Synthesis, structures, and thermolysis of new heterometallic cobalt, nickel, and copper complexes with the [Ru(NO)(NO2) 4(OH)]2- anion as a ligand

G. A. Kostin, A. O. Borodin, N. V. Kurat'Eva, E. Yu Semitut

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Heterometallic complexes with pyridine-N-oxide (PyO), Ru(NO)(NO 2)4(OH)Ni(PyO)2(H2O)] · CH3COCH3 (I), [{Ru(NO)(NO2)2(μ- NO2)2(μ-OH)Co}2(μ-PyO)] · H 2O · CH3COCH (II), and [Ru(NO)(NO2) 4(OH)Cu(PyO)2 (III), are isolated in the reactions of Na2[Ru(NO)(NO2)4(OH)] with nitrates of the corresponding metals in the presence of the organic ligand. The compounds synthesized are characterized by IR spectra, thermal analysis, and X-ray diffraction analysis. Depending on the M2+ cation, the ruthenium cation is coordinated through the bidentate (III, Cu2+) or tridentate (I, Ni2+ and II, CO2+) mode involving the bridging OH group and one or two NO2 groups. The thermal decomposition of complex II results in the formation of a Co0.5Ru0.5 solid solution, which is thermodynamically stable under the decomposition conditions. The thermolysis of complexes I and III in a hydrogen atmosphere leads to the formation of metastable solid solutions.

Original languageEnglish
Pages (from-to)353-359
Number of pages7
JournalRussian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya
Volume39
Issue number4
DOIs
Publication statusPublished - 2013
Externally publishedYes

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Thermolysis
Cobalt
Nickel
Pyridine
Anions
Copper
Negative ions
Ligands
Oxides
Cations
Solid solutions
Positive ions
Ruthenium
Nitrates
X ray diffraction analysis
Thermoanalysis
Hydrogen
Pyrolysis
Metals
Decomposition

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

Synthesis, structures, and thermolysis of new heterometallic cobalt, nickel, and copper complexes with the [Ru(NO)(NO2) 4(OH)]2- anion as a ligand. / Kostin, G. A.; Borodin, A. O.; Kurat'Eva, N. V.; Semitut, E. Yu.

In: Russian Journal of Coordination Chemistry/Koordinatsionnaya Khimiya, Vol. 39, No. 4, 2013, p. 353-359.

Research output: Contribution to journalArticle

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abstract = "Heterometallic complexes with pyridine-N-oxide (PyO), Ru(NO)(NO 2)4(OH)Ni(PyO)2(H2O)] · CH3COCH3 (I), [{Ru(NO)(NO2)2(μ- NO2)2(μ-OH)Co}2(μ-PyO)] · H 2O · CH3COCH (II), and [Ru(NO)(NO2) 4(OH)Cu(PyO)2 (III), are isolated in the reactions of Na2[Ru(NO)(NO2)4(OH)] with nitrates of the corresponding metals in the presence of the organic ligand. The compounds synthesized are characterized by IR spectra, thermal analysis, and X-ray diffraction analysis. Depending on the M2+ cation, the ruthenium cation is coordinated through the bidentate (III, Cu2+) or tridentate (I, Ni2+ and II, CO2+) mode involving the bridging OH group and one or two NO2 groups. The thermal decomposition of complex II results in the formation of a Co0.5Ru0.5 solid solution, which is thermodynamically stable under the decomposition conditions. The thermolysis of complexes I and III in a hydrogen atmosphere leads to the formation of metastable solid solutions.",
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AU - Borodin, A. O.

AU - Kurat'Eva, N. V.

AU - Semitut, E. Yu

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