Abstract
The phase composition of the interaction product of zinc acetate with hydrogen peroxide in a dispersed aqueous phase of a reverse micellar solution based on oxyethylated Brij 30 surfactant and decane as a dispersion medium is analyzed by powder X-ray diffraction (XRD). Along with ZnO2 nanoparticle, the isolated product is found to contain needle-like microcrystals that, according to the single crystal XRD analysis, are zinc lactate dihydrate [Zn(lact)2(H2O)2]: a = 6.0196(3) Å, b = 11.9068(4) Å, c = 14.3878(7) Å, Z = 4, space group P212121. The coordination environment of the Zn atom is a distorted octahedron: Zn–О distances are 2.051(2)-2.099(3) Å, ∠О–Zn–О bond angles are 76.16° and 76.14°. Chelate rings are bent along the О…О line at 22.18° and 11.54°. The Hirshfeld surface (complex sphericity 0.79, asphericity 0.16) is constructed and intermolecular contacts are analyzed. A comparative crystal chemical analysis with the known [Zn(lact)2(H2O)2]·H2O structure is performed.
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Russian Text © The Author(s), 2021, published in Zhurnal Strukturnoi Khimii, 2021, Vol. 62, No. 4, pp. 611-616.https://doi.org/10.26902/JSC_id71139
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Gromilov, S.A., Piryazev, D.A. & Tatarchuk, V.V. CRYSTAL STRUCTURE OF ZINC LACTATE DIHYDRATE – A BY-PRODUCT OF THE MICELLAR SYNTHESIS OF ZnO2 NANOPARTICLES FROM ZINC ACETATE AND HYDROPERITE. J Struct Chem 62, 571–576 (2021). https://doi.org/10.1134/S0022476621040089
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DOI: https://doi.org/10.1134/S0022476621040089