Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Os”

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 433 records · Page 24
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on LaSiOs2C by Materials Project

LaOs2SiC crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. La3+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent C4- atoms. All La–C bond lengths are 2.76 Å. Os+1.50- is bonded in a 1-coordinate geometry to three equivalent Si4+ and one C4- atom. There are one shorter (2.53 Å) and two longer (2.54 Å) Os–Si bond lengths. The Os–C bond length is 1.90 Å. Si4+ is bonded in a 6-coordinate geometry to six equivalent Os+1.50- atoms. C4- is bonded to four equivalent La3+ and two equivalent Os+1.50- atoms to form a mixture of corner and edge-sharing CLa4Os2 octahedra. The corner-sharing octahedral tilt angles are 23°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Lu3Ge13Os4 by Materials Project

Lu3Os4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Lu is bonded in a 8-coordinate geometry to four equivalent Os and twelve equivalent Ge atoms. All Lu–Os bond lengths are 3.19 Å. There are eight shorter (3.16 Å) and four longer (3.23 Å) Lu–Ge bond lengths. Os is bonded in a 6-coordinate geometry to three equivalent Lu and six equivalent Ge atoms. All Os–Ge bond lengths are 2.49 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to three equivalent Lu, two equivalent Os, and one Ge atom. The Ge–Ge bond length is 3.03 Å. In the second Ge site, Ge is bonded in a cuboctahedral geometry to twelve equivalent Ge atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GdGa3Os by Materials Project

GdOsGa3 crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Gd is bonded in a 8-coordinate geometry to four equivalent Os and ten Ga atoms. All Gd–Os bond lengths are 3.23 Å. There are eight shorter (2.97 Å) and two longer (3.23 Å) Gd–Ga bond lengths. Os is bonded to four equivalent Gd and eight equivalent Ga atoms to form distorted OsGd4Ga8 cuboctahedra that share corners with four equivalent OsGd4Ga8 cuboctahedra, edges with four equivalent GaGd6 octahedra, and faces with eight equivalent OsGd4Ga8 cuboctahedra. All Os–Ga bond lengths are 2.68 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to six equivalent Gd atoms to form GaGd6 octahedra that share corners with six equivalent GaGd6 octahedra and edges with twelve equivalent OsGd4Ga8 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. In the second Ga site, Ga is bonded in a 9-coordinate geometry to three equivalent Gd, three equivalent Os, and three equivalent Ga atoms. All Ga–Ga bond lengths are 2.72 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd(BOs)2 by Materials Project

Nd(OsB)2 crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Nd3+ is bonded in a 4-coordinate geometry to four equivalent Os+1.50- atoms. All Nd–Os bond lengths are 3.05 Å. Os+1.50- is bonded in a 4-coordinate geometry to two equivalent Nd3+ and four equivalent B atoms. There are two shorter (2.10 Å) and two longer (2.18 Å) Os–B bond lengths. B is bonded to four equivalent Os+1.50- atoms to form a mixture of distorted edge and corner-sharing BOs4 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TaVOs2 by Materials Project

TaVOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two TaVOs2 ribbons oriented in the (1, 0, 0) direction. Ta is bonded in a linear geometry to two equivalent Os atoms. Both Ta–Os bond lengths are 2.31 Å. V is bonded in a linear geometry to two equivalent Os atoms. Both V–Os bond lengths are 2.35 Å. Os is bonded in a linear geometry to one Ta and one V atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PrSiOs2C by Materials Project

PrOs2SiC crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Pr3+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent C4- atoms. All Pr–C bond lengths are 2.75 Å. Os+1.50- is bonded in a 1-coordinate geometry to three equivalent Si4+ and one C4- atom. All Os–Si bond lengths are 2.52 Å. The Os–C bond length is 1.90 Å. Si4+ is bonded in a 6-coordinate geometry to six equivalent Os+1.50- atoms. C4- is bonded to four equivalent Pr3+ and two equivalent Os+1.50- atoms to form a mixture of edge and corner-sharing CPr4Os2 octahedra. The corner-sharing octahedral tilt angles are 23°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho2MgOs by Materials Project

MgHo2Os is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a distorted body-centered cubic geometry to eight equivalent Ho and six equivalent Os atoms. All Mg–Ho bond lengths are 3.05 Å. All Mg–Os bond lengths are 3.52 Å. Ho is bonded in a distorted body-centered cubic geometry to four equivalent Mg and four equivalent Os atoms. All Ho–Os bond lengths are 3.05 Å. Os is bonded in a body-centered cubic geometry to six equivalent Mg and eight equivalent Ho atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfTaOs2 by Materials Project

HfTaOs2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfTaOs2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Os atoms. Both Hf–Os bond lengths are 2.43 Å. Ta is bonded in a linear geometry to two equivalent Os atoms. Both Ta–Os bond lengths are 2.30 Å. Os is bonded in a linear geometry to one Hf and one Ta atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Gd3Ge13Os4 by Materials Project

Gd3Os4Ge13 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. Gd is bonded in a 8-coordinate geometry to four equivalent Os and twelve equivalent Ge atoms. All Gd–Os bond lengths are 3.21 Å. There are eight shorter (3.18 Å) and four longer (3.25 Å) Gd–Ge bond lengths. Os is bonded in a 6-coordinate geometry to three equivalent Gd and six equivalent Ge atoms. All Os–Ge bond lengths are 2.51 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 2-coordinate geometry to three equivalent Gd, two equivalent Os, and two Ge atoms. There are one shorter (2.66 Å) and one longer (3.06 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↗
DOE OSTI2020

Materials Data on Na3Os by Materials Project

Na3Os is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Na sites. In the first Na site, Na is bonded to four equivalent Na and four equivalent Os atoms to form a mixture of distorted corner, edge, and face-sharing NaNa4Os4 tetrahedra. All Na–Na bond lengths are 3.12 Å. All Na–Os bond lengths are 3.12 Å. In the second Na site, Na is bonded in a 8-coordinate geometry to eight equivalent Na and six equivalent Os atoms. All Na–Os bond lengths are 3.60 Å. Os is bonded in a distorted body-centered cubic geometry to fourteen Na atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TbSiOs2C by Materials Project

TbOs2SiC crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tb3+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent C4- atoms. All Tb–C bond lengths are 2.69 Å. Os+1.50- is bonded in a 4-coordinate geometry to three equivalent Si4+ and one C4- atom. There are one shorter (2.48 Å) and two longer (2.49 Å) Os–Si bond lengths. The Os–C bond length is 1.89 Å. Si4+ is bonded in a 6-coordinate geometry to six equivalent Os+1.50- atoms. C4- is bonded to four equivalent Tb3+ and two equivalent Os+1.50- atoms to form a mixture of edge and corner-sharing CTb4Os2 octahedra. The corner-sharing octahedral tilt angles are 22°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Gd(BOs)2 by Materials Project

Gd(OsB)2 crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Gd3+ is bonded in a 4-coordinate geometry to four equivalent Os+1.50- atoms. All Gd–Os bond lengths are 3.02 Å. Os+1.50- is bonded in a 4-coordinate geometry to two equivalent Gd3+ and four equivalent B atoms. There are two shorter (2.08 Å) and two longer (2.18 Å) Os–B bond lengths. B is bonded in a 4-coordinate geometry to four equivalent Os+1.50- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmSiOs2C by Materials Project

TmOs2SiC crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tm3+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent C4- atoms. All Tm–C bond lengths are 2.66 Å. Os+1.50- is bonded in a 4-coordinate geometry to three equivalent Si4+ and one C4- atom. All Os–Si bond lengths are 2.47 Å. The Os–C bond length is 1.88 Å. Si4+ is bonded in a 6-coordinate geometry to six equivalent Os+1.50- atoms. C4- is bonded to four equivalent Tm3+ and two equivalent Os+1.50- atoms to form a mixture of edge and corner-sharing CTm4Os2 octahedra. The corner-sharing octahedral tilt angles are 22°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ErSiOs2C by Materials Project

ErOs2SiC crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Er3+ is bonded in a distorted rectangular see-saw-like geometry to four equivalent C4- atoms. All Er–C bond lengths are 2.67 Å. Os+1.50- is bonded in a 4-coordinate geometry to three equivalent Si4+ and one C4- atom. There are two shorter (2.47 Å) and one longer (2.48 Å) Os–Si bond lengths. The Os–C bond length is 1.88 Å. Si4+ is bonded in a 6-coordinate geometry to six equivalent Os+1.50- atoms. C4- is bonded to four equivalent Er3+ and two equivalent Os+1.50- atoms to form a mixture of edge and corner-sharing CEr4Os2 octahedra. The corner-sharing octahedral tilt angles are 22°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LaAl2BOs2 by Materials Project

LaOs2Al2B crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. La is bonded in a distorted linear geometry to two equivalent B atoms. Both La–B bond lengths are 2.83 Å. Os is bonded to four equivalent Al and two equivalent B atoms to form a mixture of corner, edge, and face-sharing OsAl4B2 octahedra. The corner-sharing octahedral tilt angles are 0°. All Os–Al bond lengths are 2.58 Å. Both Os–B bond lengths are 2.12 Å. Al is bonded in a 4-coordinate geometry to four equivalent Os atoms. B is bonded to two equivalent La and four equivalent Os atoms to form corner-sharing BLa2Os4 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca3Os by Materials Project

Ca3Os is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Ca sites. In the first Ca site, Ca is bonded to four equivalent Ca and four equivalent Os atoms to form a mixture of distorted corner, edge, and face-sharing CaCa4Os4 tetrahedra. All Ca–Ca bond lengths are 3.19 Å. All Ca–Os bond lengths are 3.19 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to eight equivalent Ca and six equivalent Os atoms. All Ca–Os bond lengths are 3.69 Å. Os is bonded in a distorted body-centered cubic geometry to fourteen Ca atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AlCrOs2 by Materials Project

CrOs2Al crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two CrOs2Al ribbons oriented in the (1, 0, 0) direction. Cr is bonded in a linear geometry to two equivalent Os atoms. Both Cr–Os bond lengths are 2.12 Å. Os is bonded in a linear geometry to one Cr and one Al atom. The Os–Al bond length is 2.42 Å. Al is bonded in a linear geometry to two equivalent Os atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hf2MnOs by Materials Project

Hf2MnOs is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to four equivalent Mn and four equivalent Os atoms. All Hf–Mn bond lengths are 2.78 Å. All Hf–Os bond lengths are 2.78 Å. Mn is bonded in a distorted body-centered cubic geometry to eight equivalent Hf and six equivalent Os atoms. All Mn–Os bond lengths are 3.21 Å. Os is bonded in a body-centered cubic geometry to eight equivalent Hf and six equivalent Mn atoms.

36 MATERIALS SCIENCE↗