First outer-sphere 1,3-diethyl-2-thiobarbituric compounds [M(H2O)(6)] (1,3-diethyl-2-thiobarbiturate)(2)center dot 2H(2)O (M = Co2+, Ni2+): Crystal structure, spectroscopic and thermal properties

Тип публикации: статья из журнала

Год издания: 2016

Идентификатор DOI: 10.1016/j.cplett.2016.04.059

Ключевые слова: 1,3-Diethyl-2-thiobarbituric acid, Nickel(II), Cobalt(II), Coordination compound, X-ray diffraction, Infrared spectroscopy, Thermal analysis, Carbon dioxide, Cobalt, Cobalt compounds, D region, Decomposition, Hydrogen bonds, Molecules, Nickel, Single crystals, Sulfur dioxide, Thermoanalysis, X ray diffraction, X ray diffraction analysis, 2D layer, Coordination compounds, Discrete structure, Intermolecular hydrogen bonds, Single-crystal and powder, Water molecule, Crystal structure

Аннотация: Two new d-element compounds, [Co(H2O)(6)](Detba)(2)center dot 2H(2)O (1) and [Ni(H2O)(6)](Detba)(2)center dot 2H(2)O (2) (HDetba - 1,3-diethyl-2-thiobarbituric acid) were synthesized and characterized by single-crystal and powder Xray diffraction analysis, TG-DSC and FT-IR. Structural analysis revealed that (1) and (2) are discrete structures, in which M2+ ion (M = Co, Ni) is six-coordinated by water molecules and it forms an octahedron. The outer-sphere Detba ions and H2O molecules participate in O-H center dot center dot center dot(O/S) intermolecular hydrogen bonds which form the 2D layer. Thermal decomposition includes the stage of dehydration and the following stage of oxidation of Detba with a release of CO2, SO2, H2O, NH3 and isocyanate gases. (C) 2016 Elsevier B.V. All rights reserved.

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Выпуск журнала: Vol. 653

Номера страниц: 54-59

ISSN журнала: 00092614

Место издания: AMSTERDAM



  • Golovnev Nicolay N. (Siberian Fed Univ, Dept Chem, 79 Svobodny Aven, Krasnoyarsk 660041, Russia)
  • Molokeev Maxim S. (SB RAS, LV Kirensky Phys Inst, Lab Crystal Phys, Bld 38,Akademgorodok 50, Krasnoyarsk 660036, Russia; Far Eastern State Transport Univ, Dept Phys, 47 Seryshev Str, Khabarovsk 680021, Russia)
  • Lesnikov Maxim K. (Siberian Fed Univ, Dept Chem, 79 Svobodny Aven, Krasnoyarsk 660041, Russia)
  • Atuchin Victor V. (Russian Acad Sci, Inst Semicond Phys, Lab Opt Mat & Struct, 13 Lavrentiev Aven, Novosibirsk 630090, Russia; Tomsk State Univ, Funct Elect Lab, 36 Lenin Aven, Tomsk 634050, Russia; Novosibirsk State Univ, Lab Semicond & Dielect Mat, 2 Pirogov Str, Novosibirsk 630090, Russia)

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