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Metallic cyanoacetylides of copper, silver and gold: Generation and structural characterization

Abstract : The metallic cyanoacetylides CuCCCN, AgCCCN, and AuCCCN have been synthesized in the throat of a pulsed supersonic expansion by reaction of metal vapors, produced by laser ablation, and BrCCCN. Their pure rotational spectra in the (X1Σ+) electronic ground state were observed by Fourier transform microwave spectroscopy in the 2-10 GHz frequency region. Importantly, the rotational spectroscopy constants determined from the analysis of the rotational spectra clearly established the existence of metal-CCCN arrangements for all the mentioned cyanoacetylides. A study of the chemical bonding by means of a topological analysis of the electron density helps to understand the preference for metal-C bonding over metal-N bonding. © the Owner Societies 2016.
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Submitted on : Wednesday, November 16, 2016 - 3:45:25 PM
Last modification on : Friday, July 10, 2020 - 4:10:03 PM

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C. Cabezas, C. Barrientos, A. Largo, J.-C. Guillemin, J.L. Alonso. Metallic cyanoacetylides of copper, silver and gold: Generation and structural characterization. Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2016, 18 (41), pp.28538--28547. ⟨10.1039/c6cp04474c⟩. ⟨hal-01398034⟩

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