Olesya S. Ablyasova
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View article: High-Spin Manganese(V) in an Active Center Analogue of the Oxygen-Evolving Complex
High-Spin Manganese(V) in an Active Center Analogue of the Oxygen-Evolving Complex Open
In a comprehensive investigation of the dinuclear [Mn2O3]+ cluster, the smallest dimanganese entity with two μ-oxo bridges and a terminal oxo ligand, and a simplified structural model of the active center in the oxygen-evolving complex, we…
View article: Direct Spectroscopic Confirmation of the Oxygen‐Centered Diradical Character of the Tetraoxidorhenium(VII) Cation [Re(O)<sub>4</sub>]<sup>+</sup>
Direct Spectroscopic Confirmation of the Oxygen‐Centered Diradical Character of the Tetraoxidorhenium(VII) Cation [Re(O)<sub>4</sub>]<sup>+</sup> Open
Mononuclear inorganic diradical species are scarce. Here, we confirm, via X‐ray absorption spectroscopy in the gas phase combined with computational studies, the oxygen‐centered diradical character of the tetraoxidorhenium(VII) cation. A d…
View article: Abrupt Change from Ionic to Covalent Bonding in Nickel Halides Accompanied by Ligand Field Inversion
Abrupt Change from Ionic to Covalent Bonding in Nickel Halides Accompanied by Ligand Field Inversion Open
The electronic configuration of transition metal centers and their ligands is crucial for redox reactions in metal catalysis and electrochemistry. We characterize the electronic structure of gas-phase nickel monohalide cations via nickel L…
View article: Direct spectroscopic evidence for the high-spin state of dioxidomanganese(<scp>v</scp>)
Direct spectroscopic evidence for the high-spin state of dioxidomanganese(<span>v</span>) Open
The spin state of metal centers in catalytic reactions can be rate limiting when high-valent metals such as manganese are involved. Here, we demonstrate dioxidomanganese( v ) to be only the second manganese( v ) compound to exhibit a high …
View article: Exposing the Oxygen‐Centered Radical Character of the Tetraoxido Ruthenium(VIII) Cation [RuO<sub>4</sub>]<sup>+</sup>
Exposing the Oxygen‐Centered Radical Character of the Tetraoxido Ruthenium(VIII) Cation [RuO<sub>4</sub>]<sup>+</sup> Open
The tetraoxido ruthenium(VIII) radical cation, [RuO 4 ] + , should be a strong oxidizing agent, but has been difficult to produce and investigate so far. In our X‐ray absorption spectroscopy study, in combination with quantum‐chemical calc…
View article: Electronic Structure of the Complete Series of Gas-Phase Manganese Acetylacetonates by X-ray Absorption Spectroscopy
Electronic Structure of the Complete Series of Gas-Phase Manganese Acetylacetonates by X-ray Absorption Spectroscopy Open
Metal centers in transition metal-ligand complexes occur in a variety of oxidation states causing their redox activity and therefore making them relevant for applications in physics and chemistry. The electronic state of these complexes ca…
View article: Ultrafast Dissociation Dynamics Induced in [Fe(CO)<sub>5</sub>]<sub><i>n</i></sub>Xe<sub><i>m</i></sub> Mixed Clusters by Resonant Femtosecond Infrared Laser Radiation
Ultrafast Dissociation Dynamics Induced in [Fe(CO)<sub>5</sub>]<sub><i>n</i></sub>Xe<sub><i>m</i></sub> Mixed Clusters by Resonant Femtosecond Infrared Laser Radiation Open
Real-time dissociation dynamics induced in [Fe(CO)5] n Xe m mixed molecular clusters by femtosecond IR radiation in the 5 μm region was studied for the first time by means of time-resolved methods based on resonant excitation of C≡O vibrat…
View article: The Highest Oxidation State of Rhodium: Rhodium(VII) in [RhO<sub>3</sub>]<sup>+</sup>
The Highest Oxidation State of Rhodium: Rhodium(VII) in [RhO<sub>3</sub>]<sup>+</sup> Open
Although the highest possible oxidation states of all transition elements are rare, they are not only of fundamental interest but also relevant as potentially strong oxidizing agents. In general, the highest oxidation states are found in t…
View article: Iron L<sub>3</sub>-edge energy shifts for the full range of possible 3d occupations within the same oxidation state of iron halides
Iron L<sub>3</sub>-edge energy shifts for the full range of possible 3d occupations within the same oxidation state of iron halides Open
Chemical shift spread of 420meV of formally identical metal centers solely induced by change in metal 3d occupation.