Synthesis and structure of the [(UO2)S4]6- anion: A cation-stabilized uranyl sulfide

Matthew D. Ward; Jordan M. Klingsporn; James A. Ibers

doi:10.1021/ic401382g

Synthesis and structure of the [(UO₂)S₄]^6- anion: A cation-stabilized uranyl sulfide

Matthew D. Ward, Jordan M. Klingsporn, James A. Ibers^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The new uranyl sulfide anion [(UO₂)S₄]^6- has been synthesized and characterized as a cation-stabilized anion in the compound Na₂Ba₂(UO₂)S₄. This compound was synthesized at 873 K from the solid-state reaction of uranium, Na₂O₂, BaS, and sulfur. The coordination about the U ⁶⁺ center in [(UO₂)S₄]^6- is square bipyramidal with the uranyl O atoms 180 apart and four equatorial S atoms. The Na⁺ and Ba²⁺ cations form interactions with the uranyl O atoms. Despite the inherent difficulties involved in the synthesis of complex uranium oxysulfides, it is demonstrated that under the right reaction conditions the UO₂²⁺ species can be produced in situ and result in totally new chalcogen derivatives.

Original language	English (US)
Pages (from-to)	10220-10222
Number of pages	3
Journal	Inorganic chemistry
Volume	52
Issue number	18
DOIs	https://doi.org/10.1021/ic401382g
State	Published - Sep 16 2013

ASJC Scopus subject areas

Inorganic Chemistry
Physical and Theoretical Chemistry

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10.1021/ic401382g

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title = "Synthesis and structure of the [(UO2)S4]6- anion: A cation-stabilized uranyl sulfide",

abstract = "The new uranyl sulfide anion [(UO2)S4]6- has been synthesized and characterized as a cation-stabilized anion in the compound Na2Ba2(UO2)S4. This compound was synthesized at 873 K from the solid-state reaction of uranium, Na2O2, BaS, and sulfur. The coordination about the U 6+ center in [(UO2)S4]6- is square bipyramidal with the uranyl O atoms 180 apart and four equatorial S atoms. The Na+ and Ba2+ cations form interactions with the uranyl O atoms. Despite the inherent difficulties involved in the synthesis of complex uranium oxysulfides, it is demonstrated that under the right reaction conditions the UO22+ species can be produced in situ and result in totally new chalcogen derivatives.",

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T1 - Synthesis and structure of the [(UO2)S4]6- anion

T2 - A cation-stabilized uranyl sulfide

AU - Ward, Matthew D.

AU - Klingsporn, Jordan M.

AU - Ibers, James A.

PY - 2013/9/16

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N2 - The new uranyl sulfide anion [(UO2)S4]6- has been synthesized and characterized as a cation-stabilized anion in the compound Na2Ba2(UO2)S4. This compound was synthesized at 873 K from the solid-state reaction of uranium, Na2O2, BaS, and sulfur. The coordination about the U 6+ center in [(UO2)S4]6- is square bipyramidal with the uranyl O atoms 180 apart and four equatorial S atoms. The Na+ and Ba2+ cations form interactions with the uranyl O atoms. Despite the inherent difficulties involved in the synthesis of complex uranium oxysulfides, it is demonstrated that under the right reaction conditions the UO22+ species can be produced in situ and result in totally new chalcogen derivatives.

AB - The new uranyl sulfide anion [(UO2)S4]6- has been synthesized and characterized as a cation-stabilized anion in the compound Na2Ba2(UO2)S4. This compound was synthesized at 873 K from the solid-state reaction of uranium, Na2O2, BaS, and sulfur. The coordination about the U 6+ center in [(UO2)S4]6- is square bipyramidal with the uranyl O atoms 180 apart and four equatorial S atoms. The Na+ and Ba2+ cations form interactions with the uranyl O atoms. Despite the inherent difficulties involved in the synthesis of complex uranium oxysulfides, it is demonstrated that under the right reaction conditions the UO22+ species can be produced in situ and result in totally new chalcogen derivatives.

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Synthesis and structure of the [(UO₂)S₄]^6- anion: A cation-stabilized uranyl sulfide

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CSD 973136: Experimental Crystal Structure Determination

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Synthesis and structure of the [(UO2)S4]6- anion: A cation-stabilized uranyl sulfide

Abstract

ASJC Scopus subject areas

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CSD 973136: Experimental Crystal Structure Determination

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Synthesis and structure of the [(UO₂)S₄]^6- anion: A cation-stabilized uranyl sulfide