Acta Crystallographica Section C

Crystal Structure Communications

Volume 63, Part 12 (December 2007)

metal-organic compounds

hj3060 scheme

Acta Cryst. (2007). C63, m610-m614    [ doi:10.1107/S0108270107058519 ]

The dinuclear copper(II) complexes di-[mu]-chlorido-bis­{[N,N'-bis­(4-chloro­benz­yl)propane-1,2-diamine]chloridocopper(II)} and di-[mu]-chlorido-bis­{[N,N'-bis­(3,4-methyl­enedioxy­benz­yl)­prop­ane-1,2-diamine]chloridocopper(II)}

S.-P. Yang, L.-J. Han, H.-T. Xia, D.-Q. Wang and Y.-F. Liu

Abstract: The two title dinuclear copper(II) complexes, [Cu2Cl4(C17H20Cl2N2)2], (I), and [Cu2Cl4(C19H22N2O4)2], (II), have similar coordination environments. In each complex, the asymmetric unit consists of one half-mol­ecule and the two copper centres are bridged by a pair of Cl atoms, resulting in complexes with centrosymmetric structures containing Cu([mu]-Cl)2Cu paral­lelogram cores; the Cu...Cu separations and Cu-Cl-Cu angles are 3.4285 (8) Å and 83.36 (3)°, respectively, for (I), and 3.565 (2) Å and 84.39 (7)° for (II). Each Cu atom is five-coordinated and the coordination geometry around the Cu atom is best described as a distorted square-pyramid with a [tau] value of 0.155 (3) for (I) and 0.092 (7) for (II). The apical Cu-­Cl bond length is 2.852 (1) Å for (I) and 2.971 (2) Å for (II). The basal Cu-Cl and Cu-N average bonds lengths are 2.2673 (9) and 2.030 (2) Å, respectively, for (I), and 2.280 (2) and 2.038 (6) Å for (II). The mol­ecules of (I) are linked by one C-H...Cl hydrogen bond into a complex [10\overline{1}] sheet. The mol­ecules of (II) are linked by one C-H...Cl and one N-H...O hydrogen bond into a complex [100] sheet.

Formula: [Cu2Cl4(C17H20Cl2N2)2] and [Cu2Cl4(C19H22N2O4)2]

hkldisplay filedownload file

Structure factor file (CIF format) (167.6 kbytes)
[ doi:10.1107/S0108270107058519/hj3060Isup2.hkl ]
Contains datablock I

hkldisplay filedownload file

Structure factor file (CIF format) (179.2 kbytes)
[ doi:10.1107/S0108270107058519/hj3060IIsup3.hkl ]
Contains datablock II


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