Synthesis, structure, and photoluminescent properties of a mixed carboxylate pentafluorobenzoate–phenylacetate complex of terbium

IF 1.8 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Mendeleev Communications Pub Date : 2024-07-01 DOI:10.1016/j.mencom.2024.06.005

Natalia V. Gogoleva , Maxim A. Shmelev , Aleksandr S. Chistyakov , Galina A. Razgonyaeva , Vladislav M. Korshunov , Alisia V. Tsorieva , Ilya V. Taydakov , Alexey A. Sidorov , Igor L. Eremenko

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Abstract

A complex of mixed carboxylate pentafluorobenzoate (pfb) and phenylacetate (PhAc), viz. [Tb₂(phen)₂(pfb)₂(PhAc)₄] (phen is 1,10-phenanthroline), where each rare earth element (REE) ion is simultaneously coordinated to pentafluorobenzoic and phenylacetic acid anions, was for the first time synthesized and structurally characterized. To evaluate the influence of the second type of anion on the structure and photoluminescent properties, compounds with phenylacetic acid anions [Tb₂(phen)₂(PhAc)₆] and pentafluorobenzoic acid anions [Tb₂(EtOH)₂(phen)₂(pfb)₆] were obtained. A change in the composition of the compounds from the phenylacetic acid anion to pentafluorobenzoate led to a change in the geometry of the metal scaffold and the REE polyhedron, a rearrangement of the system of non-covalent interactions according to the Hirshfeld surface analysis, and enhanced luminescence.

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五氟苯甲酸-苯乙酸混合羧基铽络合物的合成、结构和光致发光特性

首次合成了五氟苯甲酸（pfb）和苯乙酸（PhAc）的混合羧酸根配合物，即[Tb2(phen)2(pfb)2(PhAc)4]（phen 为 1,10-菲罗啉），其中每个稀土元素（REE）离子同时与五氟苯甲酸和苯乙酸阴离子配位，并对其进行了结构表征。为了评估第二类阴离子对结构和光致发光特性的影响，我们得到了带有苯乙酸阴离子[Tb2(phen)2(PhAc)6]和五氟苯甲酸阴离子[Tb2(EtOH)2(phen)2(pfb)6]的化合物。将化合物的组成从苯乙酸阴离子改为五氟苯甲酸阴离子，导致金属支架和 REE 多面体的几何形状发生变化，根据 Hirshfeld 表面分析重新排列了非共价相互作用体系，并增强了发光能力。

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来源期刊

Mendeleev Communications 化学-化学综合

CiteScore

3.00

自引率

21.10%

发文量

226

审稿时长

4-8 weeks

期刊介绍： Mendeleev Communications is the journal of the Russian Academy of Sciences, launched jointly by the Academy of Sciences of the USSR and the Royal Society of Chemistry (United Kingdom) in 1991. Starting from 1st January 2007, Elsevier is the new publishing partner of Mendeleev Communications. Mendeleev Communications publishes short communications in chemistry. The journal primarily features papers from the Russian Federation and the other states of the former USSR. However, it also includes papers by authors from other parts of the world. Mendeleev Communications is not a translated journal, but instead is published directly in English. The International Editorial Board is composed of eminent scientists who provide advice on refereeing policy.

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