ArticleDalton transactions (Cambridge, England : 2003)2021
Ligand control of low-frequency electron paramagnetic resonance linewidth in Cr(III) complexes.
Article in Dalton transactions (Cambridge, England : 2003), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Heteroleptic [CrMolecules (Basel, Switzerland) · 2026Article
- Molecular Design for Optically Induced Magnetization: Targeting Excited State Orbital Degeneracy in Tungsten(V) Complexes.Journal of the American Chemical Society · 2025Article
- Quantum Mimicry With Inorganic Chemistry.Comments on modern chemistry. Part A, Comments on inorganic chemistry : a journal of critical discussion of the current literature · 2024Article
- Ligand design of zero-field splitting in trigonal prismatic Ni(II) cage complexes.Dalton transactions (Cambridge, England : 2003) · 2022Article
Corrections and comments
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Authors and funding
9 authors.
Funding
Abstract
Understanding how the ligand shell controls low-frequency electron paramagnetic resonance (EPR) spectroscopic properties of metal ions is essential if they are to be used in EPR-based bioimaging schemes. In this work, we probe how specific variations in the ligand structure impact L-band (ca. 1.3 GHz) EPR spectroscopic linewidths in the trichloride salts of five Cr(iii) complexes: [Cr(RR-dphen)3]3+ (RR-dphen = (1R,2R)-(+)-diphenylethylenediamine, 1), [Cr(en)3]3+ (en = ethylenediamine, 2), [Cr(me-en)3]3+ (me-en = 1,2-diaminopropane, 3), [Cr(tn)3]3+ (tn = 1,3-diaminopropane, 4) [Cr(trans-chxn)3]3+ (trans-chxn = trans-(±)-1,2-diaminocyclohexane, 5). Spectral broadening varies in a nonintuitive manner across the series, showing the sharpest peaks for 1 and broadest for 5. Molecular dynamics simulations provide evidence that the broadening is correlated to rigidity in the inner coordination sphere and reflected in ligand-dependent distribution of Cr-N bond distances that can be found in frozen solution.
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