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THE 1790 \AA TRANSITION OF 2-METHYLPROPENE (ISOBUTENE)

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/8870

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Title: THE 1790 \AA TRANSITION OF 2-METHYLPROPENE (ISOBUTENE)
Creators: McDiarmid, R.
Issue Date: 1971
Abstract: The vibronic structure of the absorption system originating around 1795 \AA in 2-methylpropene (isobutene) has been studied for the parent compound and for three symmetrically deuterated isomers. In addition to the sequences previously $reported,^{1}$ progressions are observed in the $C = C$ stretch, $-CH_{3}$ symmetric deformation, $=CH_{2}$ deformation, $=CH_{2}$ torsion and $-CH_{2}$ torsion vibrational modes. The observed origin is tentatively identified as a false origin. By elimintion, the transition is deduced to be $A_{2}\sigma_{{C-C}}$ ($P_{y}$, $b_{2}) \leftrightarrow (p_{x}, b_{1}$). Insufficient information is available to assign the transition more completely.
URI: http://hdl.handle.net/1811/8870
Other Identifiers: 1971-W-1
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