The Journal of Chemical Physics · 1953 · 65 citations · 11 references
Natural SciencesChemistryPhysical ChemistrySpectroscopic AnalysisSpectroscopyHyperfine StructureInorganic SpectroscopyMicrowave SpectroscopyMolecular SymmetryRotational SpectroscopyRotational StructureElectric Quadrupole Hyperfine InteractionHyperfine Structure ConstantsHyperfine Structure In Rotational SpectraHyperfine Structure MeasurementsMolecular Rotational ConstantsNuclear Quadrupole CouplingQuadrupole InteractionQuadrupole Splitting
The microwave spectra of C12O16Cl35Cl35 and C12O16Cl35Cl37 have been investigated in the region 23 000–28 000 Mc/sec. The analyses of the rotational spectra yield for the phosgene molecule: C–O distance=1.166±0.002A; C–Cl distance=1.746±0.004A; and Cl–C–Cl angle=111.3±0.1°. An analysis of the quadrupole hyperfine structure was made for both isotopic species and the quadrupole coupling constants were obtained for C12O16Cl35Cl35. An attempt is made to explain the large observed value of the field dyadic asymmetry parameter η.
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