catena-Poly[[bis(N,N′-dimethylformamide)cadmium(II)]-μ2-oxalato]
نویسندگان
چکیده
The title compound, [Cd(C(2)O(4))(C(3)H(7)NO)(2)](n), is isostructural with its Mn(II) analogue. The structure comprises zigzag polymeric chains with the oxalate groups situated on inversion centres and the Cd(II) atoms located on twofold rotation axes. The coordination geometry around Cd(II) is distorted octa-hedral and the intra-chain Cd⋯Cd distance is 5.842 (1) Å. C-H⋯O hydrogen bonds exist between the parallel polymeric chains.
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catena-Poly[[bis(N,N-dimethylformamide-κO)zinc]-μ2-oxalato-κ4 O 1,O 2:O 1′,O 2′]
In the crystal structure of the title compound, [Zn(C(2)O(4))(C(3)H(7)NO)(2)](n), the Zn(II) ion is situated on a twofold rotation axis and has a distorted octa-hedral coordination geometry defined by the O atoms of two dimethyl-formamide mol-ecules and four O atoms of two bidentate oxalate ligands. The oxalate anion is located on an inversion centre and bridges two metal ions, resulting in a p...
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In the title compound, [Cd(C(2)N(3))(2)(C(3)H(7)NO)(2)], the Cd(2+) ion lies on an inversion center and adopts an octa-hedral coordination geometry, in which four N atoms from four different dicyanamide ligands lie in the equatorial plane and two dimethyl-formamide O atoms occupy the axial positions. The Cd atoms are connected by two dicyanamide ligands, resulting in a neutral chain propagating...
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In the title coordination polymer, [Cd(C(7)H(4)N(3)O(2))(2)(C(3)H(7)NO)(2)](n), the Cd(II) atom, lying on an inversion center, is six-coordinated in a distorted N(4)O(2) octa-hedral geometry. The N atoms of the 4-nitrophenylcyanamide anions form the equatorial plane and the O atoms of the dimethyl-formamide mol-ecules occupy the axial positions. The anions act as bridging ligands, connecting th...
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متن کاملA triclinic polymorph of catena-poly[[bis(N,N-dimethylformamide-κO)cobalt(II)]-di-μ-1,5-dicyanamido-κ4 N 1:N 5]
The title compound, [Co(C(2)N(3))(2)(C(3)H(7)NO)(2)](n), is a triclinic polymorph of the previously reported monoclinic structure [Tong et al. (2003 ▶). Acta Cryst. E59, m405-m407]. The Co(II) ion lies on an inversion centre and adopts an almost regular octa-hedral N(4)O(2) coordination geometry. Adjacent Co(II) atoms are connected by two bridging dicyanamide ligands, resulting in the formation...
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