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Issue 11, 2002
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Black body radiation induced hydrogen formation in hydrated vanadium cations V+(H2O)n

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Abstract

Hydrated vanadium cations V+(H2O)n, n = 5–30, are stored in the collision-free environment of an FT-ICR mass spectrometer and their reactions due to absorption of black body radiation are studied. Besides the loss of water ligands, the clusters show two different intracluster redox reactions, whose branching ratios are strongly size-dependent. Oxidation to the +II state results in V(OH)+(H2O)n ions, and a concurrent release of atomic hydrogen. Alternatively V(OH)2+(H2O)n clusters can form leaving vanadium in the +III state, common in aqueous solutions, and simultaneously molecular H2 evaporates from the cluster. This behavior reflects the properties of transition metals, and the ability of vanadium to form stable compounds in a variety of oxidation states, and differs from the previously studied intracluster reactions involving the hydrated monovalent main group metals Mg+ and Al+. These only react to their preferred oxidation states, MgOH+ and Al(OH)2+, respectively.

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Publication details

The article was received on 27 Nov 2001, accepted on 20 Mar 2002 and first published on 01 May 2002


Article type: Paper
DOI: 10.1039/B110849B
Citation: Phys. Chem. Chem. Phys., 2002,4, 2224-2228
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    Black body radiation induced hydrogen formation in hydrated vanadium cations V+(H2O)n

    B. S. Fox, I. Balteanu, O. P. Balaj, H. Liu, M. K. Beyer and V. E. Bondybey, Phys. Chem. Chem. Phys., 2002, 4, 2224
    DOI: 10.1039/B110849B

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