The rotationally resolved origin band in the electronic spectrum of cyclic has been observed by cavity ring down spectroscopy in the gas phase. The molecule was generated in a supersonic planar plasma containing decaborane and neon as a carrier gas. The rotational structure pattern is that of a cyclic molecule. It is analyzed assuming an equilateral triangle in both electronic states. The band origin is determined to be 21 853.52 cm−1, and the bond lengths 1.603 77(106) Å in the ground and 1.619 07(96) Å in the excited electronic state are inferred from analysis of the rotational structure.
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Research Article| October 01 2004
Gas phase detection of cyclic electronic origin band
P. Cias, M. Araki, A. Denisov, J. P. Maier; Gas phase detection of cyclic electronic origin band. J. Chem. Phys. 8 October 2004; 121 (14): 6776–6778. https://doi.org/10.1063/1.1791153
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