ArticleInorganic chemistry2014
Study of iron dimers reveals angular dependence of valence-to-core X-ray emission spectra.
Article in Inorganic chemistry, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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10 citing papers in PubMed.
- X-ray absorption and emission spectroscopy of NDalton transactions (Cambridge, England : 2003) · 2024Article
- Combining Valence-to-Core X-ray Emission and Cu K-edge X-ray Absorption Spectroscopies to Experimentally Assess Oxidation State in Organometallic Cu(I)/(II)/(III) Complexes.Journal of the American Chemical Society · 2022Article
- Quantification of Ni-N-O Bond Angles and NO Activation by X-ray Emission Spectroscopy.Inorganic chemistry · 2021Article
- Selective Formation, Reactivity, Redox and Magnetic Properties of MnInternational journal of molecular sciences · 2020Article
- Ruthenium 4d-to-2p X-ray Emission Spectroscopy: A Simultaneous Probe of the Metal and the Bound Ligands.Inorganic chemistry · 2020Article
- Calcium Valence-to-Core X-ray Emission Spectroscopy: A Sensitive Probe of Oxo Protonation in Structural Models of the Oxygen-Evolving Complex.Inorganic chemistry · 2019Article
- Valence-to-Core X-ray Emission Spectroscopy as a Probe of O-O Bond Activation in CuAngewandte Chemie (International ed. in English) · 2019Article
- Two-Color Valence-to-Core X-ray Emission Spectroscopy Tracks Cofactor Protonation State in a Class I Ribonucleotide Reductase.Angewandte Chemie (International ed. in English) · 2018Article
- Cobalt Kβ valence-to-core X-ray emission spectroscopy: a study of low-spin octahedral cobalt(iii) complexes.Dalton transactions (Cambridge, England : 2003) · 2016Article
- X-ray Absorption and Emission Study of Dioxygen Activation by a Small-Molecule Manganese Complex.Inorganic chemistry · 2015Article
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4 authors.
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Abstract
Transition-metal Kβ X-ray emission spectroscopy (XES) is a developing technique that probes the occupied molecular orbitals of a metal complex. As an element-specific probe of metal centers, Kβ XES is finding increasing applications in catalytic and, in particular, bioinorganic systems. For the continued development of XES as a probe of these complex systems, however, the full range of factors which contribute to XES spectral modulations must be explored. In this report, an investigation of a series of oxo-bridged iron dimers reveals that the intensity of valence-to-core features is sensitive to the Fe-O-Fe bond angle. The intensity of these features has a well-known dependence on metal-ligand bond distance, but a dependence upon bond angle has not previously been documented. Herein, we explore the angular dependence of valence-to-core XES features both experimentally and computationally. Taken together, these results show that, as the Fe-O-Fe angle decreases, the intensity of the Kβ″ feature increases and that this effect is modulated by increasing amounts of Fe np mixing into the O 2s orbital at smaller bond angles. The relevance of these findings to the identification of oxygenated intermediates in bioinorganic systems is highlighted, with special emphasis given to the case of soluble methane monooxygenase.
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