Rotational and isotopic study of the ZnBr radical (2Σ+)
Burton, Mark
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https://hdl.handle.net/2142/100824
Description
Title
Rotational and isotopic study of the ZnBr radical (2Σ+)
Author(s)
Burton, Mark
Contributor(s)
Ziurys, Lucy M.
Issue Date
2018-06-20
Keyword(s)
Metal containing
Abstract
The pure rotational spectrum of ZnBr (2Σ +) has been recorded using millimeter-wave direct absorption spectroscopy. This species was generated in the gas phase via the reaction of zinc vapor with CH3Br in the presence of a DC discharge. Multiple rotational transitions were measured for 6 isotopologues (64Zn79Br, 64Zn81Br, 66Zn79Br, 66Zn81Br, 68Zn79Br, and 68Zn81Br) in the frequency range of 270-300 GHz, each of which consisted of spin-rotation splittings. Furthermore, transitions originating in the v = 1 through 3 excited vibrational states for certain isotopologues were obtained. The equilibrium rotational constant for 64Zn79Br (Be) was calculated to be near 2780 MHz, resulting in an equilibrium bond length (re) of 2.25 A.
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