Neptunium(III) copper(I) diselenide

Daniel M. Wells; S. Skanthakumar; L. Soderholm; James A. Ibers

doi:10.1107/S160053680900395X

Neptunium(III) copper(I) diselenide

Daniel M. Wells, S. Skanthakumar, L. Soderholm, James A. Ibers

Chemistry

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8 Scopus citations

Abstract

The title compound, NpCuSe2, is the first ternary neptunium transition-metal chalcogenide. It was synthesized from the elements at 873 K in an evacuated fused-silica tube. Single crystals were grown by vapor transport with I2. NpCuSe2 crystallizes in the LaCuS2 structure type and can be viewed as a stacking of layers of CuSe4 tetra-hedra and of double layers of NpSe7 monocapped trigonal prisms along [100]. Because there are no Se - Se bonds in the structure, the formal oxidation states of Np/Cu/Se may be assigned as +III/+I/-II, respectively.

Original language	English (US)
Pages (from-to)	i14
Journal	Acta Crystallographica Section E: Structure Reports Online
Volume	65
Issue number	3
DOIs	https://doi.org/10.1107/S160053680900395X
State	Published - 2009

ASJC Scopus subject areas

Condensed Matter Physics
General Chemistry
General Materials Science

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abstract = "The title compound, NpCuSe2, is the first ternary neptunium transition-metal chalcogenide. It was synthesized from the elements at 873 K in an evacuated fused-silica tube. Single crystals were grown by vapor transport with I2. NpCuSe2 crystallizes in the LaCuS2 structure type and can be viewed as a stacking of layers of CuSe4 tetra-hedra and of double layers of NpSe7 monocapped trigonal prisms along [100]. Because there are no Se - Se bonds in the structure, the formal oxidation states of Np/Cu/Se may be assigned as +III/+I/-II, respectively.",

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T1 - Neptunium(III) copper(I) diselenide

AU - Wells, Daniel M.

AU - Skanthakumar, S.

AU - Soderholm, L.

AU - Ibers, James A.

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Y1 - 2009

N2 - The title compound, NpCuSe2, is the first ternary neptunium transition-metal chalcogenide. It was synthesized from the elements at 873 K in an evacuated fused-silica tube. Single crystals were grown by vapor transport with I2. NpCuSe2 crystallizes in the LaCuS2 structure type and can be viewed as a stacking of layers of CuSe4 tetra-hedra and of double layers of NpSe7 monocapped trigonal prisms along [100]. Because there are no Se - Se bonds in the structure, the formal oxidation states of Np/Cu/Se may be assigned as +III/+I/-II, respectively.

AB - The title compound, NpCuSe2, is the first ternary neptunium transition-metal chalcogenide. It was synthesized from the elements at 873 K in an evacuated fused-silica tube. Single crystals were grown by vapor transport with I2. NpCuSe2 crystallizes in the LaCuS2 structure type and can be viewed as a stacking of layers of CuSe4 tetra-hedra and of double layers of NpSe7 monocapped trigonal prisms along [100]. Because there are no Se - Se bonds in the structure, the formal oxidation states of Np/Cu/Se may be assigned as +III/+I/-II, respectively.

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Neptunium(III) copper(I) diselenide

Abstract

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