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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.

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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on PdSe2O5 by Materials Project

PdSe2O5 crystallizes in the monoclinic C2/c space group. The structure is one-dimensional and consists of two PdSe2O5 ribbons oriented in the (0, 0, 1) direction. Pd2+ is bonded in a square co-planar geometry to four O2- atoms. All Pd–O bond lengths are 2.05 Å. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There are a spread of Se–O bond distances ranging from 1.71–1.83 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Pd2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Se4+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Pd2+ and one Se4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PdSeO3 by Materials Project

PdSeO3 crystallizes in the monoclinic P2_1/m space group. The structure is two-dimensional and consists of one PdSeO3 sheet oriented in the (0, 0, 1) direction. Pd2+ is bonded in a square co-planar geometry to four O2- atoms. All Pd–O bond lengths are 2.05 Å. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.72 Å) and one longer (1.85 Å) Se–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Pd2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a trigonal non-coplanar geometry to two equivalent Pd2+ and one Se4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PdSeO3 by Materials Project

PdSeO3 crystallizes in the monoclinic C2/m space group. The structure is two-dimensional and consists of one PdSeO3 sheet oriented in the (0, 0, 1) direction. Pd2+ is bonded in a square co-planar geometry to four O2- atoms. There are two shorter (2.04 Å) and two longer (2.05 Å) Pd–O bond lengths. Se4+ is bonded in a trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.71 Å) and one longer (1.84 Å) Se–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Pd2+ and one Se4+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Pd2+ and one Se4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PdSeO4 by Materials Project

PdSeO4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Pd4+ is bonded in a square co-planar geometry to four O2- atoms. All Pd–O bond lengths are 2.04 Å. Se4+ is bonded in a tetrahedral geometry to four O2- atoms. All Se–O bond lengths are 1.70 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Pd4+ and one Se4+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Pd4+ and one Se4+ atom.

36 MATERIALS SCIENCE↗