Spin Delocalization from Paramagnetic Metal Complexes [Cr(acac)3 and Fe(acac)3] to Saturated Hydrocarbons in CHCl3 and CCl4 Solutions Научная публикация
Журнал |
Magnetic Resonance in Chemistry
ISSN: 0749-1581 , E-ISSN: 1097-458X |
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Вых. Данные | Год: 1986, Том: 24, Номер: 8, Страницы: 705-708 Страниц : 4 DOI: 10.1002/mrc.1260240815 | ||||
Ключевые слова | contact charge transfer, Cr(acac)3, Fe(acac)3, hex‐1‐ene, Paramagnetic 13C NMR shifts, saturated hydrocarbons | ||||
Авторы |
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Организации |
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Реферат:
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.
Библиографическая ссылка:
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
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
Даты:
Поступила в редакцию: | 10 дек. 1985 г. |
Принята к публикации: | 17 мар. 1986 г. |
Опубликована в печати: | 1 авг. 1986 г. |
Опубликована online: | 12 апр. 2005 г. |
Идентификаторы БД:
Web of science | WOS:A1986D772500014 |
Scopus | 2-s2.0-84989634819 |
РИНЦ | 31887373 |
Chemical Abstracts | 1986:544755 |
Chemical Abstracts (print) | 105:144755 |
OpenAlex | W1992151627 |