期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 109, 期 5, 页码 915-921出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp046153g
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The (1:1) clusters of 1,2,4,5-tetrafluorobenzene (TFB) with methanol and with 2,2,2-trifluoroethanol (TFE) were studied both experimentally and computationally. Through use of fluorescence-detected infrared spectroscopy, the (1:1) clusters were identified in supersonic jets. Intermolecular interactions in the clusters were characterized by the spectral shifts of the aromatic C-H stretching modes in the TFB moiety owing to the cluster formation. The molecular structures, stabilization energies, and vibrational frequencies of the clusters were computed at the MP2/6-31+G* level. Both computational and experimental data indicate that an aromatic C-(HO)-O-... hydrogen bond is present in the TFB-methanol cluster, while it is absent in the TFB-TFE cluster.
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