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Structure of Potassium and Cesium Barbiturates

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Abstract

The structures of catena-[K(μ6-Hba−O,O,O,O′,O′,O″)] (I) and catena-[Cs(μ6-Hba–O,O,O′,O′,O″,O″)] (II), where Н2ba is barbituric acid C4H4N2O3, were characterized by powder X-ray diffraction. Crystallographic data: a = 14.1603 (4) Å, b = 3.68977 (9) Å, c = 10.9508 (3) Å, β = 82.226 (1)°, V = 566.90 (3) Å3, space group P21/n, Z = 4 for I; a = 14.652 (1) Å, b = 11.7275 (7) Å, c = 3.8098 (3) Å, β = 79.140 (6)°, V = 642.90 (8) Å3, space group C2/m, Z = 4 for II. The structural topologies of alkali metal complexes with barbituric acid and some its derivatives were compared. The thermal stability of complexes I and II in an air atmosphere was studied.

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Authors and Affiliations

  1. Siberian Federal University, Krasnoyarsk, 660041, Russia

    N. N. Golovnev, M. S. Molokeev & M. K. Lesnikov

  2. Kirenskii Institute of Physics, Siberian Branch, Russian Academy of Sciences, Krasnoyarsk, 660036, Russia

    M. S. Molokeev

  3. Far Eastern State Transport University, Khabarovsk, 680021, Russia

    M. S. Molokeev

Authors
  1. N. N. Golovnev
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  2. M. S. Molokeev
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  3. M. K. Lesnikov
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Correspondence to N. N. Golovnev.

Additional information

Original Russian Text © N.N. Golovnev, M.S. Molokeev, M.K. Lesnikov, 2018, published in Zhurnal Neorganicheskoi Khimii, 2018, Vol. 63, No. 10, pp. 1299–1305.

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Golovnev, N.N., Molokeev, M.S. & Lesnikov, M.K. Structure of Potassium and Cesium Barbiturates. Russ. J. Inorg. Chem. 63, 1315–1321 (2018). https://doi.org/10.1134/S0036023618100078

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  • DOI: https://doi.org/10.1134/S0036023618100078

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