FOURIER TRANSFORM MICROWAVE SPECTROSCOPY OF $HCCH-N_{2}O$

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 Title: FOURIER TRANSFORM MICROWAVE SPECTROSCOPY OF $HCCH-N_{2}O$ Creators: Leung, Helen O. Issue Date: 1995 Abstract: A recently constructed pulsed-nozzle Fourier transform microwave spectrometer of the Balle-Flygare type has been used to observe the rotational spectrum of the van der Waals dimer $HCCH-N_{2}O$. Guided by the infrared data obtained by Hu, Sun and $Muenter,^{1}$ 10 rotational transitions have been measured in the 8 - 16 GHz frequency range, of which 6 are a type and 4 are b type transitions. Each spectral line is split into many hyperfine components due to the presence of the two quadrupolar nuclei, $^{14}N$, but no tunneling splittings appear to be present. The dimer is a near prolate asymmetric top, and the spectrum is analyzed using a Watson S-reduced Hamiltonian to yield spectroscopic parameters and angular information. URI: http://hdl.handle.net/1811/29672 Other Identifiers: 1995-RI-02