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Poly[(?-3,5-dinitro-benzoato)(?-3,5-dinitro-benzoic acid)rubidium].

ABSTRACT: The asymmetric unit of the title compound, [Rb(C(7)H(3)N(2)O(6))(C(7)H(4)N(2)O(6))](n), comprises an Rb(+) cation, a 3,5-dinitro-benzoate anion and a 3,5-dinitro-benzoic acid ligand. The Rb(+) cation is nine-coordinated by O atoms from four 3,5-dinitro-benzoate anions and three neutral 3,5-dinitro-benzoic acid ligands. The metal atom is firstly linked by four bridging carboxyl groups, forming a binuclear motif, which is further linked by the nitro groups into a two-dimensional framework along the [110] direction. A short O-H?O hydrogen bond between two adjacent carboxy/carboxylate groups occurs.

SUBMITTER: Miao Y

PROVIDER: S-EPMC3212130 | biostudies-literature | 2011 Aug

REPOSITORIES: biostudies-literature

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Poly[(μ-3,5-dinitro-benzoato)(μ-3,5-dinitro-benzoic acid)rubidium].

Miao Yanqing Y Fan Tao T

Acta crystallographica. Section E, Structure reports online 20110706 Pt 8

The asymmetric unit of the title compound, [Rb(C(7)H(3)N(2)O(6))(C(7)H(4)N(2)O(6))](n), comprises an Rb(+) cation, a 3,5-dinitro-benzoate anion and a 3,5-dinitro-benzoic acid ligand. The Rb(+) cation is nine-coordinated by O atoms from four 3,5-dinitro-benzoate anions and three neutral 3,5-dinitro-benzoic acid ligands. The metal atom is firstly linked by four bridging carboxyl groups, forming a binuclear motif, which is further linked by the nitro groups into a two-dimensional framework along th ...[more]

PMID: 22090832

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Poly[(μ-2-hy-droxy-3,5-dinitro-benzoato)rubidium].

Project description:The asymmetric unit of the title compound, [Rb(C(7)H(3)N(2)O(7))](n), comprises an Rb(+) cation and a 3,5-dinitro-salicylate ligand. The Rb(+) cation is 10-coordinated by O atoms from eight 3,5-dinitro-salicylate anions and is linked by three μ(2)-O atoms, forming a zigzag chain along the b-axis direction, which is further linked by the phenyl groups, giving the three-dimensional framework. The crystal structure involves intra-anionic O-H⋯O hydrogen bonds and strong π-π stacking inter-actions [centroid-centroid distance = 3.6755 (7) Å].

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Project description:In the structure of the title coordination polymer, [K(C(8)H(5)N(2)O(6))](n), each ligand bridges six K(+) cations. The carboxyl-ate group coordinates both bidentately to one K(+) ion and monodentately to two K(+) ions, while one nitro group coordinates bidentately to a fourth K(+) ion. The last two K(+) ions are coordinated by the remaining nitro group, one in a bidentate fashion, the other monodentately through one O atom. This bridging mode results in a three-dimensional network. The coordination geometry of the K(+) ion is represented by an irregular KO(9) polyhedron. Very weak C-H?O inter-actions are observed in the crystal structure.

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3-Amino-benzonitrile-3,5-dinitro-benzoic acid (1/1).

Project description:The asymmetric unit of the title co-crystal, C(7)H(6)N(2)·C(7)H(4)N(2)O(6), contains two formula units of both components. The crystal structure is stabilized by inter-molecular O-H⋯O, N-H⋯O, N-H⋯N and C-H⋯O hydrogen bonds, generating a two-dimensional wave-like network. π-π stacking inter-actions [centroid-centroid distances = 3.702 (2), 3.660 (2)and 3.671 (2) Å] stabilize the crystal packing.

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Project description:The title compound, [Co(C(2)H(2)N(3))(C(7)H(3)N(2)O(6))](n), was obtained by the reaction of CoCl(2), triazole and 3,5-dinitro-benzoic acid in a 1:1:1 ratio. The Co centre is in a distorted tetrahedral coordination by three N atoms of three different triazole ligands and one O atom of the 3,5-dinitrobenzoate anion.

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Poly[(?(5)-2-methyl-3,5-dinitro-benzoato)sodium].

Project description:In the crystal of the title coordination polymer, [Na(C(8)H(5)N(2)O(6))](n), the Na(I) ion is linked to five nearby anions. Their bonding modes are three monodentate carboxyl-ate O atoms, one O,O'-bidentate carboxyl-ate group and one O,O'-bidentate nitro group. This results in an irregular NaO(7) coordination geometry for the metal ion. This connectivity leads to a layered network propagating in (100).

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Bis(?-3,5-dinitro-benzoato-?O:O)bis-(?-3,5-dinitro-benzoato)-?O,O:O;?O:O,O-bis-[(3,5-dinitro-benzoato-?O,O)(1,10-phenanthroline-?N,N)dysprosium(III)].

Project description:In the binuclear title complex, [Dy(2)(C(7)H(3)N(2)O(6))(6)(C(12)H(8)N(2))(2)], the Dy(III) ions exhibit a distorted monocapped square-anti-prismatic geometry and are coordinated by seven O atoms of four 3,5-dinitrobenzoate (DNBA) anions and two N atoms of a phenanthroline ligand. The carboxylate groups of the DNBA anions exhibit three coordination modes: bidentate chelating, bidentate chelating-bridging and tridentate chelating-bridging. The center of the mol-ecule is located on a crystallographic center of inversion.

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Poly[?(3)-aqua-aqua(?(3)-3,5-dinitro-benzoato-?O(1):O(3):O(5))caesium].

Project description:In the structure of the title complex, [Cs(C(7)H(3)N(2)O(6))(H(2)O)(2)](n), the Cs salt of 3,5-dinitro-benzoic acid, the metal complex centres have have irregular CsO(8) coordination, comprising two water mol-ecules (one triply bridging and the other monodentate) and four O-atom donors from two nitro groups and one bridging carboxyl-ate O-atom donor from the ligand. Intra-unit O-H?O hydrogen-bonding inter-actions involving both water mol-ecules are observed in the three-dimensional polymeric complex structure.

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