封面：d-和f-金属离子与氧化还原活性和高度对称的Truxenone配体的配合物：阳离子和配位对自由基阴离子畸变和diions中单重态-三重态转变的影响。j . Inorg。化学14/2025)

IF 2 4区化学 Q3 CHEMISTRY, INORGANIC & NUCLEAR

European Journal of Inorganic Chemistry Pub Date : 2025-05-24 DOI:10.1002/ejic.202581401

Kira D. Krivenko, Alexander F. Shestakov, Maxim A. Faraonov, Alexey V. Kuzmin, Salavat S. Khasanov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Dmitri V. Konarev

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引用次数: 0

摘要

前盖显示truxenone (Tr)，具有较高的C3h对称性和退化的LUMO。它形成盐和络合物。计算表明，Cp*2Co+对Tr·−的不对称作用增强了Tr·−的Jahn-Teller畸变。这些离子应该具有三重态，但Cs+与Tr2−的氧原子的不对称方式稳定了单线态基态。Tr·−的自由基阴离子与TbIII(TMHD)3和MnII(acac)2配位，提供了配位氧原子上的不对称自旋密度局域化和配体与顺磁性金属自旋的强磁交换。更多信息可以在d.v. Konarev及其同事的研究文章中找到（DOI: 10.1002/ejic.202400760）。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Front Cover: Complexes of d- and f-metal Ions with a Redox-Active and Highly Symmetric Truxenone Ligand: Effect of Cations and Coordination on Distortions of Radical Anions and Singlet-Triplet Transitions in Dianions (Eur. J. Inorg. Chem. 14/2025)

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The Front Cover shows truxenone (Tr), which has high C_3h symmetry and degenerated LUMO. It forms salts and complexes. Calculations predict Jahn–Teller distortions for Tr^⋅− that are enhanced by the asymmetric approach of Cp*₂Co⁺ to Tr^⋅−. The dianions should have a triplet state, but the asymmetric approach of Cs⁺ to the oxygen atoms of Tr²⁻ stabilizes the singlet ground state. Radical anions of Tr^⋅− coordinate with Tb^III(TMHD)₃ and Mn^II(acac)₂ providing asymmetric spin density localization on the coordinated oxygen atom and strong magnetic exchange of the ligand and paramagnetic metal spins. More information can be found in the Research Article by D. V. Konarev and co-workers (DOI: 10.1002/ejic.202400760).

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来源期刊

European Journal of Inorganic Chemistry 化学-无机化学与核化学

CiteScore

4.30

自引率

4.30%

发文量

419

审稿时长

1.3 months

期刊介绍： The European Journal of Inorganic Chemistry (2019 ISI Impact Factor: 2.529) publishes Full Papers, Communications, and Minireviews from the entire spectrum of inorganic, organometallic, bioinorganic, and solid-state chemistry. It is published on behalf of Chemistry Europe, an association of 16 European chemical societies. The following journals have been merged to form the two leading journals, European Journal of Inorganic Chemistry and European Journal of Organic Chemistry: Chemische Berichte Bulletin des Sociétés Chimiques Belges Bulletin de la Société Chimique de France Gazzetta Chimica Italiana Recueil des Travaux Chimiques des Pays-Bas Anales de Química Chimika Chronika Revista Portuguesa de Química ACH—Models in Chemistry Polish Journal of Chemistry The European Journal of Inorganic Chemistry continues to keep you up-to-date with important inorganic chemistry research results.