Abstract
The [Cu(C4H8ONH(C3H5))(H2O)2]SiF6·H2O compound (I) was obtained by alternating current electrochemical synthesis, starting from a solution containing CuSiF6·4H2O and N-allylmorpholinium hexafluorosilicate. Compound I crystallizes in a trigonal P 31 space group, a = 8.6449(4), c = 16.5629(11) Å, V = 1071.98(10) Å3, Z = 3 for Cu(C7H14NO)SiF6·3H2O composition, R = 0.0569 for 2987 reflections and 182 refined parameters. The C=C bond of one N-allylmorpholinium cation, elongated to 1.38(1) Å, the O-atom from another ligand moiety, and two oxygen atoms from two water molecules form the trigonal-pyramidal environment of the metal atom. The bridging function of the ligand moiety results in infinite metal-organic chains. One more water molecule is fixed in the crystal space by hydrogen bonds only.
Graphical Abstract
In the structure of the title compound, the CuI atom possesses rather unusual surrounding comprising the C=C-bond of the allyl group of one ligand moiety, two oxygen atoms from two water molecules, and one more oxygen atom from the morpholine ring of another ligand moiety.
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Acknowledgment
The authors thank the Slovenian Research Agency (ARRS) and Ukrainian Ministry for Science and Higher Education for financial support (bilateral project BI-UA/09-10-015, M/55-2009)
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Goreshnik, E.A., Mys’kiv, M.G. Copper(I) Hexafluorosilicate π-Complex with N-Allylmorpholinium Cation: A Rare Case of (C=C + 3O) Copper(I) Coordination in the Structure of [Cu(C4H8ONH(C3H5))(H2O)2]SiF6·H2O. J Chem Crystallogr 40, 381–383 (2010). https://doi.org/10.1007/s10870-009-9666-1
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DOI: https://doi.org/10.1007/s10870-009-9666-1