Letter | Published:

Infra-Red and Raman Spectrum of Cyclo-octatetraene

Nature volume 159, page 739 (31 May 1947) | Download Citation



As part of work on the structure and properties of cyclo-octatetraene, we have recently measured the infra-red spectrum between 2µ. and 20µ of the liquid and vapour and the Raman spectrum of the liquid. The sample was prepared specially for this purpose, and purified by repeated re-crystallization. The infra-red spectra were measured with single- and double-beam recording spectrometers using prisms of rock salt, fluorite and potassium bromide. The Raman spectrum was excited with the mercury line 5461 A., which lies to the long wave-length side of the onset of absorption, and photographed with a spectrograph having a large glass prism giving high resolution and medium dispersion.

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  1. Research Laboratories, Imperial Chemical Industries, Limited, Hexagon House, Manchester, 9.

    • M. ST. C. FLETT
  2. Physical Chemistry Department, University, Oxford.

    • W. T. CAVE
    • , E. E. VAGO
    •  & H. W. THOMPSON


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