Abstract
THE infra-red spectrum of acetylene prepared from calcium carbide and 93 per cent heavy water has been examined photographically up to 12,000 A. with a 4 m. absorbing length at 2 atmospheres1. Four bands have been observed, all of which belong to C2HD as indicated by the absence of alternating intensities. In spite of the high concentration of the heavy water used, no bands due to C2D2 have been observed in this region.
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References
H. M. Randall and E. F. Barker (Phys. Rev., 45, 124; 1934) have recently published a short note on the far infra-red spectrum of C2HD and C2D2.
R. Mecke, Z. phys. Chem., B, 17, 1; 1932.
W. Lochte-Holtgreven and E. Eastwood, Z. Phys., 79, 450; 1932.
R. W. Wood, Phys. Rev., 45, 392; 1934.
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HERZBERG, G., PATAT, F. & SPINKS, J. Bands of ‘Heavy’ Acetylene in the Near Infra-Red. Nature 133, 951 (1934). https://doi.org/10.1038/133951b0
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DOI: https://doi.org/10.1038/133951b0
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