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THE $^{1}B_{1}\, (n\pi^{*})\leftarrow 1^{1}A_{1}$, ELECTRONIC BAND SYSTEM OF MALONDIALDEHYDE

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/10533

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Title: THE $^{1}B_{1}\, (n\pi^{*})\leftarrow 1^{1}A_{1}$, ELECTRONIC BAND SYSTEM OF MALONDIALDEHYDE
Creators: Seliskar, C. J.; Hoffman, R. E.
Issue Date: 1978
Abstract: The $^{1}B_{1}\, (n\pi^{*})\leftarrow 1^{1} A_{1}$ electronic band system in the normal isotope of malondialdehyde vapor has been measured and contains approximately 150 vibronic components. Analysis of the prominent vibronic bands leads to identification of $^{1}B_{1}$ state fundamentals of 1297 and $185\, cm^{-1}$. The former frequency is attributed to a totally-symmetric carbonyl stretching vibration; the latter is tentatively assigned to a non-totally-symmetric, in-plane vibration whose potential function is double-welled. This is the first reported instance of the measurement of a highly-structured $\pi^{*} \rightarrow n$ transition in a small organic molecule in which there is an intramolecular hydrogen bond in the vapor phase monomer.
URI: http://hdl.handle.net/1811/10533
Other Identifiers: 1978-RG-01
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