# DETERMINATION OF THE STRUCTURE OF HBr OCS

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 Title: DETERMINATION OF THE STRUCTURE OF HBr OCS Creators: Hight Walker, A. R.; Chen, Wei; Novick, Stewart E.; Bean, Brian D.; Marshall, Mark D. Issue Date: 1994 Abstract: Guided by the infrared spectroscopy of Hu and Sharpe first reported at this meeting last $year^{1}$ and by more recent measurements from the same $laboratory^{2}$, we have investigated the structure and dynamics of the weakly bound complex HBr OCS using pulsed-jet Fourier transform microwave spectroscopy. The complex is linear and is not hydrogen bonded. The wide amplitude bending of the HBr results in a effective angle of $26^{\circ}$ between the H-Br bond and the $O-C-S-Br$ line. Approximate values for the spectroscopic constants of the $O=C=S - ^{81}Br-H$ isotopomer are: $B = 484.050$ MHz, $D_{J} = 2.7$ KHz, and $Z_{aa} = +310.3$ MHz. In order to fit the spectrum it is necessary to include a term in the Hamiltonian which allows for centrifugal distortion of the Br quadrupole coupling constant, $X_{aa}.$ URI: http://hdl.handle.net/1811/13011 Other Identifiers: 1994-FC-02