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π-Complexes of Cu(I) with Alkynes. Synthesis and Crystal Structure of Cs[CuCl2(HOCH2C≡CCH2OH)] ⋅ H2O

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Abstract

Crystals of anionic π-complex Cs[CuCl2(HOCH2C≡CCH2OH)] ⋅ H2O were synthesized by reaction of 2-butyne-1,4-diol with CuCl in a saturated aqueous solution of CsCl at 90°C and studied by X-ray diffraction analysis. The crystals are triclinic (space group \(P\bar 1\) ; a = 10.155(4) Å, b = 7.828(4) Å, c = 7.115(3) Å, α = 102.62(4)°, β = 100.77(3)°, γ = 106.71(4)°, V = 509(1) Å3, Z = 2) and consist of stacks of individual anions [CuCl2(HOCH2C≡CCH2OH)]− and hydrated [Cs ⋅ H2O]+ cations between the stacks. The Cu(I) atom has trigonal surrounding of two Cl atoms and the C≡C bond of 2-butyne-1,4-diol molecule. The Cu-(C≡C) distance in the π-core is 1.905(8) Å; the C≡C bond is elongated to 1.223(11) Å. In addition to hydrogen bonds O-H⋯Cl, crystals of the complex also contain O(w)⋯H-O and O(w)⋯Cl bonds stabilizing their structure.

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Authors and Affiliations

  1. Franko National University, ul. Kirilla i Mefodiya 6, L'viv, UA-79005, Ukraine

    Yu. I. Slyvka, B. M. Mykhalichko & V. N. Davydov

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  1. Yu. I. Slyvka
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  2. B. M. Mykhalichko
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  3. V. N. Davydov
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Translated from Koordinatsionnaya Khimiya, Vol. 31, No. 12, 2005, pp. 931–935.

Original Russian Text Copyright © 2005 by Slyvka, Mykhalichko, Davydov.

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Slyvka, Y.I., Mykhalichko, B.M. & Davydov, V.N. π-Complexes of Cu(I) with Alkynes. Synthesis and Crystal Structure of Cs[CuCl2(HOCH2C≡CCH2OH)] ⋅ H2O. Russ J Coord Chem 31, 884–888 (2005). https://doi.org/10.1007/s11173-005-0186-z

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  • DOI: https://doi.org/10.1007/s11173-005-0186-z

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