title: Oxygen-17 hyperfine structures in the pure rotational spectra of SrO, SnO, BaO, HfO and ThO.
abstract: Hyperfine structures arising from the couplings of the nuclear spin angular momentum of (17)O (I = 5/2) with the end over end rotation of several metal-containing diatomic monoxides have been observed using a Fourier transform microwave spectrometer. The molecules have been produced by reacting (17)O(2) with laser ablated metal atoms. The oxygen-17 nuclear quadrupole coupling constants have been determined for the title molecules and are interpreted in terms of a simple Townes-Dailey model. Also, the oxygen-17 nuclear spin-rotation constants have been determined and used to calculate the oxygen-17 shieldings for each molecule.
authors.affiliation: Department of Chemistry, University of North Texas, P.O. Box 305070, Denton, TX 76203, USA.
authors.forename: Christopher T
authors.initials: CT
authors.lastname: Dewberry
authors.forename: Kerry C
authors.initials: KC
authors.lastname: Etchison
authors.forename: Garry S
authors.initials: GS
authors.lastname: Grubbs Ii
authors.forename: Robert A
authors.initials: RA
authors.lastname: Powoski
authors.forename: Michal M
authors.initials: MM
authors.lastname: Serafin
authors.forename: Sean A
authors.initials: SA
authors.lastname: Peebles
authors.forename: Stephen A
authors.initials: SA
authors.lastname: Cooke
mesh_terms: D017609:Barium Compounds / Q000737:chemistry*; D005609:Free Radicals / Q000737:chemistry; D006195:Hafnium / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy / Q000379:methods / Q000592:standards; D010087:Oxides / Q000737:chemistry*; D010103:Oxygen Isotopes; D012015:Reference Standards; D012399:Rotation; D013057:Spectrum Analysis / Q000379:methods; D013324:Strontium / Q000737:chemistry*; D013911:Thorium Dioxide / Q000737:chemistry*; D017971:Tin Compounds / Q000737:chemistry*
chemical_list: D017609:Barium Compounds; D005609:Free Radicals; D010087:Oxides; D010103:Oxygen Isotopes; D017971:Tin Compounds; C077606:barium oxide; D013911:Thorium Dioxide; D006195:Hafnium; D013324:Strontium