The Synthesis and Characterization of the Tri-rhenium(VI) Capped Wells-Dawson Polyoxometalate, [{(C4H9)4N)5(C2H5)3NH}{Re3P2W15O62}]

Alexander M. Khenkin; Gregory Leitus; Lev Weiner; Ronny Neumann

doi:10.1007/s10876-013-0629-5

The Synthesis and Characterization of the Tri-rhenium(VI) Capped Wells-Dawson Polyoxometalate, [{(C₄H₉)₄N)₅(C₂H₅)₃NH}{Re₃P₂W₁₅O₆₂}]

Alexander M. Khenkin, Gregory Leitus, Lev Weiner, Ronny Neumann

Weizmann Institute of Science, Israel

Research output: Contribution to journal › Article

1 Citation (Scopus)

Abstract

The tri-rhenium(VI) capped Wells-Dawson polyoxometalate, [Re₃P₂W₁₅O₆₂]^6- with quaternary ammonium cations was synthesized by reacting the trivacant lacunary species, [P₂W₁₅O₅₆]^12- with [ReOCl₃(PPh₃)₂] in an organic solvent. Elemental analysis by thermogravimetry and inductively coupled plasma mass spectroctrometry confirmed the substitution of three rhenium atoms, single-crystal X-ray diffraction as well as infra red spectroscopy showed the complete Wells-Dawson structure. The presence of all three rhenium atoms in one cap is indicated by ³¹P nuclear magnetic resonance spectroscopy and the electron spin resonance spectrum shows that the tri-rhenium(V) species with three unpaired electrons is low spin, S = 1/2.

Original language	English
Pages (from-to)	687-693
Number of pages	7
Journal	Journal of Cluster Science
Volume	25
Issue number	3
DOIs	https://doi.org/10.1007/s10876-013-0629-5
Publication status	Published - May 2014

Keywords

Polyoxometalate
Rhenium
Tungsten
Wells-Dawson structure

ASJC Scopus subject areas

Biochemistry
Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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Khenkin, A. M., Leitus, G., Weiner, L., & Neumann, R. (2014). The Synthesis and Characterization of the Tri-rhenium(VI) Capped Wells-Dawson Polyoxometalate, [{(C₄H₉)₄N)₅(C₂H₅)₃NH}{Re₃P₂W₁₅O₆₂}]. Journal of Cluster Science, 25(3), 687-693. https://doi.org/10.1007/s10876-013-0629-5

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title = "The Synthesis and Characterization of the Tri-rhenium(VI) Capped Wells-Dawson Polyoxometalate, [{(C4H9)4N)5(C2H5)3NH}{Re3P2W15O62}]",

abstract = "The tri-rhenium(VI) capped Wells-Dawson polyoxometalate, [Re3P2W15O62]6- with quaternary ammonium cations was synthesized by reacting the trivacant lacunary species, [P2W15O56]12- with [ReOCl3(PPh3)2] in an organic solvent. Elemental analysis by thermogravimetry and inductively coupled plasma mass spectroctrometry confirmed the substitution of three rhenium atoms, single-crystal X-ray diffraction as well as infra red spectroscopy showed the complete Wells-Dawson structure. The presence of all three rhenium atoms in one cap is indicated by 31P nuclear magnetic resonance spectroscopy and the electron spin resonance spectrum shows that the tri-rhenium(V) species with three unpaired electrons is low spin, S = 1/2.",

keywords = "Polyoxometalate, Rhenium, Tungsten, Wells-Dawson structure",

author = "Khenkin, {Alexander M.} and Gregory Leitus and Lev Weiner and Ronny Neumann",

year = "2014",

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T1 - The Synthesis and Characterization of the Tri-rhenium(VI) Capped Wells-Dawson Polyoxometalate, [{(C4H9)4N)5(C2H5)3NH}{Re3P2W15O62}]

AU - Khenkin, Alexander M.

AU - Leitus, Gregory

AU - Weiner, Lev

AU - Neumann, Ronny

PY - 2014/5

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N2 - The tri-rhenium(VI) capped Wells-Dawson polyoxometalate, [Re3P2W15O62]6- with quaternary ammonium cations was synthesized by reacting the trivacant lacunary species, [P2W15O56]12- with [ReOCl3(PPh3)2] in an organic solvent. Elemental analysis by thermogravimetry and inductively coupled plasma mass spectroctrometry confirmed the substitution of three rhenium atoms, single-crystal X-ray diffraction as well as infra red spectroscopy showed the complete Wells-Dawson structure. The presence of all three rhenium atoms in one cap is indicated by 31P nuclear magnetic resonance spectroscopy and the electron spin resonance spectrum shows that the tri-rhenium(V) species with three unpaired electrons is low spin, S = 1/2.

AB - The tri-rhenium(VI) capped Wells-Dawson polyoxometalate, [Re3P2W15O62]6- with quaternary ammonium cations was synthesized by reacting the trivacant lacunary species, [P2W15O56]12- with [ReOCl3(PPh3)2] in an organic solvent. Elemental analysis by thermogravimetry and inductively coupled plasma mass spectroctrometry confirmed the substitution of three rhenium atoms, single-crystal X-ray diffraction as well as infra red spectroscopy showed the complete Wells-Dawson structure. The presence of all three rhenium atoms in one cap is indicated by 31P nuclear magnetic resonance spectroscopy and the electron spin resonance spectrum shows that the tri-rhenium(V) species with three unpaired electrons is low spin, S = 1/2.

KW - Polyoxometalate

KW - Rhenium

KW - Tungsten

KW - Wells-Dawson structure

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