Structure and Properties of Ni(II) Complexes with Heptanedione-3.5

IF 1.2 4区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR

Journal of Structural Chemistry Pub Date : 2024-12-27 DOI:10.1134/S0022476624120059

M. Zhezhera, D. V. Kochelakov, P. A. Stabnikov, E. S. Vikulova

引用次数: 0

Abstract

The influence of the size of the β-diketonate ligand substituent on the structure and thermal properties of volatile Ni(II) complexes is determined. To this aim, a corresponding heptanedione-3.5 (Hhd) derivative is prepared. The structures of [Ni₃(hd)₆] and its derivatives [Ni₄(OMe)₄(hd)₄(MeOH)₄] and [Ni₃(OH) (hd)₅(H₂O)]₂ are studied by XRD. The trinuclear complex is similar to its simplest β-diketonate analogue. Such a tetranuclear structure is typical for mixed-ligand alkoxy-β-diketonate divalent metal complexes, whereas the hexuclear structure is unique. Thermal properties of Ni(II) β-diketonates in the series L = RC(O)CHC(O)R, R = Me, Et, tBu are compared by the thermogravimetry method.

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Ni（II）与庚二酮-3.5配合物的结构与性质

测定了β-二酮酸配体取代基的大小对挥发性Ni（II）配合物的结构和热性能的影响。为此，制备了相应的庚二酮-3.5 （Hhd）衍生物。用XRD研究了[Ni3(hd)6]及其衍生物[Ni4(OMe)4(hd)4(MeOH)4]和[Ni3(OH) (hd)5(H2O)]2的结构。三核复合物与其最简单的β-二酮酸类似物相似。这种四核结构是典型的混合配体烷氧基-β-二酮酸二价金属配合物，而六核结构是独特的。用热重法比较了L = RC(O)CHC(O)R, R = Me, Et， tBu系列Ni(II) β-二酮酸盐的热性能。

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来源期刊

Journal of Structural Chemistry 化学-无机化学与核化学

CiteScore

1.60

自引率

12.50%

发文量

142

审稿时长

8.3 months

期刊介绍： Journal is an interdisciplinary publication covering all aspects of structural chemistry, including the theory of molecular structure and chemical bond; the use of physical methods to study the electronic and spatial structure of chemical species; structural features of liquids, solutions, surfaces, supramolecular systems, nano- and solid materials; and the crystal structure of solids.