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Issue 13, 2004
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Extension of panoramic cluster jet spectroscopy into the far infrared: Low frequency modes of methanol and water clusters

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Abstract

The ragout-jet FTIR spectroscopy of hydrogen-bonded clusters is extended into the far infrared range, where intermolecular librational and translational modes occur. For large H2O, D2O, and CH3OD clusters, the resulting absorption bands are detected and compared to gas phase and condensed phase data. The potential for cluster-size resolved spectra is explored in the case of the OD bending mode of CH3OD. The integrated band strength ratio between the CO stretching and the OD bending mode is found to increase by a factor of four upon clustering. The strong OH torsion band of the free monomer is transformed quantitatively into high frequency librations upon clustering in the jet. For H2O and D2O clusters, both librational and translational modes are detected, in good agreement with available condensed phase data. The cluster distribution is characterized by comparing to OD stretching spectra under identical conditions.

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Publication details

The article was received on 16 Feb 2004, accepted on 11 Mar 2004 and first published on 21 Apr 2004


Article type: Paper
DOI: 10.1039/B402379J
Citation: Phys. Chem. Chem. Phys., 2004,6, 3315-3319

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    Extension of panoramic cluster jet spectroscopy into the far infrared: Low frequency modes of methanol and water clusters

    Y. Liu, M. Weimann and M. A. Suhm, Phys. Chem. Chem. Phys., 2004, 6, 3315
    DOI: 10.1039/B402379J

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