Size-dependent H and H<sub>2</sub> formation by infrared multiple photon dissociation spectroscopy of hydrated vanadium cations, V<sup>+</sup>(H<sub>2</sub>O)<sub><i>n</i></sub>, <i>n</i> = 3-51.
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ABSTRACT: Infrared spectra of the hydrated vanadium cation (V+(H2O)n; n = 3-51) were measured in the O-H stretching region employing infrared multiple photon dissociation (IRMPD) spectroscopy. Spectral fingerprints, along with size-dependent fragmentation channels, were observed and rationalized by comparing to spectra simulated using density functional theory. Photodissociation leading to water loss was found for cluster sizes n = 3-7, consistent with isomers featuring intact water ligands. Loss of molecular hydrogen was observed as a weak channel starting at n = 8, indicating the advent of inserted isomers, HVOH+(H2O)n-1. The majority of ions for n = 8, however, are composed of two-dimension
SUBMITTER: Heller J
PROVIDER: S-EPMC9215701 | biostudies-literature | 2022 Jun
REPOSITORIES: biostudies-literature
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