Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “coordination structure”

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 901 records · Page 50

Materials Data on Zr4NiP by Materials Project

Zr4NiP is Khatyrkite-derived structured and crystallizes in the tetragonal P4/mcc space group. The structure is three-dimensional. Zr is bonded in a 4-coordinate geometry to two equivalent Ni and two equivalent P atoms. Both Zr–Ni bond lengths are 2.77 Å. Both Zr–P bond lengths are 2.78 Å. Ni is bonded in a 10-coordinate geometry to eight equivalent Zr and two equivalent Ni atoms. Both Ni–Ni bond lengths are 2.68 Å. P is bonded in a 10-coordinate geometry to eight equivalent Zr atoms.

36 MATERIALS SCIENCE↗

Materials Data on K2CuTeO7 by Materials Project

K2CuTeO7 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.77–3.17 Å. Cu is bonded in a square co-planar geometry to four O atoms. There is two shorter (1.85 Å) and two longer (1.86 Å) Cu–O bond length. Te is bonded in an octahedral geometry to six O atoms. There are a spread of Te–O bond distances ranging from 1.93–1.99 Å. There are four inequivalent O sites. In the first O site, O is bonded in a distorted L-shaped geometry to one K, one Cu, and one Te atom. In the second O site, O is bonded in a 4-coordinate geometry to two equivalent K, one Cu, and one Te atom. In the third O site, O is bonded in a distorted trigonal non-coplanar geometry to two equivalent K and one Te atom. In the fourth O site, O is bonded in a 4-coordinate geometry to four equivalent K atoms.

36 MATERIALS SCIENCE↗

Materials Data on ErZnPt by Materials Project

ErPtZn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Er is bonded in a 5-coordinate geometry to five equivalent Pt atoms. There are a spread of Er–Pt bond distances ranging from 2.89–2.96 Å. Pt is bonded in a 9-coordinate geometry to five equivalent Er and four equivalent Zn atoms. There are a spread of Pt–Zn bond distances ranging from 2.68–2.71 Å. Zn is bonded in a 4-coordinate geometry to four equivalent Pt atoms.

36 MATERIALS SCIENCE↗

Materials Data on SmInPt4 by Materials Project

SmPt4In is Cubic Laves-derived structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Sm3+ is bonded in a 12-coordinate geometry to twelve equivalent Pt1- atoms. All Sm–Pt bond lengths are 3.19 Å. Pt1- is bonded to three equivalent Sm3+, six equivalent Pt1-, and three equivalent In1+ atoms to form a mixture of edge, face, and corner-sharing PtSm3In3Pt6 cuboctahedra. There are three shorter (2.71 Å) and three longer (2.73 Å) Pt–Pt bond lengths. All Pt–In bond lengths are 3.19 Å. In1+ is bonded in a 12-coordinate geometry to twelve equivalent Pt1- atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgHg2 by Materials Project

MgHg2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Mg is bonded in a 10-coordinate geometry to ten Hg atoms. There are a spread of Mg–Hg bond distances ranging from 3.11–3.18 Å. There are two inequivalent Hg sites. In the first Hg site, Hg is bonded in a 4-coordinate geometry to four equivalent Mg atoms. In the second Hg site, Hg is bonded in a 10-coordinate geometry to six equivalent Mg atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgSb by Materials Project

MgSb crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Mg2+ is bonded in a 7-coordinate geometry to seven equivalent Sb2- atoms. There are a spread of Mg–Sb bond distances ranging from 3.01–3.21 Å. Sb2- is bonded in a 7-coordinate geometry to seven equivalent Mg2+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Rb3Na by Materials Project

Rb3Na crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Rb is bonded in a 10-coordinate geometry to eight equivalent Rb and two equivalent Na atoms. There are a spread of Rb–Rb bond distances ranging from 4.56–4.91 Å. Both Rb–Na bond lengths are 4.60 Å. Na is bonded in a 6-coordinate geometry to six equivalent Rb atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgGa by Materials Project

MgGa is beta-prime cadmium gold structured and crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Mg is bonded in a 8-coordinate geometry to eight equivalent Ga atoms. There are a spread of Mg–Ga bond distances ranging from 2.92–3.02 Å. Ga is bonded in a 8-coordinate geometry to eight equivalent Mg atoms.

36 MATERIALS SCIENCE↗

Materials Data on GaPd by Materials Project

PdGa is alpha-derived structured and crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Pd is bonded in a 7-coordinate geometry to seven equivalent Ga atoms. There are a spread of Pd–Ga bond distances ranging from 2.57–2.75 Å. Ga is bonded in a 7-coordinate geometry to seven equivalent Pd atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgIn by Materials Project

MgIn is alpha-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Mg is bonded in a 6-coordinate geometry to six equivalent In atoms. There are two shorter (3.06 Å) and four longer (3.11 Å) Mg–In bond lengths. In is bonded in a 6-coordinate geometry to six equivalent Mg atoms.

36 MATERIALS SCIENCE↗

Materials Data on PmI by Materials Project

PmI is Tungsten Carbide structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Pm is bonded in a 6-coordinate geometry to six equivalent I atoms. All Pm–I bond lengths are 3.28 Å. I is bonded in a 6-coordinate geometry to six equivalent Pm atoms.

36 MATERIALS SCIENCE↗

Materials Data on YPd by Materials Project

PdY is alpha-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Y is bonded in a 7-coordinate geometry to seven equivalent Pd atoms. There are a spread of Y–Pd bond distances ranging from 2.95–3.01 Å. Pd is bonded in a 7-coordinate geometry to seven equivalent Y atoms.

36 MATERIALS SCIENCE↗

Materials Data on Na2Lu3Te4(IO4)3 by Materials Project

Na2Lu3Te4(O4I)3 is Zircon-derived structured and crystallizes in the monoclinic P2/c space group. The structure is three-dimensional. Na1+ is bonded in a 2-coordinate geometry to four O2- and four I1- atoms. There are a spread of Na–O bond distances ranging from 2.28–2.93 Å. There are a spread of Na–I bond distances ranging from 3.32–3.42 Å. There are two inequivalent Lu3+ sites. In the first Lu3+ site, Lu3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Lu–O bond distances ranging from 2.27–2.49 Å. In the second Lu3+ site, Lu3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Lu–O bond distances ranging from 2.27–2.47 Å. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There is one shorter (1.92 Å) and two longer (1.93 Å) Te–O bond length. In the second Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.91–1.93 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded to one Na1+, two Lu3+, and one Te4+ atom to form distorted corner-sharing ONaLu2Te tetrahedra. In the second O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two equivalent Lu3+, and one Te4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two Lu3+ and one Te4+ atom. In the fourth O2- site, O2- is bonded to one Na1+, two equivalent Lu3+, and one Te4+ atom to form a mixture of edge and corner-sharing ONaLu2Te tetrahedra. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Lu3+, and one Te4+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Lu3+ and one Te4+ atom. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a 2-coordinate geometry to two equivalent Na1+ atoms. In the second I1- site, I1- is bonded in a 3-coordinate geometry to three equivalent Na1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on DyPt by Materials Project

DyPt is alpha-derived structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Dy is bonded in a 7-coordinate geometry to seven equivalent Pt atoms. There are a spread of Dy–Pt bond distances ranging from 2.87–3.03 Å. Pt is bonded in a 7-coordinate geometry to seven equivalent Dy atoms.

36 MATERIALS SCIENCE↗

Materials Data on KRb3 by Materials Project

Rb3K crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Rb is bonded in a 12-coordinate geometry to eight equivalent Rb and four equivalent K atoms. There are a spread of Rb–Rb bond distances ranging from 4.94–5.11 Å. There are two shorter (4.89 Å) and two longer (5.04 Å) Rb–K bond lengths. K is bonded in a 12-coordinate geometry to twelve equivalent Rb atoms.

36 MATERIALS SCIENCE↗

Materials Data on LiS by Materials Project

LiS crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Li1+ is bonded in a 4-coordinate geometry to four equivalent S1- atoms. All Li–S bond lengths are 2.40 Å. S1- is bonded in a 4-coordinate geometry to four equivalent Li1+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on LuZnRh by Materials Project

LuRhZn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Lu is bonded in a 5-coordinate geometry to five equivalent Rh atoms. There are two shorter (2.86 Å) and three longer (2.94 Å) Lu–Rh bond lengths. Rh is bonded in a 9-coordinate geometry to five equivalent Lu and four equivalent Zn atoms. There are a spread of Rh–Zn bond distances ranging from 2.61–2.66 Å. Zn is bonded in a 4-coordinate geometry to four equivalent Rh atoms.

36 MATERIALS SCIENCE↗

Materials Data on TaRh2 by Materials Project

TaRh2 is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ta is bonded in a 10-coordinate geometry to ten Rh atoms. There are a spread of Ta–Rh bond distances ranging from 2.65–2.87 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 5-coordinate geometry to five equivalent Ta atoms. In the second Rh site, Rh is bonded in a 5-coordinate geometry to five equivalent Ta atoms.

36 MATERIALS SCIENCE↗