Abstract
DADIEU and Kohlrausch1 have shown that the <C=O group in aldehydes, ketones and esters, is associated with a Raman displacement of 1,500–1,700 cm.-1; Rasetti2 found for carbon monoxide a shift of 2,155cm.-1, in satisfactory agreement with the structure CO Observation of the Raman effect in the metal carbonyls should therefore discriminate between a co-ordinated structure3, and any cyclic structure embodying <C=O groupings.
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References
Dadieu and Kohirausch, Ber., 63, 251; 1930.
F. Rasetti, NATURE, 123, 205; 1929.
cf. Sidgwick, "Electronic Theory of Valency", p. 216.
Dadieu and Schneider, Akad. Anzeiger der Akad. der Wiss., Wien. Oct. 15, 1931.
Sutton and Bentley, NATURE, 130, 314; 1932.
Hieber, Mühlbauer and Ehmann, Ber., 65, 1090; 1932.
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STUART ANDERSON, J. Carbon-Oxygen Linkage in the Metal Carbonyls. Nature 130, 1002 (1932). https://doi.org/10.1038/1301002b0
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DOI: https://doi.org/10.1038/1301002b0
