The pure rotational spectrum of ScBr
Physical Chemistry Chemical Physics2000Vol. 2(1), pp. 43–46
Citations Over TimeTop 11% of 2000 papers
Abstract
The pure rotational spectra of Sc79Br and Sc81Br have been measured in two vibrational states (v=0 and 1) in the 5–24 GHz spectral region, using a cavity pulsed jet Fourier transform microwave spectrometer. The samples were prepared by ablating Sc metal in the presence of Br2 contained in the Ar backing gas of the jet. The equilibrium internuclear distance re has been determined along with estimates for the harmonic vibration frequency ωe and the dissociation energy, De. Nuclear quadrupole coupling constants and spin–rotation constants have been determined for both Sc and Br. The ionic character of the ScBr bond is estimated to be ∽95%. Magnetic shieldings for both nuclei have been estimated.
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