Hyperfine structure investigations in the excited B 3Π0 + state of IF

✍ Scribed by H.D. Hartmann; H. Knöckel; E. Tiemann

• Publisher: Elsevier Science
• Year: 1985
• Tongue: English
• Weight: 454 KB
• Volume: 113
• Category: Article
• ISSN: 0009-2614
• DOI: 10.1016/0009-2614(85)80382-1

✦ Synopsis

IF molecules were prepa.red in a miaowave disckuge by using C3FpI Cheptafluoro-2-iodopropane) or by the direct reaction X2 + F2 _ The hyperfine structure of the rotational transitions f + 1 -f = 54 of the nirational level u' = 3 and 6 -5 of U' = 4 in the excited electronic state B 3 n e+ of IF has been investigated with the method of miaouave-optical double resanancz (MODR). From the obsen;ed spectra. quadrupole muphng constants ea3Q = -5585lf60~ MHz, eq4Q = --570.73(60) MHz and magnetic spin-rotation coupling mnstants Q@J'= 3) = 230[70), QC;' = 4) = 288(70) kHz were derived_ With the scaling by the known atomic quadrupole coupling mnstants 3 a mmparjson of the electric fieId gtadients at the different nuclex ES possible and enables qu&tat.zve wnclunons about the electronrc structure mnsidermg ionte bond and configuration muring.