Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 130, Issue 16, Pages -Publisher
AIP Publishing
DOI: 10.1063/1.3121503
Keywords
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Funding
- National Institutes of Natural Sciences [SR8000-G1/64]
- Special Cluster Research Project of Genesis Research Institute, Inc
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Structures of methanol molecules chemisorbed on cobalt cluster ions, Co-n(+) (n=2-6), were investigated by infrared photodissociation (IR-PD) spectroscopy in the wavenumber range of 3400-4000 cm(-1). All the IR-PD spectra measured exhibit an intense peak in the region of the OH stretching vibration. In the IR-PD spectra of Co-2(+) (CH3OH)(2,3) and Co-3(+) (CH3OH)(3), weak peaks were observed additionally in the vicinity of 3000 cm(-1), being assignable to the CH stretching vibration. The comparison of the experimental results with the calculated ones leads us to conclude that (1) molecularly chemisorbed species, Co-n(+)(CH3OH)(m) (m=1-3), and dissociatively chemisorbed species, Co-n(+) (CH3OH)(m-1) (CH3)(OH), are dominant and (2) the methanol dehydrogenation proceeds via an intermediate, Co-n(+) (CH3) (OH). (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3121503]
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