Hydrates of Lanthanide(III) 2-Thiobarbiturates: Synthesis, Structure, and Thermal Decomposition

Описание

Тип публикации: статья из журнала

Год издания: 2020

Идентификатор DOI: 10.1134/S0036023620070098

Ключевые слова: hydrates, lanthanides(iii), stability, structure, thiobarbiturates

Аннотация: Abstract: The hydrates Ln(Htba)3 ∙ 3H2O (Ln = Yb (I), Er (II), Ho (III); Н2tba = 2-thiobarbituric acid), Ln(Htba)3 ∙ 2H2O and Ln(Htba)3 ∙ 8H2O were crystallized from aqueous solutions. According to single-crystal X-ray diffraction analysis data, the structure of monoclinic crystals of isostructural complexes I–III was [Ln2(H2O)6(μ2Показать полностью-Htba-О,O')4(Htba-О)2]n. The formation of isostructural Ln(Htba) ∙ 2H2O (Ln = La, Ce, Eu, Yb, Lu), Ln(Htba)3 ∙ 8H2O (Ln = Eu, Tb, Ho, Yb) and Y(Htba)3 ∙ nH2O (n = 2, 8) was confirmed by the comparison of X-ray diffraction patterns, and their composition was determined by elemental and thermal analyses. The stability of crystal hydrates under heating in an air atmosphere and in contact with their saturated solutions was studied. © 2020, Pleiades Publishing, Ltd.

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Издание

Журнал: Russian Journal of Inorganic Chemistry

Выпуск журнала: Vol. 65, Is. 7

Номера страниц: 999-1005

ISSN журнала: 00360236

Авторы

  • Golovnev N.N. (Siberian Fed Univ, Krasnoyarsk 660041, Russia)
  • Molokeev M.S. (Siberian Fed Univ, Krasnoyarsk 660041, Russia; Russian Acad Sci, Siberian Branch, Kirenskii Inst Phys, Fed Res Ctr,Krasnoyarsk Sci Ctr, Krasnoyarsk 660036, Russia; Far Eastern State Transport Univ, Khabarovsk 680021, Russia)
  • Lesnikov M.K. (Siberian Fed Univ, Krasnoyarsk 660041, Russia)
  • Samoilo A.S. (Siberian Fed Univ, Krasnoyarsk 660041, Russia)

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