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Issue 10, 2004
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The mid-IR absorption spectrum of gas-phase clusters of the nucleobases guanine and cytosine

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Abstract

The mid-infrared (IR) absorption spectrum of jet-cooled clusters of the nucleobases guanine and cytosine has been recorded in the 500–1800 cm−1 range by ion-dip spectroscopy. Some 30 clearly separated and sharp resonances are observed. The combination of the experimental data with new high-level ab initio calculations is consistent with a previous structural assignment and a tentative assignment is made to the K7-1E structure of guaninecytosine. These data can serve as a test of the method in the mid-IR regime.

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Publication details

The article was received on 10 Dec 2003, accepted on 08 Mar 2004 and first published on 16 Apr 2004


Article type: Paper
DOI: 10.1039/B316158G
Citation: Phys. Chem. Chem. Phys., 2004,6, 2810-2815
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    The mid-IR absorption spectrum of gas-phase clusters of the nucleobases guanine and cytosine

    J. M. Bakker, I. Compagnon, G. Meijer, G. von Helden, M. Kabeláč, P. Hobza and M. S. de Vries, Phys. Chem. Chem. Phys., 2004, 6, 2810
    DOI: 10.1039/B316158G

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