Indirect effect of hydrogen bonds on the magnetic coupling on Mn(<scp>iii</scp>) dinuclear compounds

Pagès, Josep M.; Escriche-Tur, Luis; Font-Bardı́a, Mercè; Aullón, Gabriel; Corbella, Montserrat

doi:10.1039/c8ce01194j

CrystEngComm

2018

DOI: 10.1039/c8ce01194j

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Indirect effect of hydrogen bonds on the magnetic coupling on Mn(iii) dinuclear compounds

Josep M. Pagès

Luis Escriche-Tur

Mercè Font-Bardı́a

et al.

Abstract: Hydrogen bonds between the cationic complex and counteranion weaken the antiferromagnetic interaction.

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Cited by 3 publications

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Dinuclear Copper(II) Complex with Intramolecular O−H⋅⋅⋅O Hydrogen Bonding: Magneto‐Structural Correlation for Acylhydrazone‐Based Phenoxido Bridged Copper(II) Complexes

Böhme,

Mohanty,

Lima

et al. 2024

Eur J Inorg Chem

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The μ‐phenoxido‐bridged dinuclear copper(II) complex, [Cu2(L1)2(dmso)(MeOH)] (1), has been synthesized using N′‐(4‐(diethylamino)‐2‐hydroxybenzylidene)‐1‐naphthohydrazide (H2L1) as ligand. The structural analysis of 1 reveals that the coordination geometry at the copper ions is best described as a square pyramidal with a Cu···Cu distance in the dinuclear complex of 303 pm which is supported by hydrogen bonding between the two apical oxygen donor ligands (O···O 277 pm). Magnetic studies indicate that 1 exhibits a strong antiferromagnetic interaction between the two copper(II) ions with a coupling constant of J = −450 cm−1. The magnetic exchange is transmitted through the central [Cu2(OR)2]2+ core, a fragment for which different magneto‐structural correlations have been reported depending on the substituent at the bridging oxygen atom. However, the properties of complex 1 cannot be explained by any of the established correlations. Nevertheless, complex 1, together with the series of compounds based on an acylhydrazone ligand framework reported so far, shows a magneto‐structural correlation as a function of the Cu−O−Cu bridging angle that significantly differs from all previously reported.

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Dinuclear Copper(II) Complex with Intramolecular O−H⋅⋅⋅O Hydrogen Bonding: Magneto‐Structural Correlation for Acylhydrazone‐Based Phenoxido Bridged Copper(II) Complexes

Böhme,

Mohanty,

Lima

et al. 2024

Eur J Inorg Chem

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Hydrogen bond mediated intermolecular magnetic coupling in mononuclear high spin iron(iii) Schiff base complexes: synthesis, structure and magnetic study with theoretical insight

et al. 2021

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Novel ‘main-part’ isostructuralism in metal complexes with 1-methylimidazole: crystal structures, energy calculations and magnetic properties

et al. 2021

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Indirect effect of hydrogen bonds on the magnetic coupling on Mn(iii) dinuclear compounds

Abstract: Hydrogen bonds between the cationic complex and counteranion weaken the antiferromagnetic interaction.

Cited by 3 publications

References 36 publications

Dinuclear Copper(II) Complex with Intramolecular O−H⋅⋅⋅O Hydrogen Bonding: Magneto‐Structural Correlation for Acylhydrazone‐Based Phenoxido Bridged Copper(II) Complexes

Dinuclear Copper(II) Complex with Intramolecular O−H⋅⋅⋅O Hydrogen Bonding: Magneto‐Structural Correlation for Acylhydrazone‐Based Phenoxido Bridged Copper(II) Complexes

Hydrogen bond mediated intermolecular magnetic coupling in mononuclear high spin iron(iii) Schiff base complexes: synthesis, structure and magnetic study with theoretical insight

Novel ‘main-part’ isostructuralism in metal complexes with 1-methylimidazole: crystal structures, energy calculations and magnetic properties

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