Journal
JOURNAL OF PHYSICAL CHEMISTRY A
Volume 117, Issue 44, Pages 11289-11292Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp409173v
Keywords
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Funding
- Italian MIUR (PRIN project) [2010ERFKXL_001]
- University of Bologna (RFO)
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The rotational spectrum of pyridine-CF4 has been investigated by molecular beam Fourier transform microwave spectroscopy in a supersonic expansion. The CF4 moiety is located as a cap over the pyridine nitrogen, and the two parts are freely rotating with respect to each other. For this reason, in a first approximation, in the m = 0 state only the pyridine ring is rotating along the a-axis, and the value of rotational constant A' is nearly the same of the constant A of isolated pyridine. The (NCCF4)-C-..., distance is 3.372(1) angstrom. The dissociation energy has been estimated, from the centrifugal distortion, to be ca. 10 kJ/mol.
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