High resolution Raman spectroscopy of gases with laser sources. VII: The rotational spectrum of cyclohexane‐C6H12 and C6D12

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Abstract
The pure rotational Raman spectra of cyclohexane‐d0 and cyclohexane‐d12 have been photographed under high resolution using a single mode argon laser as the exciting source. The spectra consist of reasonably sharp lines which form well developed R‐ and S‐branches. The molecular constants found from the analysis of the spectra are, for C6H12: B0 = 0.143429 ± 2 × 10−6 cm−1, DJ = (1.56 ± 0.03) × 10−8 cm−1 and, for C6D12: B0 = 0.109469 ± 1 × 10−6 cm−1 and DJ = (0.61 ± ± 0.01) × 10−8 cm−1. These results and possible molecular structures are discussed in terms of the results of recent electron diffraction studies of cyclohexane.