Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “CeCu6”

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.

3 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on CeCu6(PO7)3 by Materials Project

(CeCu6(PO6)3)2(O2)3 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional and consists of two trioxirane molecules and one CeCu6(PO6)3 framework. In the CeCu6(PO6)3 framework, Ce is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Ce–O bond distances ranging from 2.39–2.53 Å. There are three inequivalent Cu sites. In the first Cu site, Cu is bonded to five O atoms to form distorted CuO5 square pyramids that share corners with three PO4 tetrahedra and edges with two equivalent CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.82–2.44 Å. In the second Cu site, Cu is bonded to five O atoms to form distorted CuO5 square pyramids that share corners with three PO4 tetrahedra and edges with two equivalent CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.82–2.42 Å. In the third Cu site, Cu is bonded to five O atoms to form distorted CuO5 square pyramids that share corners with three PO4 tetrahedra and edges with two equivalent CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.82–2.43 Å. There are three inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with six CuO5 square pyramids. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with six CuO5 square pyramids. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the third P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with six CuO5 square pyramids. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. There are fifteen inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the second O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the third O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the fourth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the fifth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the sixth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the seventh O site, O is bonded in a 1-coordinate geometry to one Ce, one Cu, and one P atom. In the eighth O site, O is bonded in a distorted single-bond geometry to one Ce, one Cu, and one P atom. In the ninth O site, O is bonded in a distorted single-bond geometry to one Ce, one Cu, and one P atom. In the tenth O site, O is bonded in a water-like geometry to two equivalent Cu atoms. In the eleventh O site, O is bonded in a water-like geometry to two equivalent Cu atoms. In the twelfth O site, O is bonded in a water-like geometry to two equivalent Cu atoms. In the thirteenth O site, O is bonded in a trigonal non-coplanar geometry to one Ce and two equivalent Cu atoms. In the fourteenth O site, O is bonded in a trigonal non-coplanar geometry to one Ce and two equivalent Cu atoms. In the fifteenth O site, O is bonded in a trigonal non-coplanar geometry to one Ce and two equivalent Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeCu6(PO7)3 by Materials Project

(CeCu6(PO6)3)2(O2)3 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional and consists of two trioxirane molecules and one CeCu6(PO6)3 framework. In the CeCu6(PO6)3 framework, Ce is bonded in a 9-coordinate geometry to nine O atoms. There are a spread of Ce–O bond distances ranging from 2.41–2.51 Å. There are three inequivalent Cu sites. In the first Cu site, Cu is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Cu–O bond distances ranging from 1.82–2.59 Å. In the second Cu site, Cu is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Cu–O bond distances ranging from 1.82–2.57 Å. In the third Cu site, Cu is bonded in a 5-coordinate geometry to five O atoms. There are a spread of Cu–O bond distances ranging from 1.82–2.56 Å. There are three inequivalent P sites. In the first P site, P is bonded in a tetrahedral geometry to four O atoms. There are a spread of P–O bond distances ranging from 1.52–1.60 Å. In the second P site, P is bonded in a tetrahedral geometry to four O atoms. There are a spread of P–O bond distances ranging from 1.51–1.60 Å. In the third P site, P is bonded in a tetrahedral geometry to four O atoms. There are a spread of P–O bond distances ranging from 1.51–1.60 Å. There are fifteen inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the second O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the third O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the fourth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the fifth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the sixth O site, O is bonded in a distorted trigonal planar geometry to two equivalent Cu and one P atom. In the seventh O site, O is bonded in a 1-coordinate geometry to one Ce, one Cu, and one P atom. In the eighth O site, O is bonded in a distorted single-bond geometry to one Ce, one Cu, and one P atom. In the ninth O site, O is bonded in a distorted single-bond geometry to one Ce, one Cu, and one P atom. In the tenth O site, O is bonded in a water-like geometry to two equivalent Cu atoms. In the eleventh O site, O is bonded in a water-like geometry to two equivalent Cu atoms. In the twelfth O site, O is bonded in a water-like geometry to two equivalent Cu atoms. In the thirteenth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Ce and two equivalent Cu atoms. In the fourteenth O site, O is bonded in a trigonal non-coplanar geometry to one Ce and two equivalent Cu atoms. In the fifteenth O site, O is bonded in a distorted trigonal non-coplanar geometry to one Ce and two equivalent Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeCu6 by Materials Project

CeCu6 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ce is bonded in a 7-coordinate geometry to nineteen Cu atoms. There are a spread of Ce–Cu bond distances ranging from 2.87–3.36 Å. There are five inequivalent Cu sites. In the first Cu site, Cu is bonded in a 12-coordinate geometry to three equivalent Ce and nine Cu atoms. There are a spread of Cu–Cu bond distances ranging from 2.44–3.00 Å. In the second Cu site, Cu is bonded to three equivalent Ce and nine Cu atoms to form a mixture of edge, face, and corner-sharing CuCe3Cu9 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.46–2.68 Å. In the third Cu site, Cu is bonded in a 2-coordinate geometry to four equivalent Ce and ten Cu atoms. There are a spread of Cu–Cu bond distances ranging from 2.50–3.06 Å. In the fourth Cu site, Cu is bonded to three equivalent Ce and nine Cu atoms to form a mixture of edge, face, and corner-sharing CuCe3Cu9 cuboctahedra. There are one shorter (2.48 Å) and one longer (2.63 Å) Cu–Cu bond lengths. In the fifth Cu site, Cu is bonded in a 3-coordinate geometry to three equivalent Ce and eight Cu atoms.

36 MATERIALS SCIENCE↗