An unprecedented up-field shift in the 13C NMR spectrum of the carboxyl carbons of the lantern-type dinuclear complex TBA[Ru2(O2CCH3)4Cl2] (TBA+ = tetra(n-butyl)ammonium cation)

A large up-field shift (-763 ppm) has been observed for the carboxyl carbons of the dichlorido complex TBA[Ru(2)(O(2)CCH(3))(4)Cl(2)] (TBA(+) = tetra(n-butyl)ammonium cation) in the (13)C NMR spectrum (CD(2)Cl(2) at 25 °C). The DFT calculations showed spin delocalization from the paramagnetic Ru(2)(...

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Vydáno v:	Dalton transactions : an international journal of inorganic chemistry Ročník 44; číslo 30; s. 13439 - 13443
Hlavní autoři:	Hiraoka, Yuya, Ikeue, Takahisa, Sakiyama, Hiroshi, Guégan, Frédéric, Luneau, Dominique, Gillon, Béatrice, Hiromitsu, Ichiro, Yoshioka, Daisuke, Mikuriya, Masahiro, Kataoka, Yusuke, Handa, Makoto
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	England 14.08.2015
ISSN:	1477-9234
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Popis
Shrnutí:	A large up-field shift (-763 ppm) has been observed for the carboxyl carbons of the dichlorido complex TBA[Ru(2)(O(2)CCH(3))(4)Cl(2)] (TBA(+) = tetra(n-butyl)ammonium cation) in the (13)C NMR spectrum (CD(2)Cl(2) at 25 °C). The DFT calculations showed spin delocalization from the paramagnetic Ru(2)(5+) core to the ligands, in agreement with the large up-field shift.
Bibliografie:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1477-9234
DOI:	10.1039/c5dt01680k