# FOURIER TRANSFORM MICROWAVE SPECTRUM OF MgCCH (X$^{2}\Sigma^+$)

Please use this identifier to cite or link to this item: http://hdl.handle.net/1811/49291

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 Title: FOURIER TRANSFORM MICROWAVE SPECTRUM OF MgCCH (X$^{2}\Sigma^+$) Creators: Min, J.; Halfen, D. T.; Sun, M.; Harris, B. T.; Ziurys, L. M.; Clouthier, D. J. Issue Date: 2011 Abstract: The pure rotational spectrum of MgCCH (X$^{2}$\Sigma$^+$) in the frequency range of 9-40 GHz has been measured using Fourier transform microwave (FTMW) methods. The molecule was synthesized using discharge assisted laser ablation spectroscopy (DALAS) from a mixture of 0.1\% acetylene in argon and the ablation of a magnesium rod. From these data, the hydrogen hyperfine parameters have been determined for the first time, as well as refinement of the rotational and spin-rotational constants, combined with previous millimeter-wave spectra measured by the Ziurys group. URI: http://hdl.handle.net/1811/49291 Other Identifiers: 2011-RC-04