Copper(I) Complexes with N-Allylquinolinium Bromide [C9H7N(C3H5)]CuBr2 and [C9H7N(C3H5)]Cu2Br3: Synthesis and Crystal Structure |
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Authors: | Pavlyuk A V Davydov V N Mys'kiv M G |
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Institution: | (1) Franko State University, ul. Lomonosova 8, Lviv, 290005, Ukraine |
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Abstract: | Crystals of 97N(35)]uBr2 (IV) and 97N(35)]u2Br3] (V) were prepared by ac electrochemical synthesis from uBr2, N-allylquinolinium bromide, on copper electrodes in the ethanol–benzene medium. X-ray diffraction study has shown that crystals IV and V are monoclinic: space group A21/a, a = 13.776(3) Å, b = 14.304(3) Å, c = 13.147(2) Å, = 107.90(1) Å, V = 2465(2) Å3, Z = 8 for IV and space group P21/n, a = 13.881(2) Å, b = 15.446(2) Å, c = 7.111(1) Å, = 104.64(1)°, V = 1475.0(8) Å3, Z = 4 for V. Structures IV and V are built of the N-allylquinolinium cations and different anions i.e., (CuBr2)
n-
n forming infinite chains in IV and peculiar {CuI
4Br6]2–}
n
arranged in polymeric chains in V. In the latter case, two independent metal atoms have trigonal–pyramidal and trigonal–planar environments. In the structures of both compounds, the C=C bond of the allyl group is not involved in coordination with the Cu(I) atom. |
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