Spin Delocalization from Paramagnetic Metal Complexes [Cr(acac)3 and Fe(acac)3] to Saturated Hydrocarbons in CHCl3 and CCl4 Solutions Full article
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Magnetic Resonance in Chemistry
ISSN: 0749-1581 , E-ISSN: 1097-458X |
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| Output data | Year: 1986, Volume: 24, Number: 8, Pages: 705-708 Pages count : 4 DOI: 10.1002/mrc.1260240815 | ||||
| Tags | contact charge transfer, Cr(acac)3, Fe(acac)3, hex‐1‐ene, Paramagnetic 13C NMR shifts, saturated hydrocarbons | ||||
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Abstract:
Paramagnetic 13C NMR shifts induced by tris(acetylacetonato)chromium(III) [Cr(acac)3] and tris(acetylacetonato)iron(III) [Fe(acac)3] in various saturated hydrocarbons were determined for the first time using a special technique.
The observed shifts, Δδspec, are the result of partial delocalization of unpaired electrons from the paramagnetic complexes on the alkanes. The value of Δδspec depends strongly on the position of a carbon atom in the hydrocarbon molecule, and tends to decrease on passing from primary to quaternary carbon atoms. The observed spin transfer seems to reflect the ‘contact charge transfer.’ The Δδspec shifts in the unsaturated hex‐1‐ene only slightly exceed those in alkanes.
Cite:
Kitaigorodskii A.N.
, Stepanov A.G.
, Nekipelov V.M.
Spin Delocalization from Paramagnetic Metal Complexes [Cr(acac)3 and Fe(acac)3] to Saturated Hydrocarbons in CHCl3 and CCl4 Solutions
Magnetic Resonance in Chemistry. 1986. V.24. N8. P.705-708. DOI: 10.1002/mrc.1260240815 WOS Scopus РИНЦ ANCAN OpenAlex
Spin Delocalization from Paramagnetic Metal Complexes [Cr(acac)3 and Fe(acac)3] to Saturated Hydrocarbons in CHCl3 and CCl4 Solutions
Magnetic Resonance in Chemistry. 1986. V.24. N8. P.705-708. DOI: 10.1002/mrc.1260240815 WOS Scopus РИНЦ ANCAN OpenAlex
Dates:
| Submitted: | Dec 10, 1985 |
| Accepted: | Mar 17, 1986 |
| Published print: | Aug 1, 1986 |
| Published online: | Apr 12, 2005 |
Identifiers:
| Web of science: | WOS:A1986D772500014 |
| Scopus: | 2-s2.0-84989634819 |
| Elibrary: | 31887373 |
| Chemical Abstracts: | 1986:544755 |
| Chemical Abstracts (print): | 105:144755 |
| OpenAlex: | W1992151627 |