Quantifying covalent interactions with resonant inelastic soft X-ray scattering: Case study of Ni2+ aqua complex
Number of Authors: 10
2017 (English)In: Chemical Physics Letters, ISSN 0009-2614, E-ISSN 1873-4448, Vol. 669, 196-201 p.Article in journal (Refereed) Published
We analyze the effects of covalent interactions in Ni 2p3d resonant inelastic X-ray scattering (RIXS) spectra from aqueous Ni2+ ions and find that the relative RIXS intensities of ligand-to-metal charge-transfer final states with respect to the ligand-field final states reflect the covalent mixing between Ni 3d and water orbitals. Specifically, the experimental intensity ratio at the Ni L-3-edge allows to determine that the Ni 3d orbitals have on average 5.5% of water character. We propose that 2p3d RIXS at the Ni L-3-edge can be utilized to quantify covalency in Ni complexes without the use of external references or simulations.
Place, publisher, year, edition, pages
2017. Vol. 669, 196-201 p.
Transition-metal ion, Aqueous solution, Covalent interaction, Resonant inelastic X-ray scattering, Ligand-field state, Charge-transfer state
Chemical Sciences Physical Sciences
IdentifiersURN: urn:nbn:se:su:diva-140293DOI: 10.1016/j.cplett.2016.12.046ISI: 000392774900032OAI: oai:DiVA.org:su-140293DiVA: diva2:1081299