Synthesis and structural characterization of Sb(III) and Bi(III) complexes with an N2O2-type tetradentate dipyrrin ligand

Tomohiro Agou; Shunsuke Kuroiwa; Ryo Moriyama; Takuma Kuroda; Kazuya Kubo; Hiroki Fukumoto; Masato Morita; Ryo Inoue; Tatsuya Nabeshima

doi:10.1039/D5CC01037C

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Synthesis and structural characterization of Sb(iii) and Bi(iii) complexes with an N₂O₂-type tetradentate dipyrrin ligand†

Tomohiro Agou,

*^a Shunsuke Kuroiwa,^b Ryo Moriyama,^c Takuma Kuroda,^a Kazuya Kubo,

^a Hiroki Fukumoto,

*^b Masato Morita,

^b Ryo Inoue

*^a and Tatsuya Nabeshima

*^d

Author affiliations

* Corresponding authors

^a Graduate School of Science, University of Hyogo, 3-2-1 Kouto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
E-mail: agou@sci.u-hyogo.ac.jp

^b Graduate School of Science and Engineering, Ibaraki University, 4-12-1 Naka-narusawa, Hitachi, Ibaraki 316-8511, Japan

^c School of Science, University of Hyogo, 3-2-1 Kouto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan

^d Institute of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8571, Japan

Abstract

Antimony(III) and bismuth(III) complexes featuring an N₂O₂-type tetradentate dipyrrin ligand were synthesized and exhibited moderate stability under air and moisture. The Sb and Bi centres adopted square pyramidal geometries, and intermolecular Sb/Bi–π interactions were observed. The Bi complex was nonluminescent, probably because of intersystem crossing facilitated by the heavy atom effect.

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Article information

DOI: https://doi.org/10.1039/D5CC01037C
Article type: Communication
Submitted: 25 Feb 2025
Accepted: 10 Apr 2025
First published: 14 Apr 2025

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Chem. Commun., 2025, Advance Article

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Synthesis and structural characterization of Sb(III) and Bi(III) complexes with an N₂O₂-type tetradentate dipyrrin ligand

T. Agou, S. Kuroiwa, R. Moriyama, T. Kuroda, K. Kubo, H. Fukumoto, M. Morita, R. Inoue and T. Nabeshima, Chem. Commun., 2025, Advance Article , DOI: 10.1039/D5CC01037C

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