SEARCH · Engineering Papers
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.
PdSn is Modderite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Pd is bonded in a 6-coordinate geometry to six equivalent Sn atoms. There are a spread of Pd–Sn bond distances ranging from 2.70–2.85 Å. Sn is bonded in a 6-coordinate geometry to six equivalent Pd atoms.
OsGe2 is Magnesium tetraboride-like structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Os is bonded in a 8-coordinate geometry to eight Ge atoms. There are a spread of Os–Ge bond distances ranging from 2.53–2.73 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 4-coordinate geometry to three equivalent Os and three equivalent Ge atoms. There are one shorter (2.41 Å) and two longer (2.72 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 5-coordinate geometry to five equivalent Os atoms.
IrTe crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ir is bonded in a 6-coordinate geometry to two equivalent Ir and six equivalent Te atoms. Both Ir–Ir bond lengths are 2.83 Å. All Ir–Te bond lengths are 2.76 Å. Te is bonded in a 6-coordinate geometry to six equivalent Ir atoms.
NbSn2 is Khatyrkite-like structured and crystallizes in the orthorhombic Fddd space group. The structure is three-dimensional. Nb is bonded in a 10-coordinate geometry to two equivalent Nb and eight Sn atoms. Both Nb–Nb bond lengths are 2.87 Å. There are a spread of Nb–Sn bond distances ranging from 2.89–2.99 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 4-coordinate geometry to four equivalent Nb atoms. In the second Sn site, Sn is bonded in a 7-coordinate geometry to four equivalent Nb atoms.
Pt2Si3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Pt2- is bonded in a 8-coordinate geometry to seven Si+1.33+ atoms. There are a spread of Pt–Si bond distances ranging from 2.44–2.65 Å. There are two inequivalent Si+1.33+ sites. In the first Si+1.33+ site, Si+1.33+ is bonded to four equivalent Pt2- atoms to form a mixture of corner and edge-sharing SiPt4 tetrahedra. In the second Si+1.33+ site, Si+1.33+ is bonded in a 6-coordinate geometry to six equivalent Pt2- atoms.
FeTe crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Fe2+ is bonded in a 6-coordinate geometry to six equivalent Te2- atoms. All Fe–Te bond lengths are 2.69 Å. Te2- is bonded in a 6-coordinate geometry to six equivalent Fe2+ atoms.
NiGe is Modderite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ni is bonded in a 6-coordinate geometry to six equivalent Ge atoms. There are a spread of Ni–Ge bond distances ranging from 2.35–2.52 Å. Ge is bonded in a 6-coordinate geometry to six equivalent Ni atoms.
WP2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. W6+ is bonded in a 8-coordinate geometry to eight P3- atoms. There are a spread of W–P bond distances ranging from 2.48–2.65 Å. There are two inequivalent P3- sites. In the first P3- site, P3- is bonded in a 4-coordinate geometry to three equivalent W6+ and three equivalent P3- atoms. There are one shorter (2.20 Å) and two longer (2.65 Å) P–P bond lengths. In the second P3- site, P3- is bonded in a 5-coordinate geometry to five equivalent W6+ atoms.
GdPd crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Gd is bonded in a 7-coordinate geometry to seven equivalent Pd atoms. There are a spread of Gd–Pd bond distances ranging from 2.97–3.06 Å. Pd is bonded in a 7-coordinate geometry to seven equivalent Gd atoms.
GdPt crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Gd is bonded in a 7-coordinate geometry to seven equivalent Pt atoms. There are a spread of Gd–Pt bond distances ranging from 2.92–3.10 Å. Pt is bonded in a 7-coordinate geometry to seven equivalent Gd atoms.
NbRh is beta-prime cadmium gold structured and crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Nb is bonded in a 12-coordinate geometry to eight equivalent Rh atoms. There are a spread of Nb–Rh bond distances ranging from 2.77–2.88 Å. Rh is bonded in a 12-coordinate geometry to eight equivalent Nb atoms.
Zr2N2S crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Zr4+ is bonded in a 4-coordinate geometry to four equivalent N3- and three equivalent S2- atoms. There are three shorter (2.15 Å) and one longer (2.21 Å) Zr–N bond lengths. All Zr–S bond lengths are 2.84 Å. N3- is bonded to four equivalent Zr4+ atoms to form a mixture of distorted edge and corner-sharing NZr4 tetrahedra. S2- is bonded in a 6-coordinate geometry to six equivalent Zr4+ atoms.
Zr2Fe crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Zr is bonded in a 4-coordinate geometry to four equivalent Fe atoms. All Zr–Fe bond lengths are 2.72 Å. Fe is bonded in a 10-coordinate geometry to eight equivalent Zr atoms.
Hf3N4 crystallizes in the cubic I-43d space group. The structure is three-dimensional. Hf4+ is bonded in a 8-coordinate geometry to eight equivalent N3- atoms. There are four shorter (2.21 Å) and four longer (2.45 Å) Hf–N bond lengths. N3- is bonded in a 6-coordinate geometry to six equivalent Hf4+ atoms.
TaSb2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ta5+ is bonded in a 8-coordinate geometry to eight Sb+2.50- atoms. There are a spread of Ta–Sb bond distances ranging from 2.87–3.01 Å. There are two inequivalent Sb+2.50- sites. In the first Sb+2.50- site, Sb+2.50- is bonded in a 3-coordinate geometry to three equivalent Ta5+ and three equivalent Sb+2.50- atoms. There are one shorter (2.82 Å) and two longer (3.07 Å) Sb–Sb bond lengths. In the second Sb+2.50- site, Sb+2.50- is bonded in a 5-coordinate geometry to five equivalent Ta5+ atoms.
LiPt crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Li is bonded in a 12-coordinate geometry to six equivalent Pt atoms. All Li–Pt bond lengths are 2.66 Å. Pt is bonded in a 12-coordinate geometry to six equivalent Li atoms.
PrPt crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Pr is bonded in a 7-coordinate geometry to seven equivalent Pt atoms. There are a spread of Pr–Pt bond distances ranging from 3.02–3.17 Å. Pt is bonded in a 7-coordinate geometry to seven equivalent Pr atoms.
Zr3Pd4 is delta Molybdenum Boride-like structured and crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Zr is bonded in a 9-coordinate geometry to nine Pd atoms. There are a spread of Zr–Pd bond distances ranging from 2.73–3.09 Å. There are three inequivalent Pd sites. In the first Pd site, Pd is bonded in a 8-coordinate geometry to six equivalent Zr atoms. In the second Pd site, Pd is bonded in a 6-coordinate geometry to six equivalent Zr atoms. In the third Pd site, Pd is bonded in a 7-coordinate geometry to seven equivalent Zr atoms.