Vibrational overtone spectra of monofluoroacetylene: a preliminary report

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Abstract
High-resolution infrared and near-infrared spectra have been observed for more than 80 overtone bands of the HCCF molecule, including two CH stretching overtones in the visible region. Many of these have been analysed, and many more are in the course of analysis and will be reported later. All fundamentals have now been rotationally analysed and the equilibrium rotational constant determined. These data provide a testing ground for anharmonic force-field analyses, and they are discussed briefly in this connection.