Structure of the UO22+-SO42- Ion Pair in Aqueous Solution

J. Neuefeind; S. Skanthakumar; L. Soderholm

doi:10.1021/ic035177j

Structure of the UO₂²⁺-SO₄^2- Ion Pair in Aqueous Solution

J. Neuefeind
, S. Skanthakumar
, L. Soderholm

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

47 Scopus citations

Abstract

The structure of the ion pairs formed in aqueous uranyl sulfate solutions has been investigated with high-energy X-ray scattering. Sulfate binds to the uranyl as a monodentate ligand in equimolar solutions. The geometry of the ion pair is very similar to configurations found in crystalline structures; in particular, the U-O-S angle is bent in solution as well as in the solid state. It can therefore be concluded that an U-O-S angle of 143° is an intrinsic property of the uranyl sulfate bond and not due to packing effects or interaction with the water in the primary solvation shell.

Original language	English
Pages (from-to)	2422-2426
Number of pages	5
Journal	Inorganic Chemistry
Volume	43
Issue number	7
DOIs	https://doi.org/10.1021/ic035177j
State	Published - Apr 5 2004
Externally published	Yes

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title = "Structure of the UO22+-SO42- Ion Pair in Aqueous Solution",

abstract = "The structure of the ion pairs formed in aqueous uranyl sulfate solutions has been investigated with high-energy X-ray scattering. Sulfate binds to the uranyl as a monodentate ligand in equimolar solutions. The geometry of the ion pair is very similar to configurations found in crystalline structures; in particular, the U-O-S angle is bent in solution as well as in the solid state. It can therefore be concluded that an U-O-S angle of 143° is an intrinsic property of the uranyl sulfate bond and not due to packing effects or interaction with the water in the primary solvation shell.",

author = "J. Neuefeind and S. Skanthakumar and L. Soderholm",

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T1 - Structure of the UO22+-SO42- Ion Pair in Aqueous Solution

AU - Neuefeind, J.

AU - Skanthakumar, S.

AU - Soderholm, L.

PY - 2004/4/5

Y1 - 2004/4/5

N2 - The structure of the ion pairs formed in aqueous uranyl sulfate solutions has been investigated with high-energy X-ray scattering. Sulfate binds to the uranyl as a monodentate ligand in equimolar solutions. The geometry of the ion pair is very similar to configurations found in crystalline structures; in particular, the U-O-S angle is bent in solution as well as in the solid state. It can therefore be concluded that an U-O-S angle of 143° is an intrinsic property of the uranyl sulfate bond and not due to packing effects or interaction with the water in the primary solvation shell.

AB - The structure of the ion pairs formed in aqueous uranyl sulfate solutions has been investigated with high-energy X-ray scattering. Sulfate binds to the uranyl as a monodentate ligand in equimolar solutions. The geometry of the ion pair is very similar to configurations found in crystalline structures; in particular, the U-O-S angle is bent in solution as well as in the solid state. It can therefore be concluded that an U-O-S angle of 143° is an intrinsic property of the uranyl sulfate bond and not due to packing effects or interaction with the water in the primary solvation shell.

UR - https://www.scopus.com/pages/publications/1842458522

U2 - 10.1021/ic035177j

DO - 10.1021/ic035177j

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JO - Inorganic Chemistry

JF - Inorganic Chemistry

IS - 7

ER -

Structure of the UO₂²⁺-SO₄^2- Ion Pair in Aqueous Solution

Abstract

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