Isolation of H2S…ClF in a pre-reactive mixture of H2S and ClF expanded in a coaxial jet and characterisation by rotational spectroscopy
作者:H.I. Bloemink、K. Hinds、J.H. Holloway、A.C. Legon
DOI:10.1016/0009-2614(95)00694-y
日期:1995.8
The reaction between H2S and ClF was precluded and H2S...ClF isolated by a coaxial supersonic expansion of the gaseous components into the Fabry-Perot cavity of a pulsed-nozzle, Fourier-transform microwave spectrometer. The ground-state rotational spectra of seven isotopomers of H2S...ClF were analysed and gave in each case the spectroscopic constants 1/2(B-0 + C-0), D-J, chi(aa) (Cl) and M(bb) (Cl). Interpretation of these constants revealed the complex to have a geometry of C-s symmetry with the S...Cl-F nuclei collinear in the order shown, with the angle 180 degrees - phi = 84.2(4)degrees between the C-2 axis of H2S and the S...ClF axis, and with r(S...Cl) = 2.857(3) Angstrom.