The microwave spectra of PH2D and PHD2, and the harmonic force field and structure of phosphine |
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| Institution: | 1. Laboratory of Inorganic Chemistry, Environmental and Chemical Engineering, University of Oulu, Oulu, Finland;2. Department of Chemistry, University of Calgary, Calgary, AB, Canada;3. Department of Chemistry, Loughborough University, Loughborough, Leicestershire, United Kingdom;4. Foster + Freeman Ltd, Evesham, United Kingdom |
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| Abstract: | Measurements of the pure rotational spectra of PH2D and PHD2 have been extended to include new Q-branch transitions and R-branch transitions. The rotational constants have been independently evaluated for the first time, along with some quartic and sextic centrifugal distortion constants. The spectrum of PD3 has been reanalyzed to make the constants consistent with those reported for PH3. The new results have been incorporated in a harmonic force field analysis. Both ground state average (r2) and equilibrium (re) structures have been estimated. |
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