ArticleFaraday discussions2019
Electronic spectroscopy and nanocalorimetry of hydrated magnesium ions [Mg(H
Article in Faraday discussions, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Thermally Activated vs. Photochemical Hydrogen Evolution Reactions-A Tale of Three Metals.Chemistry (Weinheim an der Bergstrasse, Germany) · 2023Article
- Surface or Internal Hydration - Does It Really Matter?Journal of the American Society for Mass Spectrometry · 2023Review
- Size-dependent H and HPhysical chemistry chemical physics : PCCP · 2022Article
- Infrared Multiple Photon Dissociation Spectroscopy Confirms Reversible Water Activation in MnThe journal of physical chemistry letters · 2022Article
- Photochemical Hydrogen Evolution at Metal Centers Probed with Hydrated Aluminium Cations, AlChemistry (Weinheim an der Bergstrasse, Germany) · 2021Article
- Photochemistry and UV/vis spectroscopy of hydrated vanadium cations, VPhysical chemistry chemical physics : PCCP · 2021Article
- Asymmetric Solvation of the Zinc Dimer Cation Revealed by Infrared Multiple Photon Dissociation Spectroscopy of ZnInternational journal of molecular sciences · 2021Article
- Carbon Dioxide Activation at Metal Centers: Evolution of Charge Transfer from MgAngewandte Chemie (International ed. in English) · 2020Article
- Infrared Multiple Photon Dissociation Spectroscopy of Hydrated Cobalt Anions Doped with Carbon Dioxide CoCOChemistry (Weinheim an der Bergstrasse, Germany) · 2020Article
- Photochemical activation of carbon dioxide in MgTheoretical chemistry accounts · 2020Article
- Ligation Kinetics as a Probe for Non-Covalent Electrostatic Bonding and Electron Solvation of Alkali and Alkaline Earth Cations with Ammonia.Journal of the American Society for Mass Spectrometry · 2019Article
Corrections and comments
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Authors and funding
5 authors.
Funding
Abstract
Hydrated singly charged magnesium ions [Mg(H2O)n]+ are thought to consist of an Mg2+ ion and a hydrated electron for n > 15. This idea is based on mass spectra, which exhibit a transition from [MgOH(H2O)n-1]+ to [Mg(H2O)n]+ around n = 15-22, black-body infrared radiative dissociation, and quantum chemical calculations. Here, we present photodissociation spectra of size-selected [Mg(H2O)n]+ in the range of n = 20-70 measured for photon energies of 1.0-5.0 eV. The spectra exhibit a broad absorption from 1.4 to 3.2 eV, with two local maxima around 1.7-1.8 eV and 2.1-2.5 eV, depending on cluster size. The spectra shift slowly from n = 20 to n = 50, but no significant change is observed for n = 50-70. Quantum chemical modeling of the spectra yields several candidates for the observed absorptions, including five- and six-fold coordinated Mg2+ with a hydrated electron in its immediate vicinity, as well as a solvent-separated Mg2+/e- pair. The photochemical behavior resembles that of the hydrated electron, with barrierless interconversion into the ground state following the excitation.
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Registered trials
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