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ChemInform Abstract: Collision-Induced Dissociation of Vanadium-Carbon Cluster Cations.

✍ Scribed by K. P. KERNS; B. C. GUO; H. T. DENG; A. W. JUN. CASTLEMAN

Publisher: John Wiley and Sons
Year: 2010
Weight: 26 KB
Volume: 28
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199706001

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✦ Synopsis

1997 collision processes, conduction, discharge in gases collision processes, conduction, discharge in gases C 7000

06 -001

Collision-Induced Dissociation of Vanadium-Carbon Cluster Cations.

-Studies of the collision-induced dissociation (CID) of various VxCy clusters using a triple quadrupole mass spectrometer system coupled with a laser vaporization source show that most clusters dissociate by loss of a neutral V atom in the primary step. Under multiple-collision conditions V8C+12 and V8C+13 fragmentation proceeds mainly by metal loss but additionally by loss of C2 and C3 units. Both V8C+12 and V8C+13 are more stable than V8C+11 as revealed from their higher CID dissociation threshold. The low ionization energy of ¡ 6.74 eV observed for V8C12 confirms theoretical predictions. -(KERNS, K.

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