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
Hyperfine structure of 13C in the sp3 (5S) state
β Scribed by U. Kaldor
- Publisher
- Elsevier Science
- Year
- 1972
- Tongue
- English
- Weight
- 488 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
The spin-optimized s?lf-consistent-Be!d (SO SCF) method is applied to the sp3 (5S) state of the carbon atcm, with sirnulta~ous optimization of spatial orbit& and the spin function. The calculated spin density at the nucleus is 2.91 au, yl?klding a hfs constant of 818 hlH7. for *k. The insig-&?cance of 1 s polarkfion is beiicvcd to result from mutual cancellation of the effects of unpaired 2s and 2p electrons 13C hfs calculations in organic radicals are commented upon in the Ii&t of atomic resulrs.
π SIMILAR VOLUMES
The magnetic hyperfine coupling constants of C, are calculated for the four lowest triplet states (311u, 3ZZ;, 'Xi, 311s) using various ab initio methods. The dependence of the hfcc's on the computational method is carefully studied to obtain an insight into the applicability of approximate methods