Synthesis and characterization of a binuclear rhenium nitropyrazole complex [Re2O3Cl2(PPh3)2(C 3H2N3O2)2]

Kevin P. Maresca; David J. Rose; Jon Zubieta

doi:10.1016/S0020-1693(96)05537-5

Synthesis and characterization of a binuclear rhenium nitropyrazole complex [Re₂O₃Cl₂(PPh₃)₂(C ₃H₂N₃O₂)₂]

Kevin P. Maresca, David J. Rose, Jon Zubieta

Department of Chemistry

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

28 Scopus citations

Abstract

The binuclear nitropyrazole compound [Re₂O₃Cl₂(PPh₃)₂(C ₃H₂N₃O₂)₂] (3) was synthesized by refluxing [ReOCl₂(OEt) (PPh₃)₂] and 2-nitropyrazole in ethanol for 12 h. The octahedral {ReO₂N₂ClP} sites are linked by two bridging nitropyrazoles and an oxo group, with an Re-O-Re angle of 124.7(6)^o. Compound 3 is electrochemically active, displaying a reversible one electron reduction at - 0.55 V with respect to Ag/Ag⁺. Crystal data: C₃₆H₃₄Cl₂N₆O₇P ₂Re₂ (3), monoclinic C2/c, a = 32.569(7), b = 9.624(2), c = 29.151(6) Å, β = 109.33(3)^o, V = 8622(3) Å³, Z = 8, D_calc = 1.799 g cm^-3, structure solution and refinement based on 3364 reflections converged at R = 0.056.

Original language	English (US)
Pages (from-to)	83-88
Number of pages	6
Journal	Inorganica Chimica Acta
Volume	260
Issue number	1
DOIs	https://doi.org/10.1016/S0020-1693(96)05537-5
State	Published - Jul 15 1997

Keywords

Binuclear complexes
Crystal structures
Nitropyrazole complexes
Rhenium complexes

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Inorganic Chemistry
Materials Chemistry

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@article{d5a196b2a22945c7abc6476d0df32188,

title = "Synthesis and characterization of a binuclear rhenium nitropyrazole complex [Re2O3Cl2(PPh3)2(C 3H2N3O2)2]",

abstract = "The binuclear nitropyrazole compound [Re2O3Cl2(PPh3)2(C 3H2N3O2)2] (3) was synthesized by refluxing [ReOCl2(OEt) (PPh3)2] and 2-nitropyrazole in ethanol for 12 h. The octahedral {ReO2N2ClP} sites are linked by two bridging nitropyrazoles and an oxo group, with an Re-O-Re angle of 124.7(6)o. Compound 3 is electrochemically active, displaying a reversible one electron reduction at - 0.55 V with respect to Ag/Ag+. Crystal data: C36H34Cl2N6O7P 2Re2 (3), monoclinic C2/c, a = 32.569(7), b = 9.624(2), c = 29.151(6) {\AA}, β = 109.33(3)o, V = 8622(3) {\AA}3, Z = 8, Dcalc = 1.799 g cm-3, structure solution and refinement based on 3364 reflections converged at R = 0.056.",

keywords = "Binuclear complexes, Crystal structures, Nitropyrazole complexes, Rhenium complexes",

author = "Maresca, {Kevin P.} and Rose, {David J.} and Jon Zubieta",

year = "1997",

month = jul,

day = "15",

doi = "10.1016/S0020-1693(96)05537-5",

language = "English (US)",

volume = "260",

pages = "83--88",

journal = "Inorganica Chimica Acta",

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TY - JOUR

T1 - Synthesis and characterization of a binuclear rhenium nitropyrazole complex [Re2O3Cl2(PPh3)2(C 3H2N3O2)2]

AU - Maresca, Kevin P.

AU - Rose, David J.

AU - Zubieta, Jon

PY - 1997/7/15

Y1 - 1997/7/15

N2 - The binuclear nitropyrazole compound [Re2O3Cl2(PPh3)2(C 3H2N3O2)2] (3) was synthesized by refluxing [ReOCl2(OEt) (PPh3)2] and 2-nitropyrazole in ethanol for 12 h. The octahedral {ReO2N2ClP} sites are linked by two bridging nitropyrazoles and an oxo group, with an Re-O-Re angle of 124.7(6)o. Compound 3 is electrochemically active, displaying a reversible one electron reduction at - 0.55 V with respect to Ag/Ag+. Crystal data: C36H34Cl2N6O7P 2Re2 (3), monoclinic C2/c, a = 32.569(7), b = 9.624(2), c = 29.151(6) Å, β = 109.33(3)o, V = 8622(3) Å3, Z = 8, Dcalc = 1.799 g cm-3, structure solution and refinement based on 3364 reflections converged at R = 0.056.

AB - The binuclear nitropyrazole compound [Re2O3Cl2(PPh3)2(C 3H2N3O2)2] (3) was synthesized by refluxing [ReOCl2(OEt) (PPh3)2] and 2-nitropyrazole in ethanol for 12 h. The octahedral {ReO2N2ClP} sites are linked by two bridging nitropyrazoles and an oxo group, with an Re-O-Re angle of 124.7(6)o. Compound 3 is electrochemically active, displaying a reversible one electron reduction at - 0.55 V with respect to Ag/Ag+. Crystal data: C36H34Cl2N6O7P 2Re2 (3), monoclinic C2/c, a = 32.569(7), b = 9.624(2), c = 29.151(6) Å, β = 109.33(3)o, V = 8622(3) Å3, Z = 8, Dcalc = 1.799 g cm-3, structure solution and refinement based on 3364 reflections converged at R = 0.056.

KW - Binuclear complexes

KW - Crystal structures

KW - Nitropyrazole complexes

KW - Rhenium complexes

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