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8 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Nd5Ge3 by Materials Project

Nd5Ge3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Nd sites. In the first Nd site, Nd is bonded in a 3-coordinate geometry to five equivalent Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.04–3.61 Å. In the second Nd site, Nd is bonded in a 6-coordinate geometry to six equivalent Ge atoms. All Nd–Ge bond lengths are 3.20 Å. Ge is bonded in a 9-coordinate geometry to nine Nd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd5Ge3 by Materials Project

Nd5Ge3 crystallizes in the hexagonal P6_3/mcm space group. The structure is three-dimensional. there are two inequivalent Nd sites. In the first Nd site, Nd is bonded in a 5-coordinate geometry to five equivalent Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.03–3.34 Å. In the second Nd site, Nd is bonded in a distorted trigonal planar geometry to three equivalent Ge atoms. All Nd–Ge bond lengths are 3.04 Å. Ge is bonded to seven Nd atoms to form a mixture of distorted edge and corner-sharing GeNd7 hexagonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd5Ge4 by Materials Project

Nd5Ge4 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are three inequivalent Nd sites. In the first Nd site, Nd is bonded in a 6-coordinate geometry to six Ge atoms. There are a spread of Nd–Ge bond distances ranging from 2.97–3.23 Å. In the second Nd site, Nd is bonded in a 7-coordinate geometry to seven Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.07–3.78 Å. In the third Nd site, Nd is bonded to six Ge atoms to form corner-sharing NdGe6 octahedra. The corner-sharing octahedra tilt angles range from 54–56°. There are a spread of Nd–Ge bond distances ranging from 3.10–3.28 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to eight Nd and one Ge atom. The Ge–Ge bond length is 2.72 Å. In the second Ge site, Ge is bonded in a 7-coordinate geometry to eight Nd atoms. In the third Ge site, Ge is bonded in a 9-coordinate geometry to eight Nd and one Ge atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd3Ge5 by Materials Project

Nd3Ge5 crystallizes in the orthorhombic Fdd2 space group. The structure is three-dimensional. there are two inequivalent Nd sites. In the first Nd site, Nd is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.06–3.49 Å. In the second Nd site, Nd is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.08–3.47 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Nd and three Ge atoms. There are a spread of Ge–Ge bond distances ranging from 2.57–2.64 Å. In the second Ge site, Ge is bonded in a 8-coordinate geometry to six Nd and two equivalent Ge atoms. In the third Ge site, Ge is bonded in a 8-coordinate geometry to six Nd and two equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NdGe2 by Materials Project

NdGe2 is hexagonal omega structure-like structured and crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Nd is bonded to twelve equivalent Ge atoms to form a mixture of face and edge-sharing NdGe12 cuboctahedra. There are eight shorter (3.28 Å) and four longer (3.36 Å) Nd–Ge bond lengths. Ge is bonded in a 9-coordinate geometry to six equivalent Nd and three equivalent Ge atoms. There are two shorter (2.51 Å) and one longer (2.56 Å) Ge–Ge bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd4Ge7 by Materials Project

Nd4Ge7 crystallizes in the orthorhombic C222_1 space group. The structure is three-dimensional. there are three inequivalent Nd sites. In the first Nd site, Nd is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.07–3.29 Å. In the second Nd site, Nd is bonded in a 10-coordinate geometry to ten Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.10–3.36 Å. In the third Nd site, Nd is bonded in a 9-coordinate geometry to nine Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.08–3.35 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 8-coordinate geometry to six Nd and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.61 Å. In the second Ge site, Ge is bonded in a 4-coordinate geometry to four Nd and two Ge atoms. There are one shorter (2.61 Å) and one longer (2.75 Å) Ge–Ge bond lengths. In the third Ge site, Ge is bonded in a 9-coordinate geometry to six Nd and three Ge atoms. The Ge–Ge bond length is 2.63 Å. In the fourth Ge site, Ge is bonded in a 9-coordinate geometry to six Nd and three Ge atoms. The Ge–Ge bond length is 2.50 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NdGe by Materials Project

NdGe crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Nd is bonded in a 5-coordinate geometry to seven equivalent Ge atoms. There are a spread of Nd–Ge bond distances ranging from 3.10–3.32 Å. Ge is bonded in a 9-coordinate geometry to seven equivalent Nd and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.72 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NdGe3 by Materials Project

NdGe3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Nd is bonded to twelve equivalent Ge atoms to form a mixture of face and corner-sharing NdGe12 cuboctahedra. All Nd–Ge bond lengths are 3.11 Å. Ge is bonded in a square co-planar geometry to four equivalent Nd atoms.

36 MATERIALS SCIENCE↗