge is bonded in a 9-coordinate geometry to eight Lu and one Ge atom. The Ge–Ge bond length is 2.55 Å.

36 MATERIALS SCIENCE↗