Journal of the Chemical Society, Dalton Transactions p. 773 - 780 (1994)
Update date:2022-08-05
Topics:
Hart, Robert D.
Healy, Peter C.
Hope, Gregory A.
Turner, Duncan W.
White, Allan H.
Bis(triphenylphosphine)copper(I) fluoroacetate complexes have been prepared by the electrochemical oxidation of copper metal in acetonitrile solutions of triphenylphosphine and mono-, di- and tri-fluoroacetic acid respectively.Recrystallization from toluene yields unsolvated mononuclear complexes a with cell dimensions a ca. 18.0, b ca. 11.0 and c ca. 19.3 Angstroem and β ca. 120 deg.Residuals for the complexes with n = 1, 2 and 3 were R = 0.077, 0.045 and 0.048 for 3677, 2789 and 3527 'observed' 3?(I)> reflections respectively.The bond distances Cu-P are 2.232(3), 2.222(3); 2.234(2), 2.219(2); and 2.235(2) 2.228(2) Angstroem with the corresponding P-Cu-P angles increasing from 135.0(1) to 135.8(1) to 136.7(1) deg, this latter value being the largest recorded for a ca. 22.2, b ca. 18.5, c ca. 9.0 Angstroem) with monodentate carboxylate and co-ordinated ethanol; the monofluoroacetate is unsolvated.For
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