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Diaqua-(5-carb-oxy-benzene-1,3-di-carboxyl-ato-?O)(4,4'-dimethyl-2,2'-bipyridine-?N,N')zinc.

ABSTRACT: In the title compound, [Zn(C(9)H(4)O(6))(C(12)H(12)N(2))(H(2)O)(2)], the Zn(II) atom is five-coordinated by two N atoms from a 4,4'-dimethyl-2,2'-bipyridine ligand, one O atom from a 5-carb-oxy-benzene-1,3-dicarboxyl-ate ligand and two water mol-ecules in a distorted trigonal-bipyramidal geometry. The complex mol-ecules are linked by inter-molecular O-H?O hydrogen bonds and partly overlapping ?-? inter-actions [centroid-centroid distance = 4.017?(2)?Å] into a three-dimensional supra-molecular network.

SUBMITTER: Mei CZ

PROVIDER: S-EPMC3120513 | biostudies-literature | 2011 Jun

REPOSITORIES: biostudies-literature

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Diaqua-(5-carb-oxy-benzene-1,3-di-carboxyl-ato-κO)(4,4'-dimethyl-2,2'-bipyridine-κN,N')zinc.

Mei Chong-Zhen CZ Li Kai-Hui KH Shan Wen-Wen WW

Acta crystallographica. Section E, Structure reports online 20110528 Pt 6

In the title compound, [Zn(C(9)H(4)O(6))(C(12)H(12)N(2))(H(2)O)(2)], the Zn(II) atom is five-coordinated by two N atoms from a 4,4'-dimethyl-2,2'-bipyridine ligand, one O atom from a 5-carb-oxy-benzene-1,3-dicarboxyl-ate ligand and two water mol-ecules in a distorted trigonal-bipyramidal geometry. The complex mol-ecules are linked by inter-molecular O-H⋯O hydrogen bonds and partly overlapping π-π inter-actions [centroid-centroid distance = 4.017 (2) Å] into a three-dimensional supra-molecular ne ...[more]

PMID: 21754680

Similar Datasets

Diaqua-(5-carb-oxy-benzene-1,3-dicarboxyl-ato-κO,O)(6,6'-dimethyl-2,2'-bipyridine-κN,N')nickel(II) hepta-hydrate.

Project description:In the title compound, [Ni(C(9)H(4)O(6))(C(12)H(12)N(2))(H(2)O)(2)]·7H(2)O, the Ni(II) atom is six-coordinated by two O atoms from a chelating carboxyl-ate group of a 5-carb-oxy-benzene-1,3-dicarboxyl-ate ligand, two O atoms of two water mol-ecules and two N atoms from a 6,6'-dimethyl-2,2'-bipyridine ligand in a distorted octa-hedral geometry. The compound exhibits a three-dimensional supra-molecular structure composed of the complex mol-ecules and lattice water mol-ecules, which are linked together by inter-molecular O-H⋯O hydrogen bonds and partly overlapping π-π inter-actions between the pyridine and benzene rings [centroid-centroid distances = 3.922 (2) and 3.921 (2) Å]. One of the lattice water mol-ecules is disordered over two positions in an occupancy ratio of 0.521 (6):0.479 (6).

| S-EPMC3200942 | biostudies-literature

Poly[diaqua-bis(2,2'-bipyridine)tris-(?(4)-2,2'-bipyridine-4,4'-dicarboxyl-ato)dineodymium(III)].

Project description:In the crystal structure of the title mixed-ligand coordination polymer, [Nd(2)(C(12)H(6)N(2)O(4))(3)(C(10)H(8)N(2))(2)(H(2)O)(2)](n), the Nd(III) ion is in an octa-hedral coordination environment formed by one water mol-ecule, one chelating 2,2'-bipyridine ligand, and five monodentate carboxyl-ate groups. The local coordination polyhedron around the Nd(III) ion is a bicapped trigonal prism. Two Nd(III) centers are bridged by four carboxyl-ate groups to form an Nd(2) dimeric unit; these are further connected by 2,2'-bipyridine-4,4'-dicarboxyl-ate linkers, resulting in a layered coordination network.

| S-EPMC2915173 | biostudies-literature

2,2'-Dimethyl-4,4'-bipyridine.

Project description:In the crystal structure of the title compound, C(12)H(12)N(2), the mol-ecule is twisted around the central C-C bond, with a dihedral angle of 8.32?(5)° between the mean planes of the pyridyl rings. The crystal structure is stabilized by arene stacking inter-actions, with a distance of 3.81?(1)?Å between the ring centroids.

| S-EPMC2961716 | biostudies-literature

(2,2'-Bipyridine-6,6'-dicarboxyl-ato-?N,N',O)(6'-carb-oxy-2,2'-bipyridine-6-carboxyl-ato-?N,N',O)rhodium(III).

Project description:The Rh(III) ion in the title compound, [Rh(C(12)H(6)N(2)O(4))(C(12)H(7)N(2)O(4))], is coordinated by four N atoms and two O atoms from two chelating ligands L and HL (H(2)L = 2,2'-bipyridine-6,6'-dicarb-oxy-lic acid) to form a distorted octa-hedral geometry. Face-to-face ?-stacking inter-actions are observed between inversion-related pyridine rings, with a centroid-to-centroid distance of 3.581?(1)?Å [the perpendicular distance between the rings is 3.3980?(7)?Å]. Inter-molecular O-H?O hydrogen bonds link adjacent mol-ecules into one-dimensional supra-molecular chains along the c axis, while several inter-molecular C-H?O inter-actions are also observed.

| S-EPMC3297246 | biostudies-literature

Poly[[bis-(2,2-bipyridine)-bis-[?(6)-5-(carboxyl-atometh-oxy)benzene-1,3-dicarboxyl-ato]trimanganese(II)] monohydrate].

Project description:The title compound, {[Mn(3)(C(10)H(5)O(7))(2)(C(10)H(8)N(2))(2)]·H(2)O}(n), was synthesized under hydro-thermal conditions. Six carboxyl-ate groups of six 5-(carboxyl-atometh-oxy)benzene-1,3-dicarboxyl-ate anions (OABDC(3-)) join three Mn(II) ions into a trinuclear centrosymmetric [Mn(3)(?(2)-COO)(6)] unit with one Mn site situated on a centre of inversion. The latter Mn(II) ion exhibits a distorted MnO(6) coordination, whereas the other Mn(II) ion has a trigonal-bipyramidal MnN(2)O(3) coordination environment resulting from three carboxylate O atoms and the two N atoms of the bipyridine ligand. Adjacent units are linked to each other by OABDC(3-) ligands into a layer parallel to (010). Within the layer, O-H?O hydrogen-bonding inter-actions involving the uncoordinated and half-occupied water mol-ecule and the free carboxyl-ate O atoms are observed. The layers stack along [010], constructing a three-dimensional structure through ?-? inter-actions between adjacent pyridine rings, with a centroid-centroid distance of 3.473?(5)?Å.

| S-EPMC3051434 | biostudies-literature

Bis(?-biphenyl-2,2'-dicarboxyl-ato)bis-[aqua-(4,4'-dimethyl-2,2'-bipyridine-?N,N')copper(II)].

Project description:The mol-ecule of the title binuclear copper(II) complex, [Cu(2)(C(14)H(8)O(4))(2)(C(12)H(12)N(2))(2)(H(2)O)(2)], is bis-ected by a crystallographic twofold axis. Each Cu(II) atom is coordinated in a distorted octa-hedral geometry by three O atoms from two biphen-yl-2,2'-dicarboxyl-ate anions, one aqua O atom and two N atoms of a 4,4'-dimethyl-2,2'-bipyridine ligand. Intramolecular O-H?O hydrogen bonds between the coordinated water molecules and the carboxylate O atoms are also present.

| S-EPMC2971185 | biostudies-literature

catena-Poly[[[(2,2'-bipyridine-?N,N')(dimethyl sulfoxide-?O)(nitrato-?O,O')bis-muth(III)]-?-5-carb-oxy-benzene-1,3-dicarboxyl-ato-?O,O:O,O] dimethyl sulfoxide monosolvate].

Project description:The polymeric title compound, {[Bi(C(9)H(4)O(6))(NO(3))(C(10)H(8)N(2))(C(2)H(6)OS)]·C(2)H(6)OS}(n), was obtained by the reaction of bis-muth(III) nitrate, bipyridine (bpy) and 1,3,5-benzene-tricarb-oxy-lic acid (H(3)BTC). The Bi(III) ion is coordinated in a distorted tricapped trigonal-prismatic geometry, defined by two N atoms of the bipy ligand, four O atoms of two HBTC(2-) anions, two O atoms of a nitrate anion and one O atom of a dimethyl sulfoxide ligand. The crystal packing is stabilized by O-H?O and C-H?O hydrogen bonds. The S atom of the non-coordinating dimethyl sulfoxide mol-ecule is disordered over two sets of sites with refined site-occupancies of 0.430?(19) and 0.570?(19).

| S-EPMC3052002 | biostudies-literature

Diaqua-(2,2'-bipyridine-6,6'-dicarboxyl-ato)nickel(II).

Project description:In the title compound, [Ni(C(12)H(6)N(2)O(4))(H(2)O)(2)], the Ni(II) atom (site symmetry 2) displays a distorted cis-NiN(2)O(4) octa-hedral coordination geometry with two N atoms and two O atoms of the tetra-dentate 2,2'-bipyridine-6,6'-dicarboxyl-ate ligand in the equatorial plane and two water mol-ecules in axial positions. The complete dianionic ligand is generated by crystallographic twofold symmetry. In the crystal, a two-dimensional supra-molecular structure parallel to (001) is formed through O-H?O hydrogen-bond inter-actions between the coordinated water mol-ecules and the O atoms of nearby carboxyl-ate groups.

| S-EPMC3120548 | biostudies-literature

Bis(6'-carb-oxy-2,2'-bipyridine-6-carboxyl-ato-?N,N',O)nickel(II) tetra-hydrate.

Project description:In the title compound, [Ni(C(12)H(7)N(2)O(4))(2)]·4H(2)O, the Ni atom is located at the centre of a distorted octa-hedron, formed by four N atoms and two O atoms from the same two tridentating chelated 6-carb-oxy-2,2'-bipyridine-6'-carboxyl-ate (L) ligands. Face-to-face ?-stacking inter-actions between inversion-related pyridine rings with centroid-centroid distances of 3.548?(3) and 3.662?(3)?Å (perpendicular distances between the respective rings are 3.314 and 3.438?Å) are found. Inter-molecular O-H?O hydrogen bonds between water mol-ecules and L ligands form R(5) (3)(10), R(6) (5)(14) and R(5) (5)(12) rings and also a centrosymmetric cage-like unit of water mol-ecules, which link eight adjacent Ni(II) centers, forming a three-dimensional framework.

| S-EPMC2968579 | biostudies-literature

(4,4'-Dimethyl-2,2'-bipyridine-?N,N')diiodidomercury(II).

Project description:In the mol-ecule of the title compound, [HgI(2)(C(12)H(12)N(2))], the Hg(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from the 4,4'-dimethyl-2,2'-bipyridine ligand and by two I atoms. There is a ?-? contact between the pyridine rings [centroid-centroid distance = 3.775?(6)?Å].

| S-EPMC2959485 | biostudies-literature

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