Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ir”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

At least 937 records · Page 52
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on DyGeIr by Materials Project

DyIrGe crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Dy is bonded in a 11-coordinate geometry to six equivalent Ir and five equivalent Ge atoms. There are a spread of Dy–Ir bond distances ranging from 3.05–3.32 Å. There are two shorter (3.00 Å) and three longer (3.04 Å) Dy–Ge bond lengths. Ir is bonded in a 10-coordinate geometry to six equivalent Dy 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 Dy and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeSiIr by Materials Project

CeIrSi crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Ce is bonded in a 8-coordinate geometry to four equivalent Ir and four equivalent Si atoms. There are three shorter (3.03 Å) and one longer (3.42 Å) Ce–Ir bond lengths. All Ce–Si bond lengths are 3.21 Å. Ir is bonded in a 3-coordinate geometry to four equivalent Ce and three equivalent Si atoms. All Ir–Si bond lengths are 2.34 Å. Si is bonded in a 3-coordinate geometry to four equivalent Ce and three equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MnSiIr by Materials Project

MnIrSi crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Mn is bonded in a 11-coordinate geometry to six equivalent Ir and five equivalent Si atoms. There are a spread of Mn–Ir bond distances ranging from 2.80–2.94 Å. There are a spread of Mn–Si bond distances ranging from 2.63–2.69 Å. Ir is bonded in a 4-coordinate geometry to six equivalent Mn and four equivalent Si atoms. There are a spread of Ir–Si bond distances ranging from 2.36–2.44 Å. Si is bonded in a 9-coordinate geometry to five equivalent Mn and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmIn2Ir by Materials Project

SmIrIn2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Sm is bonded in a 3-coordinate geometry to three equivalent Ir and ten equivalent In atoms. There are one shorter (3.00 Å) and two longer (3.08 Å) Sm–Ir bond lengths. There are a spread of Sm–In bond distances ranging from 3.35–3.51 Å. Ir is bonded in a 9-coordinate geometry to three equivalent Sm and six equivalent In atoms. There are two shorter (2.81 Å) and four longer (2.83 Å) Ir–In bond lengths. In is bonded in a 3-coordinate geometry to five equivalent Sm and three equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiSn4Ir by Materials Project

LiIrSn4 is Khatyrkite-derived structured and crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Li is bonded in a q6 geometry to two equivalent Ir and eight equivalent Sn atoms. Both Li–Ir bond lengths are 2.88 Å. All Li–Sn bond lengths are 2.96 Å. Ir is bonded in a distorted q6 geometry to two equivalent Li and eight equivalent Sn atoms. All Ir–Sn bond lengths are 2.84 Å. Sn is bonded in a 2-coordinate geometry to two equivalent Li and two equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LaIn2Ir by Materials Project

LaIrIn2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. La is bonded in a 1-coordinate geometry to three equivalent Ir and ten equivalent In atoms. There are one shorter (2.92 Å) and two longer (3.18 Å) La–Ir bond lengths. There are a spread of La–In bond distances ranging from 3.38–3.55 Å. Ir is bonded in a 9-coordinate geometry to three equivalent La and six equivalent In atoms. All Ir–In bond lengths are 2.85 Å. In is bonded in a 3-coordinate geometry to five equivalent La, three equivalent Ir, and four equivalent In atoms. There are a spread of In–In bond distances ranging from 3.17–3.25 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoSiIr by Materials Project

HoIrSi crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ho is bonded in a 11-coordinate geometry to six equivalent Ir and five equivalent Si atoms. There are a spread of Ho–Ir bond distances ranging from 2.99–3.28 Å. There are a spread of Ho–Si bond distances ranging from 2.94–3.00 Å. Ir is bonded in a 10-coordinate geometry to six equivalent Ho and four equivalent Si atoms. There are a spread of Ir–Si bond distances ranging from 2.48–2.58 Å. Si is bonded in a 9-coordinate geometry to five equivalent Ho and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LuSiIr by Materials Project

LuIrSi crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Lu is bonded in a 11-coordinate geometry to six equivalent Ir and five equivalent Si atoms. There are a spread of Lu–Ir bond distances ranging from 2.98–3.20 Å. There are a spread of Lu–Si bond distances ranging from 2.89–2.96 Å. Ir is bonded in a 10-coordinate geometry to six equivalent Lu and four equivalent Si atoms. There are a spread of Ir–Si bond distances ranging from 2.48–2.55 Å. Si is bonded in a 9-coordinate geometry to five equivalent Lu and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn3GeIr by Materials Project

Mn3IrGe crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Mn is bonded in a 12-coordinate geometry to six equivalent Mn, three equivalent Ir, and three equivalent Ge atoms. There are a spread of Mn–Mn bond distances ranging from 2.76–2.79 Å. There are a spread of Mn–Ir bond distances ranging from 2.68–2.82 Å. There are a spread of Mn–Ge bond distances ranging from 2.64–2.84 Å. Ir is bonded to nine equivalent Mn and three equivalent Ge atoms to form IrMn9Ge3 cuboctahedra that share corners with six equivalent IrMn9Ge3 cuboctahedra, corners with nine equivalent GeMn9Ir3 cuboctahedra, faces with four equivalent GeMn9Ir3 cuboctahedra, and faces with six equivalent IrMn9Ge3 cuboctahedra. All Ir–Ge bond lengths are 2.48 Å. Ge is bonded to nine equivalent Mn and three equivalent Ir atoms to form GeMn9Ir3 cuboctahedra that share corners with six equivalent GeMn9Ir3 cuboctahedra, corners with nine equivalent IrMn9Ge3 cuboctahedra, faces with four equivalent IrMn9Ge3 cuboctahedra, and faces with six equivalent GeMn9Ir3 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on EuSn2Ir by Materials Project

EuIrSn2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Eu is bonded in a 1-coordinate geometry to three equivalent Ir and ten equivalent Sn atoms. There are one shorter (3.13 Å) and two longer (3.34 Å) Eu–Ir bond lengths. There are four shorter (3.31 Å) and six longer (3.60 Å) Eu–Sn bond lengths. Ir is bonded in a 9-coordinate geometry to three equivalent Eu and six equivalent Sn atoms. There are two shorter (2.77 Å) and four longer (2.78 Å) Ir–Sn bond lengths. Sn is bonded in a 12-coordinate geometry to five equivalent Eu and three 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 BaIn2Ir by Materials Project

BaIrIn2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Ba is bonded in a 1-coordinate geometry to three equivalent Ir and ten equivalent In atoms. There are one shorter (3.24 Å) and two longer (3.48 Å) Ba–Ir bond lengths. There are a spread of Ba–In bond distances ranging from 3.60–3.77 Å. Ir is bonded in a 9-coordinate geometry to three equivalent Ba and six equivalent In atoms. There are four shorter (2.82 Å) and two longer (2.85 Å) Ir–In bond lengths. In is bonded in a 3-coordinate geometry to five equivalent Ba, three equivalent Ir, and three equivalent In atoms. There are two shorter (3.14 Å) and one longer (3.19 Å) In–In bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn(BIr)2 by Materials Project

Zn(IrB)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ir is bonded in a 8-coordinate geometry to four equivalent Zn and four equivalent B atoms. All Ir–Zn bond lengths are 2.67 Å. All Ir–B bond lengths are 2.16 Å. Zn is bonded in a body-centered cubic geometry to eight equivalent Ir atoms. B is bonded in a 8-coordinate geometry to four equivalent Ir and four equivalent B atoms. All B–B bond lengths are 2.12 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mg3Ir by Materials Project

Mg3Ir is Sodium arsenide structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Mg sites. In the first Mg site, Mg is bonded in a trigonal planar geometry to three equivalent Ir atoms. All Mg–Ir bond lengths are 2.64 Å. In the second Mg site, Mg is bonded in a 1-coordinate geometry to four equivalent Ir atoms. There are one shorter (2.72 Å) and three longer (3.00 Å) Mg–Ir bond lengths. Ir is bonded in a 5-coordinate geometry to eleven Mg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn11Ir2 by Materials Project

Ir2Zn11 crystallizes in the cubic I-43m space group. The structure is three-dimensional. Ir is bonded in a distorted q6 geometry to twelve Zn atoms. There are a spread of Ir–Zn bond distances ranging from 2.61–2.80 Å. There are three inequivalent Zn sites. In the first Zn site, Zn is bonded in a distorted bent 150 degrees geometry to two equivalent Ir and five Zn atoms. There are a spread of Zn–Zn bond distances ranging from 2.66–3.02 Å. In the second Zn site, Zn is bonded in a 2-coordinate geometry to two equivalent Ir and eleven Zn atoms. There are one shorter (2.62 Å) and two longer (2.68 Å) Zn–Zn bond lengths. In the third Zn site, Zn is bonded in a 3-coordinate geometry to three equivalent Ir and nine Zn atoms. All Zn–Zn bond lengths are 2.72 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YB2Ir3 by Materials Project

YIr3B2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Y is bonded in a 12-coordinate geometry to two equivalent Y, twelve equivalent Ir, and six equivalent B atoms. Both Y–Y bond lengths are 3.15 Å. All Y–Ir bond lengths are 3.16 Å. All Y–B bond lengths are 3.16 Å. Ir is bonded in a distorted square co-planar geometry to four equivalent Y and four equivalent B atoms. All Ir–B bond lengths are 2.23 Å. B is bonded in a 6-coordinate geometry to three equivalent Y and six equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiIn2Ir by Materials Project

LiIrIn2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Li is bonded in a distorted body-centered cubic geometry to six equivalent Ir and eight equivalent In atoms. All Li–Ir bond lengths are 3.27 Å. All Li–In bond lengths are 2.83 Å. Ir is bonded in a distorted body-centered cubic geometry to six equivalent Li and eight equivalent In atoms. All Ir–In bond lengths are 2.83 Å. In is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiBIr by Materials Project

LiIrB crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Li is bonded in a 2-coordinate geometry to two equivalent Ir and four equivalent B atoms. Both Li–Ir bond lengths are 2.59 Å. There are two shorter (2.39 Å) and two longer (2.71 Å) Li–B bond lengths. Ir is bonded in a 6-coordinate geometry to two equivalent Li and four equivalent B atoms. There are two shorter (2.09 Å) and two longer (2.15 Å) Ir–B bond lengths. B is bonded in a 8-coordinate geometry to four equivalent Li and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗