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Harold Lee, D. Dyer, R. Ragsdale (1963)
Fluorine-19 nuclear magnetic resonance study of some pentafluorotitanate complexes with neutral ligandsJournal of The Chemical Society-dalton Transactions
Doklady Chemistu; Vol. 375, Nos. 1-3, 2000, pp. 253-255. Translated from Doklady Akademii Nauk, Vol. 375, No. 3, 2000, pp. 347-350. Original Russian Text Copyright 9 2000 by ll'in, Nikiforov, Buslaev. CHEMISTRY Isomerism of Single-Charged Titanium(IV) Anions [TiFnCI s _nDMSO] - E. G. Irin, G. B. Nikiforov, and Academician Yu. A. Buslaev Received June 29, 2000 In our preceding paper [1], we studied the isomer- To assign the signals of the same multiplicity and of ism of octahedral molecular TiFnCI 4_ n(DMSO) 2 and nearly the same intensity, a 19F-19F COSY 2D spectrum cationic [TiFnCI3_n(DMSO)3] + complexes of mixed of this solution was measured at 235 K (Fig. 1). The lin- titanium halides. The inner sphere of these complexes ear additivity of ~9F NMR chemical shifts on the num- contains two or three molecular ligands, and the cis iso- mers with fluorine atoms located at the common coor- dinate with a molecular donor--DMSO---are the most 19F NMR parameters of the complex anions stable. In contrast, among the fluorochlorotitanate anions [TiCI 5 _ nFn(DMSO)]- in acetonitrile at 240 K [TiFnCI6_,~]2-, the trans isomers are the most stable [2]. In this study, by the redistribution reaction of halide ions between TiCI4(DMSO)
Doklady Chemistry – Springer Journals
Published: Dec 14, 2007
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