The ν1 band of monochloroacetylene was investigated. The rotational structure of this Σ-Σ type band was resolved and lines of both HCCCl35 and HCCCl37 were assigned. The rotational constants of these molecules were obtained both in the ground and the excited state. For the D constant of HCCCl35 a value of (4.8 ±1) × 10-8 cm-1 was obtained from the band. The constant was also computed theoretically and the result was 4.6 × 10-8 cm-1.
Received: 1968-9-19
Published Online: 2014-6-2
Published in Print: 1968-12-1
© 1946 – 2014: Verlag der Zeitschrift für Naturforschung
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