Vacuum Ultraviolet Spectroscopy of the Cyanogen Halides

Abstract

<p> In Part I of this thesis, the design, construction, and calibration of a twenty-one foot off-plane Eagle vacuum spectrograph, a Lyman source, and predispersion unit are described.</p> <p> In Part II, the results of an investigation of the electronic absorption spectra of the cyanogen halides, obtained with the apparatus described in Part I, are given. Several electronic absorption systems have been observed for each of the cyanogen halides. These have been correlated and assigned to electronic transitions. Vibrational analyses have been made and the excited state dimensions have been determined by a quantitative application of the Franck-Condon principle for two absorption systems of each of the cyanogen halides.</p>