Diruthenium(II,II) Complex Assemblies Showing Electrical Conduction via π-Stacked 2-Pyrenecarboxylate Moiety

IF 3.3 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY Chemistry - An Asian Journal Pub Date : 2025-02-12 DOI:10.1002/asia.202401599

Ren Takaki, Dr. Hiroaki Iguchi, Dr. Liyuan Qu, Dr. Jenny Pirillo, Dr. Shinpei Kusaka, Dr. Yuh Hijikata, Dr. Hisaaki Tanaka, Dr. Wakana Matsuda, Prof. Shu Seki, Prof. Ryotaro Matsuda

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Abstract

Through-space electrical conduction in paddlewheel-type homovalent dinuclear complexes remains poorly understood, despite the numerous reports on these complexes. Herein, the electrical conduction of new Ru₂(II,II) complexes with 2-pyrenecarboxylate (pyrCOO⁻) ligands, [Ru₂(pyrCOO)₄X₂] ⋅ n(X) (where X=DMF (Ru-DMF), NMP (Ru-NMP), DMA (Ru-DMA)), was investigated. The dimensionality of π-stacking interactions between discrete molecules in Ru-DMA is higher (two-dimensional) than in Ru-DMF and Ru-NMP (stair-like one-dimensional). Nevertheless, Ru-DMF, which contains a slight amount of organic radicals, exhibited the highest electrical conductivity. This suggests that the large overlap and high dimensionality of π-stacking interactions among the complexes, along with a slight organic radical impurity, contribute to the increased electrical conductivity.

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二钌（II，II）配合物通过π-堆叠的2-芘羧酸基团显示导电。

通过空间电传导在桨轮型同价双核配合物仍然知之甚少，尽管许多报道这些配合物。本文研究了新型Ru2（II，II）配合物与2-吡啶甲酸酯（pyrCOO-）配体[Ru2(pyrCOO)4X2]∙n(X)(其中X = DMF (Ru-DMF), NMP （Ru-NMP), DMA (Ru-DMA)）的电导率。Ru-DMA中离散分子间π堆积相互作用的二维维数高于Ru-DMF和Ru-NMP中的一维阶梯相互作用。然而，含有少量有机自由基的Ru-DMF表现出最高的导电性。这表明配合物之间的大重叠和高维π堆积相互作用以及少量的有机自由基杂质有助于提高电导率。

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来源期刊

Chemistry - An Asian Journal 化学-化学综合

CiteScore

7.00

自引率

2.40%

发文量

535

审稿时长

1.3 months

期刊介绍： Chemistry—An Asian Journal is an international high-impact journal for chemistry in its broadest sense. The journal covers all aspects of chemistry from biochemistry through organic and inorganic chemistry to physical chemistry, including interdisciplinary topics. Chemistry—An Asian Journal publishes Full Papers, Communications, and Focus Reviews. A professional editorial team headed by Dr. Theresa Kueckmann and an Editorial Board (headed by Professor Susumu Kitagawa) ensure the highest quality of the peer-review process, the contents and the production of the journal. Chemistry—An Asian Journal is published on behalf of the Asian Chemical Editorial Society (ACES), an association of numerous Asian chemical societies, and supported by the Gesellschaft Deutscher Chemiker (GDCh, German Chemical Society), ChemPubSoc Europe, and the Federation of Asian Chemical Societies (FACS).