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- W2040486734 abstract "The infrared spectrum of gaseous and solid C3O2 has been examined from 70 to 4000 cm−1. Because impurity bands have been a problem in the past, strenuous efforts were made to obtain an authentic spectrum. Samples were prepared by three different methods. (1) by dehydration of malonic acid with P2O5, (2) by dehydration of malonic acid-d4 with P2O5, and (3) by pyrolysis of diacetyl tartaric anhydride. All three gave samples whose infrared spectra were quantitatively identical. In addition only traces of impurities were found by gas chromatography. The spectrum reported here is therefore surely that of pure C3O2. The range 70–400 cm−1 was examined with very thick gas and solid samples in an effort to locate the lowest fundamental. It was not observed, and is surely outside this region. The spectrum of the gas from 400 to 4000 cm−1 was examined with a resolution of 0·5–1 cm−1. Six of the seven fundamentals for the linear form are known with certainty, and the seventh is believed to be below 70 cm−1. Nonetheless there are many features of the spectrum which are still unexplained, and the analysis is far from satisfactory." @default.
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- W2040486734 date "1964-03-01" @default.
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- W2040486734 title "The infrared spectrum of carbon suboxide" @default.
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- W2040486734 doi "https://doi.org/10.1016/0371-1951(64)80021-7" @default.
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