[μ-1,2-Bis(4-pyridyl)ethene-κ2 N:N′]bis[aqua(pyridine-2,6-dicarboxylato-κ3 O 2,N,O 6)copper(II)] dihydrate
نویسنده
چکیده
In the title dinuclear Cu(II) complex, [Cu(2)(C(7)H(3)NO(4))(2)(C(12)H(10)N(2))(H(2)O)(2)]·2H(2)O, the water-coordinated Cu(II) cation is O,N,O'-chelated by a pyridine-2,6-dicarboxyl-ate (pdc) dianion, and one pyridine N atom from a 1,2-bis-(4-pyrid-yl)ethene ligand coordinates to the Cu(II) cation, completing the CuN(2)O(3) distorted square-pyriamidial geometry. The Cu-O(water) bond [2.388 (4) Å] in the axial direction is much longer than the other Cu-O bonds. The 1,2-bis-(4-pyrid-yl)ethene ligand is located across an inversion center with the mid-point of the C=C bond at the inversion center, and bridges two Cu(II) cations, generating a centrosymmetric dinuclear complex. The crystal structure is stabilized by classical O-H⋯O and weak C-H⋯O hydrogen bonds.
منابع مشابه
catena-Poly[[[aqua(pyridine-2,6-dicarboxylato N-oxide-κ2 O 1,O 2)cobalt(II)]-μ-1,3-di-4-pyridylpropane-κ2 N:N′] dihydrate]
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