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Di-?-adipato-??O¹:O?-bis-{aqua-[5,6-di-phenyl-3-(pyridin-2-yl)-1,2,4-triazine-?²N²,N³]copper(II)}.

ABSTRACT: In the centrosymmetric binuclear title complex, [Cu?(C?H?O?)?(C??H??N?)?(H?O)?] or [Cu?(PDPT)?(C?H?O?)?(H?O)?] (PDPT = 3-(2-pyrid-yl)-5,6-diphenyl-1,2,4-triazine, the Cu atom displays a distorted square-pyramidal coordination environment with the basal plane occupied by two PDPT N atoms and two O atoms from different adipate dianions while a water mol-ecule is located at the apical position. Of the two water H atoms, one participates in an intra-molecular hydrogen bond whereas the second participates in an inter-molecular hydrogen bond, which leads to the formation of a chain along [010].

SUBMITTER: Xu W

PROVIDER: S-EPMC3393177 | biostudies-literature | 2012 Jul

REPOSITORIES: biostudies-literature

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Di-μ-adipato-κ⁴O¹:O⁶-bis-{aqua-[5,6-di-phenyl-3-(pyridin-2-yl)-1,2,4-triazine-κ²N²,N³]copper(II)}.

Xu Wei W Qi Jin-Li JL

Acta crystallographica. Section E, Structure reports online 20120613 Pt 7

In the centrosymmetric binuclear title complex, [Cu₂(C₆H₈O₄)₂(C₂₀H₁₄N₄)₂(H₂O)₂] or [Cu₂(PDPT)₂(C₆H₈O₄)₂(H₂O)₂] (PDPT = 3-(2-pyrid-yl)-5,6-diphenyl-1,2,4-triazine, the Cu atom displays a distorted square-pyramidal coordination environment with the basal plane occupied by two PDPT N atoms and two O atoms from different adipate dianions while a water mol-ecule is located at the apical position. Of the two water H atoms, one participates in an intra-molecular hydrogen bond whereas the second partici ...[more]

PMID: 22807745

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Di-?-glutarato-?(4)O(1):O(5)-bis-{aqua-[5,6-diphenyl-3-(pyridin-2-yl)-1,2,4-triazine-?(2)N(2),N(3)]copper(II)}.

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catena-Poly[[di-?-aqua-bis[aqua-cobalt(II)]]-bis(?(3)-1H-benzimidazole-5,6-dicarboxylato].

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Bis[triaqua-(1H-1,2,4-triazole-3,5-dicarboxyl-ato-?O,N)copper(II)] di-?-aqua-bis-[diaqua-(1H-1,2,4-triazole-3,5-dicarboxyl-ato-?O,N)copper(II)].

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| S-EPMC2977176 | biostudies-literature

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Tris(3-amino-5,6-dimethyl-1,2,4-triazine-κN)silver(I) trifluromethane-sulfonate-3-amino-5,6-dimethyl-1,2,4-triazine (1/1).

Project description:The asymmetric unit of the title compound, [Ag(C(5)H(8)N(4))(3)](CF(3)O(3)S)·C(5)H(8)N(4), contains two cations, two anions and two uncoordinated 3-amino-5,6-dimethyl-1,2,4-triazine (admt) ligands. It was prepared from the reaction of silver trifluoro-methane-sulfonate and admt in a 2:3 molar ratio. Both silver(I) ions are bonded to three admt mol-ecules via their 2-position triazine N atoms in almost regular trigonal-planar geometries. Three intra-molecular N-H⋯N hydrogen bonds between adjacent admt mol-ecules in each cation help to maintain their overall near planarities (r.m.s. deviations for the 28 non-H atoms = 0.139 and 0.153 Å). In the crystal, numerous N-H⋯N, N-H⋯O, C-H⋯O, C-H⋯N and C-H⋯F hydrogen-bonding interactions link the components into a three-dimensional network.

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Project description:In the mol-ecule of the title compound, C(20)H(14)N(4), the triazine ring is attached to two phenyl rings and one pyridine ring. In the crystal, mol-ecules are linked by inter-molecular C-H⋯N hydrogen bonds. The crystal packing is also stabilized by C-H⋯π inter-actions.

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catena-Poly[[[aqua-copper(II)]-bis-[?-N,N'-bis-(pyridin-4-yl)isophthalamide]-[aqua-copper(II)]-di-?-sulfato] dimethyl-formamide disolvate].

Project description:In the title coordination polymer, {[Cu(SO4)(C18H14N4O2)(H2O)]·C3H7NO} n , the Cu(II) ion is coordinated by two N atoms of two briding N,N'-bis-(pyridin-4-yl)isophthalamide ligands, two O atoms of two bridging SO4(2-) anions and a water mol-ecule, giving a distorted CuN2O3 square-pyramidal geometry. The whole repeating mol-ecular unit is generated by inversion symmetry. This leads to the formation of a looped-chain one-dimensional coordination polymer propagating along [110]. The dimethyl-formamide (DMF) mol-ecules are linked to the chains via O-H?O hydrogen bonds. The chains are linked via N-H?O hydrogen bonds, forming two-dimensional networks parallel to (001). There are also a number of C-H?O inter-actions present and a parallel slipped ?-? inter-action. The latter involves inversion-related pyridine rings with a centroid-centroid distance of 3.594?(2)?Å [normal distance = 3.3338?(13) and slippage = 1.341?Å]. These inter-actions lead to the formation of a three-dimensional structure.

| S-EPMC3588534 | biostudies-other

catena-Poly[[[di-aqua-bis-[1,2-bis-(pyridin-4-yl)diazene]copper(II)]-?-1,2-bis-(pyridin-4-yl)diazene] bis-(perchlorate)].

Project description:In the title compound, {[Cu(C10H8N4)3(H2O)2](ClO4)2} n , the coordination environment of the cationic Cu(II) atom is distorted octa-hedral, formed by pairs of symmetry-equivalent 1,2-bis-(pyridin-4-yl)diazene ligands, bridging 1,2-bis-(pyridin-4-yl)diazene ligands and two non-equivalent water mol-ecules. The 1,2-bis-(pyridin-4-yl)diazene mol-ecules form polymeric chains parallel to [-101] via azo bonds which are situated about inversion centres. Since the Cu(II) atom is situated on a twofold rotation axis, the monomeric unit has point symmetry 2. The perchlorate anions are disordered in a 0.536?(9):0.464?(9) ratio and are acceptors of water H atoms in medium-strong O-H?O hydrogen bonds with graph set R 4 (4)(12). The water mol-ecules, which are coordinated to the Cu(II) atom and are hydrogen-bonded to the perchlorate anions, form columns parallel to [010]. A ?-? inter-action [centroid-centroid distance = 3.913?(2)?Å] occurs between pyridine rings, and weak C-H?O inter-actions also occur.

| S-EPMC3684881 | biostudies-other

Poly[[di-aqua-[?-1,4-bis(pyridin-4-ylmeth-yl)piperazine-?(2) N:N']{?-2,2'-[(1,4-phenyl-ene)bis(-oxy)]di-acetato-?(2) O:O'}cobalt(II)] penta-hydrate].

Project description:In the title compound, {[Co(C10H8O6)(C16H20N4)(H2O)2]·5H2O} n , octa-hedrally coordinated Co(II) ions on crystallographic inversion centres are bound by trans O atoms belonging to two hydro-quinone-O,O'-di-acetate (hqda) anions {systematic name: 2,2'-[(1,4-phenyl-ene)bis-(-oxy)]di-acetate}, two trans-pyridine N-donor atoms from two bis-(pyridin-4-ylmeth-yl)piperazine (4-bpmp) ligands, and two trans aqua ligands. The exobidentate hqda and 4-bpmp ligands form [Co(hqda)(4-bpmp)(H2O)2] n coordination polymer layers parallel to (110) that are anchored into the full crystal structure by O-H?O hydrogen bonding between aqua ligands and ligated hqda O atoms. Disordered water mol-ecules of crystallization occupy incipient channels along [100]. However, these could not modeled reliably and so they were treated with SQUEEZE in PLATON [Spek (2009 ?). Acta Cryst. D65, 148-155]; the crystal data take the presence of these mol-ecules into account. The crystal under investigation was twinned by non-merohedry, the twin fraction of the components being 53.3% and 46.7%. Only data from the major twin component were used in the refinement.

| S-EPMC4051029 | biostudies-literature

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