Triammine fac and mer Coordination for Ruthenium–Nitrosyl Complexes: Synthesis and Characterization of [RuNO(NH3)3Cl2]Cl

Vasily Vorobyev, Vyacheslav A. Emelyanov, Olga A. Plusnina, Edgar M. Makarov, Iraida A. Baidina, Anton I. Smolentsev, Sergey V. Tkachev, Tatyana I. Asanova

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8 Citations (Scopus)

Abstract

New high-yielding methods for two [RuNO(NH3)3Cl2]Cl complexes are suggested. First, the ammine ligands are arranged facially through the reaction of a concentrated ammonia solution with the ruthenium–hexanitro complex. In the next step, the treatment of the previously unknown fac-Na[Ru(NO2)3(NH3)3]·3H2O with hydrochloric acid leads to the nitrosyl complex. The mer-[RuNO(NH3)3Cl2]Cl·H2O complex is formed from the corresponding aqua complex under reflux in 6 m HCl. The complexes were studied by various methods [FTIR spectroscopy, 14N NMR spectroscopy, extended X-ray absorption fine structure (EXAFS), thermogravimetric analysis (TGA), and X-ray diffraction studies]. Metastable states (Ru–O–N) were observed in mer-[RuNO(NH3)3Cl(H2O)]Cl2, mer-[RuNO(NH3)3Cl2]Cl·H2O, and fac-[RuNO(NH3)3Cl2]Cl under illumination at λ = 443 nm at liquid-nitrogen temperatures.

Original languageEnglish
Pages (from-to)971-978
Number of pages8
JournalEuropean Journal of Inorganic Chemistry
Volume2017
Issue number5
DOIs
Publication statusPublished - 3 Feb 2017

Keywords

  • Ammine complexes
  • Isomers
  • Nitrosyl complexes
  • Nitrosyl ligands
  • Ruthenium
  • Structure elucidation
  • NITROSYLRUTHENIUM COMPLEXES
  • RU
  • NITRIC-ACID SOLUTIONS
  • CRYSTAL-STRUCTURE
  • NITROSATION
  • HEXAAMMINERUTHENIUM(II)
  • INDUCED METASTABLE STATES
  • NMR
  • SODIUM HEXANITRORUTHENATE(II)
  • MAGNETIC-RESONANCE

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