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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Nd2Ge2Ir by Materials Project

Nd2IrGe2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Nd sites. In the first Nd site, Nd is bonded in a 9-coordinate geometry to three equivalent Ir and six Ge atoms. There are two shorter (3.16 Å) and one longer (3.32 Å) Nd–Ir bond lengths. There are a spread of Nd–Ge bond distances ranging from 2.91–3.51 Å. In the second Nd site, Nd is bonded in a 3-coordinate geometry to one Ir and five equivalent Ge atoms. The Nd–Ir bond length is 2.96 Å. There are a spread of Nd–Ge bond distances ranging from 3.11–3.60 Å. Ir is bonded in a 8-coordinate geometry to four Nd and four Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.51–2.55 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 10-coordinate geometry to eight Nd and two equivalent Ir atoms. In the second Ge site, Ge is bonded in a 6-coordinate geometry to three equivalent Nd, two equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.59 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NdGe2Ir by Materials Project

NdIrGe2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Nd sites. In the first Nd site, Nd is bonded in a 8-coordinate geometry to six equivalent Ir and nine Ge atoms. There are two shorter (3.28 Å) and four longer (3.31 Å) Nd–Ir bond lengths. There are a spread of Nd–Ge bond distances ranging from 3.03–3.50 Å. In the second Nd site, Nd is bonded in a 8-coordinate geometry to four equivalent Ir and ten Ge atoms. All Nd–Ir bond lengths are 3.25 Å. There are a spread of Nd–Ge bond distances ranging from 3.33–3.46 Å. Ir is bonded in a 10-coordinate geometry to five Nd and five Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.49–2.68 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Nd, two equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.53 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to five Nd and two equivalent Ir atoms. In the third Ge site, Ge is bonded in a 8-coordinate geometry to four Nd, three equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.78 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NdGeIr by Materials Project

NdIrGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Nd is bonded in a 12-coordinate geometry to six equivalent Ir and six equivalent Ge atoms. There are a spread of Nd–Ir bond distances ranging from 3.01–3.33 Å. There are a spread of Nd–Ge bond distances ranging from 3.12–3.24 Å. Ir is bonded in a 10-coordinate geometry to six equivalent Nd and four equivalent Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.60–2.72 Å. Ge is bonded in a 10-coordinate geometry to six equivalent Nd and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗