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Issue 7, 2002
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Mass-selected infrared photodissociation spectroscopy of V4O10+

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The gas-phase infrared spectroscopy of V4O10+ produced by laser vaporization has been studied in the spectral region from 7 to 16 µm. Mass-selected V4O10+ cations were stored in a helium filled radio frequency hexadecapole ion trap and excited using tunable infrared radiation from a free electron laser. The photodissociation spectrum was recorded by monitoring the V4O8+ yield (O2 loss) as a function of the excitation wavelength. Two absorption bands at 842 and 1032 cm−1 are observed, which are assigned to resonant excitation of the antisymmetric V–O–V stretching and V[double bond, length half m-dash]O stretching vibrations, respectively. Comparison to recent theoretical and experimental studies indicate that the absorbing species consists of a V4O8+ ionic core weakly bound to an oxygen molecule.

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Publication details

The article was received on 06 Dec 2001, accepted on 06 Feb 2002 and first published on 27 Feb 2002

Article type: Communication
DOI: 10.1039/B111056J
Phys. Chem. Chem. Phys., 2002,4, 1101-1104

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    Mass-selected infrared photodissociation spectroscopy of V4O10+

    K. R. Asmis, M. Brümmer, C. Kaposta, G. Santambrogio, G. von Helden, G. Meijer, K. Rademann and L. Wöste, Phys. Chem. Chem. Phys., 2002, 4, 1101
    DOI: 10.1039/B111056J

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