DANIELS, MAM; MEHMET, N; TOCHER, DA; (1991) SYNTHESIS, CHARACTERIZATION AND CRYSTAL-STRUCTURE OF A DIRHODIUM(II) COMPOUND WITH 2 BRIDGING TRIFLUOROACETAMIDATE LIGANDS. J CHEM SOC DALTON (10) 2601 - 2606.
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The compound [Rh2(HNCOCF3)4] reacts with 1,10-phenanthroline (phen) in the presence of HCl to give two isomers of [Rh2(HNCOCF3)2(phen)2Cl2], 1a and 1b, which are readily distinguished by H-1 NMR spectroscopy. In contrast if the reaction is carried out in the presence of a non-acidic chloride source, tetrabutylammonium chloride, only a single isomer, 1a, is formed in appreciable amounts. Complex 1a reacts with pyridine in the presence of K[PF6] to give [Rh2(HNCOCF3)2(phen)2 (C5H5N)2][PF6]2, 2, which has been characterised by X-ray crystallography. For comparative purposes [Rh2(O2CCH3)2(phen)2(C5H5N)2][PF6]2, 3, has been prepared and crystallographically characterised.
|Title:||SYNTHESIS, CHARACTERIZATION AND CRYSTAL-STRUCTURE OF A DIRHODIUM(II) COMPOUND WITH 2 BRIDGING TRIFLUOROACETAMIDATE LIGANDS|
|Keywords:||MOLECULAR-STRUCTURE, ELECTROCHEMICAL CHARACTERIZATION, BIS(PYRIDINE) ADDUCT, COMPLEXES, RHODIUM(II), ACETAMIDATE, TRIPHENYLPHOSPHINE, SPECTROSCOPY, CHEMISTRY, ACETATE|
|UCL classification:||UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Chemistry|
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