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Correlation of structural and magnetic properties in a set of mononuclear lanthanide complexes

The electronic and magnetic properties of a set of mononuclear terbium(III) and dysprosium(III) complexes with two tetradentate 1-hydroxy-pyridin-2-one (1,2-HOPO) ligands are reported. Two primary coordination geometries are observed, depending on the length of the linker between the 1,2-HOPO donor...

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Bibliographic Details
Main Authors: Comba, Peter (Author) , Klingeler, Rüdiger (Author) , Koo, Changhyun (Author) , Roberts, Asha E. (Author) , Wadepohl, Hubert (Author) , Werner, Johannes (Author)
Format: Article (Journal)
Language:English
Published: 06 February 2018
In: Chemistry - a European journal
Year: 2018, Volume: 24, Issue: 20, Pages: 5319-5330
ISSN:1521-3765
DOI:10.1002/chem.201704822
Online Access:Verlag, Volltext: https://doi.org/10.1002/chem.201704822
Verlag, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/chem.201704822
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Author Notes:Peter Comba, Lena J. Daumann, Rüdiger Klingeler, Changhyun Koo, Mark J. Riley, Asha E. Roberts, Hubert Wadepohl, and Johannes Werner
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Summary:The electronic and magnetic properties of a set of mononuclear terbium(III) and dysprosium(III) complexes with two tetradentate 1-hydroxy-pyridin-2-one (1,2-HOPO) ligands are reported. Two primary coordination geometries are observed, depending on the length of the linker between the 1,2-HOPO donor moieties and the resulting arrangements of the linker. Fine details of the magnetic circular dichroism (MCD) spectra of the dysprosium(III) complexes illustrate differences in the splitting of the J multiplets and allow for a thorough ligand field analysis. High frequency electron paramagnetic resonance (HF-EPR) studies of the terbium(III) complexes give insight into the composition of the ground states. Ab initio calculations are utilized to rationalize the experimental results and further illustrate the effect of the structural features on the electronic and magnetic properties of the different complexes.
Item Description:Gesehen am 03.06.2019
Physical Description:Online Resource
ISSN:1521-3765
DOI:10.1002/chem.201704822

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