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8 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on TbGe2Ir by Materials Project

TbIrGe2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Tb sites. In the first Tb site, Tb is bonded in a 8-coordinate geometry to six equivalent Ir and nine Ge atoms. There are four shorter (3.25 Å) and two longer (3.28 Å) Tb–Ir bond lengths. There are a spread of Tb–Ge bond distances ranging from 2.96–3.51 Å. In the second Tb site, Tb is bonded in a 8-coordinate geometry to four equivalent Ir and ten Ge atoms. All Tb–Ir bond lengths are 3.19 Å. There are a spread of Tb–Ge bond distances ranging from 3.27–3.42 Å. Ir is bonded in a 10-coordinate geometry to five Tb and five Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.48–2.64 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 8-coordinate geometry to four Tb, three equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.74 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to six Tb, two equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.49 Å. In the third Ge site, Ge is bonded in a 2-coordinate geometry to five Tb and two equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TbGeIr by Materials Project

TbIrGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tb is bonded in a 11-coordinate geometry to six equivalent Ir and five equivalent Ge atoms. There are a spread of Tb–Ir bond distances ranging from 3.05–3.34 Å. There are two shorter (3.02 Å) and three longer (3.06 Å) Tb–Ge bond lengths. Ir is bonded in a 10-coordinate geometry to six equivalent Tb and four equivalent Ge atoms. There are three shorter (2.57 Å) and one longer (2.63 Å) Ir–Ge bond lengths. Ge is bonded in a 9-coordinate geometry to five equivalent Tb and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb5(Ge5Ir2)2 by Materials Project

Tb5(Ir2Ge5)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Tb sites. In the first Tb site, Tb is bonded in a 8-coordinate geometry to four equivalent Ir and twelve Ge atoms. All Tb–Ir bond lengths are 3.22 Å. There are eight shorter (3.00 Å) and four longer (3.37 Å) Tb–Ge bond lengths. In the second Tb site, Tb is bonded to four equivalent Ir and eight Ge atoms to form face-sharing TbGe8Ir4 cuboctahedra. All Tb–Ir bond lengths are 3.14 Å. There are a spread of Tb–Ge bond distances ranging from 2.96–3.09 Å. In the third Tb site, Tb is bonded in a 8-coordinate geometry to four equivalent Ir and ten Ge atoms. All Tb–Ir bond lengths are 3.35 Å. There are eight shorter (3.30 Å) and two longer (3.37 Å) Tb–Ge bond lengths. Ir is bonded in a 10-coordinate geometry to five Tb and five Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.48–2.57 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Tb, two equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.46 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to five Tb, two equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.53 Å. In the third Ge site, Ge is bonded in a 8-coordinate geometry to four Tb, two equivalent Ir, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.91 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb2Ge5Ir3 by Materials Project

Tb2Ir3Ge5 crystallizes in the orthorhombic Ibam space group. The structure is three-dimensional. Tb is bonded in a 1-coordinate geometry to seven Ir and ten Ge atoms. There are a spread of Tb–Ir bond distances ranging from 3.13–3.54 Å. There are a spread of Tb–Ge bond distances ranging from 2.98–3.36 Å. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a 6-coordinate geometry to four equivalent Tb and six Ge atoms. There are four shorter (2.54 Å) and two longer (2.66 Å) Ir–Ge bond lengths. In the second Ir site, Ir is bonded in a 10-coordinate geometry to five equivalent Tb and five Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.39–2.53 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 8-coordinate geometry to four equivalent Tb and four equivalent Ir atoms. In the second Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Tb, three Ir, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.68 Å. In the third Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Tb, three Ir, and two equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb(GeIr)2 by Materials Project

Tb(IrGe)2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight Ir and eight Ge atoms. There are four shorter (3.20 Å) and four longer (3.36 Å) Tb–Ir bond lengths. There are four shorter (3.24 Å) and four longer (3.26 Å) Tb–Ge bond lengths. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a 4-coordinate geometry to four equivalent Tb and four equivalent Ge atoms. All Ir–Ge bond lengths are 2.50 Å. In the second Ir site, Ir is bonded in a 9-coordinate geometry to four equivalent Tb and five Ge atoms. There are one shorter (2.42 Å) and four longer (2.50 Å) Ir–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Tb and four equivalent Ir atoms. In the second Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Tb and five Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb4Ge6Ir7 by Materials Project

Tb4Ir7Ge6 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Tb is bonded to six equivalent Ir and six equivalent Ge atoms to form TbGe6Ir6 cuboctahedra that share corners with twelve equivalent TbGe6Ir6 cuboctahedra, faces with six equivalent TbGe6Ir6 cuboctahedra, and faces with two equivalent IrGe6 octahedra. All Tb–Ir bond lengths are 2.98 Å. All Tb–Ge bond lengths are 3.03 Å. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded to six equivalent Ge atoms to form IrGe6 octahedra that share faces with eight equivalent TbGe6Ir6 cuboctahedra. All Ir–Ge bond lengths are 2.68 Å. In the second Ir site, Ir is bonded in a 12-coordinate geometry to four equivalent Tb and four equivalent Ge atoms. All Ir–Ge bond lengths are 2.60 Å. Ge is bonded in a 9-coordinate geometry to four equivalent Tb and five Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3Ge3Ir2 by Materials Project

Tb3Ir2Ge3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Tb sites. In the first Tb site, Tb is bonded in a 11-coordinate geometry to four equivalent Ir and seven Ge atoms. There are a spread of Tb–Ir bond distances ranging from 3.00–3.29 Å. There are a spread of Tb–Ge bond distances ranging from 3.03–3.28 Å. In the second Tb site, Tb is bonded in a 9-coordinate geometry to four equivalent Ir and five Ge atoms. All Tb–Ir bond lengths are 3.10 Å. There are a spread of Tb–Ge bond distances ranging from 3.03–3.14 Å. Ir is bonded in a 10-coordinate geometry to six Tb and four Ge atoms. There are a spread of Ir–Ge bond distances ranging from 2.50–2.70 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 10-coordinate geometry to six Tb, three equivalent Ir, and one Ge atom. The Ge–Ge bond length is 2.79 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to seven Tb and two equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb3Ge13Ir4 by Materials Project

Tb3Ir4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to four equivalent Ir and twelve equivalent Ge atoms. All Tb–Ir bond lengths are 3.20 Å. There are eight shorter (3.14 Å) and four longer (3.25 Å) Tb–Ge bond lengths. Ir is bonded in a 9-coordinate geometry to three equivalent Tb and six equivalent Ge atoms. All Ir–Ge bond lengths are 2.51 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 6-coordinate geometry to three equivalent Tb, two equivalent Ir, and two Ge atoms. There are one shorter (2.65 Å) and one longer (3.09 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a cuboctahedral geometry to twelve equivalent Ge atoms.

36 MATERIALS SCIENCE↗