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Boron Cluster Anion [B12H12]2– in Zinc(II) and Cadmium(II) Complexation at the Presence of N-Donor Heterocyclic Ligands

Boron Cluster Anion [B12H12]2– in Zinc(II) and Cadmium(II) Complexation at the Presence of... Zinc(II) and cadmium(II) complexation with the dodecahydrido-closo-dodecaborate anion [B12H12]2– in the presence of benzimidazole ligands 1-methylbenzimidazo-2-yl-methyleneaniline (L1) and 1-ethyl-2-(4-methoxyphenyl)azobenzimidazole (L2) was studied. A number of Zn(II) and Cd(II) complexes with the [B12H12]2– anion and ligands L1 or L2 were obtained and characterized. Effect of the metal nature on the composition and structure of the resulting compounds was determined. Only tris-chelate zinc(II) complexes with the [B12H12]2– anion were isolated. For cadmium, first examples of mixed-ligand complexes with the [B12H12]2– anion coordinated by the metal atom via 3c2e (CdHB) bonds were isolated. Structures of complexes [Zn(L1)3][B12H12]·2CH3CN, [Cd(L1)2[B12H12]]·2CH3CN and [Cd(L2)2(CH3CN)[B12H12]]·CH3CN were determined by X-ray diffraction.Graphical Abstract[graphic not available: see fulltext] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Cluster Science Springer Journals

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References (68)

Publisher
Springer Journals
Copyright
Copyright © The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature 2022
ISSN
1040-7278
eISSN
1572-8862
DOI
10.1007/s10876-022-02263-0
Publisher site
See Article on Publisher Site

Abstract

Zinc(II) and cadmium(II) complexation with the dodecahydrido-closo-dodecaborate anion [B12H12]2– in the presence of benzimidazole ligands 1-methylbenzimidazo-2-yl-methyleneaniline (L1) and 1-ethyl-2-(4-methoxyphenyl)azobenzimidazole (L2) was studied. A number of Zn(II) and Cd(II) complexes with the [B12H12]2– anion and ligands L1 or L2 were obtained and characterized. Effect of the metal nature on the composition and structure of the resulting compounds was determined. Only tris-chelate zinc(II) complexes with the [B12H12]2– anion were isolated. For cadmium, first examples of mixed-ligand complexes with the [B12H12]2– anion coordinated by the metal atom via 3c2e (CdHB) bonds were isolated. Structures of complexes [Zn(L1)3][B12H12]·2CH3CN, [Cd(L1)2[B12H12]]·2CH3CN and [Cd(L2)2(CH3CN)[B12H12]]·CH3CN were determined by X-ray diffraction.Graphical Abstract[graphic not available: see fulltext]

Journal

Journal of Cluster ScienceSpringer Journals

Published: Mar 1, 2023

Keywords: Boron clusters; Mixed-ligand complexes; X-ray diffraction

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