Mixed-Carboxylate Cadmium–Europium Compounds with Monocarboxylic Acid Anions

IF 1.1 3区化学 Q4 CHEMISTRY, INORGANIC & NUCLEAR Russian Journal of Coordination Chemistry Pub Date : 2024-11-07 DOI:10.1134/S1070328424600554

M. A. Shmelev, T. D. Shatrov, O. V. Zvereva, A. A. Levina, Yu. K. Voronina, A. A. Sidorov, I. L. Eremenko

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Abstract

A series of mixed-carboxylate EuCd compounds with 1,10-phenanthroline (phen) and anions of benzoic H(Bz), pentabenzoic H(Pfb), 3,5-dinitrobenzoic H(3,5-Nbz), and 3,5-di-tert-butylbenzoic H(Dtbbz) acids is synthesized: [Eu₂Cd₂(phen)₂(Рfb)_5,4(Bz)_4,6]·2MeCN (I), [Eu₂(H₂O)₂Cd₂(phen)₂(3,5-Nbz)_4,1(Bz)_5,9] (II), and [EuCd₂(EtOH)₄(Dtbbz)₆(Pfb)] (III). The variation of combinations of aromatic anions makes it possible to reveal the influence of diverse factors on the compositions and structures of new compounds. In the case of benzoate‒pentafluorobenzoate compound I and 3,5-dinitrobenzoate‒benzoate compound II, the aromatic substituents of the anions have nonintegral populations and occupy close positions in the structure of the complex. The combination of the more bulky 3,5-di-tert-butylbenzoate and pentafluorobenzoate anions in compound III results in the formation of a compound with integral populations of the positions of the anions. The synthesized compounds are characterized by XRD, IR spectroscopy, and C,H,N elemental analysis.

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含单羧酸阴离子的混合羧酸镉铕化合物

合成了一系列具有 1,10-菲罗啉（phen）和苯甲酸 H(Bz)、五苯甲酸 H(Pfb)、3,5-二硝基苯甲酸 H(3,5-Nbz)和 3,5-二叔丁基苯甲酸 H(Dtbbz)阴离子的混合羧酸 EuCd 化合物：[Eu2Cd2(phen)2(Рfb)5,4(Bz)4,6]-2MeCN（I）、[Eu2(H2O)2Cd2(phen)2(3,5-Nbz)4,1(Bz)5,9]（II）和[EuCd2(EtOH)4(Dtbbz)6(Pfb)]（III）。芳香阴离子组合的变化可以揭示各种因素对新化合物组成和结构的影响。在苯甲酸-五氟苯甲酸酯化合物 I 和 3,5-二硝基苯甲酸酯-苯甲酸酯化合物 II 中，阴离子的芳香取代基具有非整体性，在复合物结构中占据的位置很接近。在化合物 III 中，较笨重的 3,5-二叔丁基苯甲酸酯阴离子和五氟苯甲酸酯阴离子结合在一起，形成了阴离子位置呈整数的化合物。合成化合物的特征是 XRD、红外光谱和 C、H、N 元素分析。

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来源期刊

Russian Journal of Coordination Chemistry 化学-无机化学与核化学

CiteScore

2.40

自引率

15.80%

发文量

审稿时长

7.2 months

期刊介绍： Russian Journal of Coordination Chemistry is a journal that publishes reviews, original papers, and short communications on all aspects of theoretical and experimental coordination chemistry. Modern coordination chemistry is an interdisciplinary science that makes a bridge between inorganic, organic, physical, analytical, and biological chemistry.