Abstract
The technique of pulsed-nozzle, Fourier-transform microwave spectroscopy for observing the rotational spectra of hydrogen-bonded (and other weakly bound) dimers is discussed. The sensitivity of the technique for weakly bound species and its accompanying high resolution are illustrated by reference to examples. The molecular properties of dimers that can be determined from rotational spectra via the spectroscopic constants are outlined and, in particular, the determination of geometry from rotational constants is discussed by reference to SO2⋯HF. The observed geometry for SO2⋯HF is then considered in the light of some simple rules for predicting the angular geometries of hydrogen-bonded dimers. Finally, some recent results for (SO2,HCN) are presented and the observed angular geometry is compared with the predictions of the Buckingham-Fowler electrostatic model for weakly bound dimers.
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© 1987 D. Reidel Publishing Company
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Legon, A.C. (1987). Pulsed-Nozzle, Fourier-Transform Microwave Spectroscopy of Hydrogen-Bonded Dimers. In: Weber, A. (eds) Structure and Dynamics of Weakly Bound Molecular Complexes. NATO ASI Series, vol 212. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-3969-1_2
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DOI: https://doi.org/10.1007/978-94-009-3969-1_2
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