Zeitschrift fur Anorganische und Allgemeine Chemie p. 1728 - 1736 (2015)
Update date:2022-08-24
Topics:
Walia, Simran
Kaur, Supreet
Kaur, Jaspreet
Sandhu, Amanpreet K.
Lobana, Tarlok S.
Hundal, Geeta
Jasinski, Jerry P.
Copper(I) halides with triphenyl phosphine and imidaozlidine-2-thiones (L-NMe, L-NEt, and L-NPh) in acetonitrile/methanol (or dichloromethane) yielded copper(I) mixed-ligand complexes: mononuclear, namely, [CuCl(κ1-S-L-NMe)(PPh3)2] (1), [CuBr(κ1-S-L-NMe)(PPh3)2] (2), [CuBr(κ1-S-L-NEt)(PPh3)2] (5), [CuI(κ1-S-L-NEt)(PPh3)2] (6), [CuCl(κ1-S-L-NPh)(PPh3)2] (7), and [CuBr(κ1-S-L-NPh)(PPh3)2] (8), and dinuclear, [Cu2(κ1-I)2(μ-S-L-NMe)2(PPh3)2] (3) and [Cu2(μ-Cl)2(κ1-S-L-NEt)2(PPh3)2] (4). All complexes were characterized with analytical data, IR and NMR spectroscopy, and X-ray crystallography. Complexes 2-4, 7, and 8 each formed crystals in the triclinic system with Pβar{1}$ space group, whereas complexes 1, 5, and 6 crystallized in the monoclinic crystal system with space groups P21/c, C2/c, and P21/n, respectively. Complex 2 has shown two independent molecules, [(CuBr(κ1-S-L-NMe)(PPh3)2] and [CuBr(PPh3)2] in the unit cell. For X = Cl, the thio-ligand bonded to metal as terminal in complex 4, whereas for X = I it is sulfur-bridged in complex 3.
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