Heterotetranuclear Cu_2~IPd_2~Ⅱ Complex with Bis(diphenylphosphino)methane and Diethyldithiocarbam

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Self-assembly between the building blocks of Pd(Et2dtc)2 (Et2dtc = diethyldithio- carbamate) and [Cu2(m-dppm)2(MeCN)2]2+ (dppm = bis(diphenylphosphino)methane) gave a new heterotetranuclear complex [Cu2Pd2(m-dppm)2(m-Et2dtc)2(m3-Et2dtc)2](ClO4)2H2O (C70H86Cl2Cu2- N4O9P4Pd2S8, Mr = 1932.56), and its crystal structure has been determined by X-ray crystallo- graphy. It crystallizes in triclinic, space group P with a = 11.9834(6), b = 12.5624(6), c = 14.5603(8) ? a = 101.393 (1), b = 103.300 (1), g = 96.310(1), V = 2063.2(2) 3, Z = 1, Dc = 1.544 g/cm3, m(MoKa) = 1336 cm-1 and F(000) = 978. The total and unique reflections are 8710 and 5400, respectively. The structure was refined to R = 0.0860 and wR = 0.1996 for 3914 observed reflections with I > 2s(I). The title complex consists of the cation [Cu2Pd2(m-dppm)2(m-Et2dtc)2(m3- Et2dtc)2]2+, anion ClO4- and solvate H2O. The Pd(Ⅱ) atoms are located at the approximately square-planar environments with PS3 donors and the Cu(I) atoms display distorted tetrahedral geometries. Self-assembly between the building blocks of Pd (Et2dtc) 2 (Et2dtc = diethyldithio-carbamate) and [Cu2 (m-dppm) 2 (MeCN) 2] 2+ (dppm = bis (diphenylphosphino) methane) gave a new heterotetranuclear complex [Cu2Pd2 (m-dppm) 2 (m-Et2dtc) 2 (m3-Et2dtc) 2] (ClO4) 2H2O (C70H86Cl2Cu2- N4O9P4Pd2S8, Mr = 1932.56), and its crystal structure has been determined by X-ray crystal theory. It crystallizes in triclinic, space group P with a = 11.9834 (6), b = 12.5624 (6), c = 14.5603 (8)? A = 101.393 (1), b = 103.300 (1), g = 96.310 , V = 2063.2 (2) 3, Z = 1, Dc = 1.544 g / cm3, m (MoKa) = 1336 cm -1 and F (000) = 978. The total and unique reflections are 8710 and 5400, respectively. The title complex consists of the cation [Cu2Pd2 (m-dppm) 2 (m-Et2dtc) 2 (m3-Et2dtc) 2 ] 2+, anion ClO4- and solvate H2O. The Pd (II) atoms are located at the approximate square-planar environments with PS3 donors and the Cu (I) atoms display di storted tetrahedral geometries.
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