catena-Poly[[[diaquabis(8-hydroxyquinoline N-oxide-κO 1)cobalt(II)]-μ-2,5-dimethylpyrazine 1,4-dioxide-κ2 O 1:O 4] bis(perchlorate)]
نویسندگان
چکیده
In the title complex, {[Co(C(6)H(8)N(2)O(2))(C(9)H(7)NO(2))(H(2)O)(2)](ClO(4))(2)}(n), the Co(II) ion lies on an inversion centre and is coordinated in a slightly distorted octa-hedral environment. The 2,5-dimethyl-pyrazine 1,4-dioxide ligand, which also lies on an inversion center, acts as a bridging ligand, linking symmetry-related Co(II) ions [Co⋯Co = 8.669 (3) Å] and forming one-dimensional chains along the b axis. In the crystal structure, these chains are linked by inter-molecular aqua-perchlorate O-H⋯O hydrogen bonds, forming two-dimensional layers which are in turn connected into a three-dimensional network via π-π stacking inter-actions between quinoline rings, with a centroid-centroid distance of 3.580 (3) Å. An intermolecular O-H⋯Cl inter-action is also present.
منابع مشابه
catena-Poly[[[(dimethylmalonato-κ2 O:O′)(perchlorato-κO)copper(II)]-μ-bis(3-pyridylmethyl)piperazinediium-κ2 N 1′:N 4′] perchlorate dihydrate]
In the title compound, {[Cu(C(5)H(6)O(4))(ClO(4))(C(16)H(22)N(4))]ClO(4)·2H(2)O}(n), square-pyramidally coordinated Cu atoms with perchlorate and dimethyl-malonate ligands are connected into cationic sinusoidal coordination polymer chains by doubly protonated bis-(3-pyridylmeth-yl)piperazine (3-bpmp) ligands. The chains aggregate into pseudo-layers parallel to the (101) crystal planes by N-H⋯O ...
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In the title compound, [Co(NO(3))(2)(C(18)H(16)N(2)O(2))(2)](n), the Co(II) ion is located on an inversion center and is six-coordinated in an octa-hedral environment defined by four N atoms of the pyridine rings and two O atoms of the nitrate anions. The ligands link the Co(II) ions into a linear chain running along [201]. One O atom of the nitrate ligand is disordered over two positions with ...
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In the title heterodinuclear complex, [CuNa(C(8)H(7)O(3))(2)(ClO(4))(CH(3)OH)](n), the Cu(II) ion is five-coordinated by four O atoms from two 2-formyl-6-meth-oxy-phenolate anions and one O atom from a perchlorate anion in a distorted square-pyramidal geometry. The Na(+) ion is six-coordinated by four O atoms from two 2-formyl-6-meth-oxy-phenolate ligands, one O atom of a methanol mol-ecule and...
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The 4,4'-bipyridine spacer in the title compound, [Co(C(10)H(8)NO(2))(2)(C(10)H(8)N(2))(H(2)O)(2)]·4H(2)O, links the diaqua-cobalt(II) dicarboxyl-ate units into a linear chain; the metal atom lies on a center of inversion in an octa-hedral environment. The coordinated and uncoordinated water mol-ecules inter-act through O-H⋯O hydrogen bonds to form a three-dimensional network.
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In the title compound, [Co(C(8)H(4)O(4))(C(5)H(8)N(2))(2)](n), each cobalt(II) ion is coordinated by two N and two O atoms in a distorted tetra-hedral geometry. The isophthalate ligands bridge the metal ions to form polymeric zigzag chains extending along the b axis. Weak C-H⋯O inter-actions contribute to the crystal packing stability.
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عنوان ژورنال:
دوره 66 شماره
صفحات -
تاریخ انتشار 2010