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Crystal structure and properties of (1,5-cyclooctadiene) (η5-pentamethylcyclopentadienyl) iridium(I) [Ir(cod)Cp*]

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Abstract

Volatile iridium(I) complexes [Ir(cod)Cpx] (Cpx = pentamethylcyclopentadienyl Cp*, ethylcyclopentadienyl CpEt, cod = 1,5-cyclooctadiene) are synthesized and characterized by IR and NMR spectroscopy. The [Ir(cod)Cp*] complex is a solid and the [Ir(cod)CpEt] complex is a liquid (SATP). The XRD method is used to determine the structure of the [Ir(cod)Cp*] complex: chemical formula C18H27Ir, space group P21/c, a = 8,4418(2) Å, b = 9,4764(3) Å, c = 19.2682(5) Å, β = 96.128(1) °, V = 1532.61(7) Å3, Z = 4, d calc = 1.888 g/cm3, μ = 8.697 mm–1. The cyclopentadienyl ligand is η5-type coordinated; 1,5-cyclooctadiene have a cis-cis conformation and is η4-type coordinated. The thermal properties of the complexes are studied by thermogravimetry.

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Authors and Affiliations

  1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    D. V. Bonegardt, I. Yu. Il’in, T. S. Sukhikh & N. B. Morozova

  2. Novosibirsk National Research State University, Novosibirsk, Russia

    D. V. Bonegardt & T. S. Sukhikh

Authors
  1. D. V. Bonegardt
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  2. I. Yu. Il’in
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  3. T. S. Sukhikh
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  4. N. B. Morozova
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Correspondence to I. Yu. Il’in.

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Original Russian Text © 2017 D. V. Bonegardt, I. Yu. Il’in, T. S. Sukhikh, N. B. Morozova.

Translated from Zhurnal Strukturnoi Khimii, Vol. 58, No. 5, pp. 1022–1026, June–July, 2017.

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Bonegardt, D.V., Il’in, I.Y., Sukhikh, T.S. et al. Crystal structure and properties of (1,5-cyclooctadiene) (η5-pentamethylcyclopentadienyl) iridium(I) [Ir(cod)Cp*]. J Struct Chem 58, 983–988 (2017). https://doi.org/10.1134/S0022476617050183

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  • DOI: https://doi.org/10.1134/S0022476617050183

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