Structural properties of some dimeric Cu(I) 1,2-bis(diphenylphosphino)ethane complexes with carboxy- and dithiocarboxy-arylates. X-ray crystal structures of [bis(benzoato-O)-bis{1,2-bis(diphenylphosphino)ethane}-μ-1,2-bis(diphenylphosphino)ethanedicopper(I)]·4H2O and [bis(dithio-o-toluato,SS′)-bis{μ-1,2-bis(diphenylphosphino)ethane}dicopper(I)]
作者： Marina Biagini-Cingi , Anna-Maria Manotti-Lanfredi , Franco Ugozzoli , Annamaria Camus , Nazario Marsich
DOI: 10.1016/S0020-1693(97)05487-X
关键词: Monoclinic crystal system 、 Ion 、 Chelation 、 Chemistry 、 Crystal structure 、 1,2-Bis(diphenylphosphino)ethane 、 X-ray 、 Crystallography 、 Denticity
摘要: Abstract The X-ray diffraction structures of [{Cu(O2CC6H5)dppe}2-μ-dppe]·4H2O (I) and [{Cu(S2C-o-tolyl)-μ-dppe}2] (II) (dppe=1,2-bis(diphenylphosphino)ethane) are reported. Crystals I monoclinic, space group C2/c, with a=27.690(3), b=14.903(2), c=22.013(3) A, β=106.68(2)°, Z=4; crystals II P21/n, a=12.082(4), b=21.952(7), c=13.028(5) β=112.91(2)°, Z=2. Both compounds consist dinuclear centrosymmetric complexes the Cu(I) ions bridged by one dppe in two II. distorted tetrahedral coordination around ions, observed both compounds, is completed P atoms a chelating O atom monodentate benzoato S dithio-o-toluato.
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