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Catena-Poly[[[(1,10-phenanthroline-κN,N')zinc]-μ-pyridine-2,3-dicarboxyl-ato-κN,O:O,O] monohydrate].

ABSTRACT: In the title complex, {[Zn(C(7)H(3)NO(4))(C(12)H(8)N(2))]·H(2)O}(n), the Zn(II) ion is in a distorted octa-hedral environment, defined by two N atoms from a chelating 1,10-phenanthroline (phen) ligand and one N atom and three O atoms from two pyridine-2,3-dicarboxyl-ate (2,3-pydc) ligands. The bridging 2,3-pydc ligands connect the Zn(II) ions into a chain extending along [010]. O-H⋯O hydrogen bonds between the uncoordinated water mol-ecules and the uncoordinated carboxyl-ate O atoms, as well as π-π inter-actions between the pyridine rings of the phen ligands [centroid-centroid distance = 3.557 (2) Å], are observed.

SUBMITTER: Qin ZH

PROVIDER: S-EPMC3152098 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[[aqua-(1,10-phenanthroline-κN,N')cadmium(II)]-μ-pyridine-2,3-dicarboxyl-ato-κN,O:O,O] dihydrate].

Project description:The title complex, {[Cd(C(7)H(3)NO(4))(C(12)H(8)N(2))(H(2)O)]·2H(2)O}(n), is a one-dimensional coordination polymer, wherein the Cd atom is seven-coordinated by two 1,10-phenanthroline N atoms, one N and three O atoms from two different pyridine-2,3-dicarboxyl-ate ligands, and one water mol-ecule. It is further extended to a two-dimensional layer structure by hydrogen bonds and π-π stacking inter-actions [centroid-centroid distances of 3.560 (2) and 3.666 (2) Å]. There is a C4 water chain in the structure whose repeat unit contains four water mol-ecules with O⋯O distances in the range 2.748 (3)-2.795 (4) Å. One of the two H atoms of each water of hydration is statistically distributed over two positions with equal occupancy.

| S-EPMC2959933 | biostudies-literature

catena-Poly[[triaqua-cadmium(II)]-μ-pyridine-2,3-dicarboxyl-ato-κN,O:O].

Project description:The title polymeric compound, [Cd(C(7)H(3)NO(4))(H(2)O)(3)](n) or [Cd(py-2,3-dc)(H(2)O)(3)](n), where py-2,3-dcH(2) is pyridine-2,3-dicarboxylic acid, was obtained by the reaction of cadmium(II) nitrate hexa-hydrate with (pipzH(2))(py-2,3-dc) as a proton-transfer compound in aqueous solution (pipz is piperazine). The mol-ecular structure shows that only the anionic fragment of the starting proton-transfer compound is present in the complex, while the (pipzH(2))(2+) dication has been lost. Each (py-2,3-dc)(2-) ligand bridges two Cd(II) atoms in two different coordination modes, i.e. one end acts as a monodentate and the other end as a bidentate ligand. The three remaining coordination sites on the metal center are occupied by water mol-ecules. The geometric arrangement of the six donor atoms around the Cd(II) atom is distorted octa-hedral. In the crystal structure, O-H⋯O and C-H⋯O hydrogen bonds play an important role in stabilizing the supra-molecular structure.

| S-EPMC2960211 | biostudies-literature

Poly[[(μ(3)-5,6-dicarboxy-bicyclo-[2.2.2]oct-7-ene-2,3-dicarboxyl-ato)(1,10-phenanthroline)copper(II)] monohydrate].

Project description:In the title compound, {[Cu(C(12)H(10)O(8))(C(12)H(8)N(2))]·H(2)O}(n), the Cu(II) ion is five-coordinated by two N atoms from one phenanthroline ligand and three O atoms from three different H(2)L(2-) anions (H(4)L is bicyclo-[2.2.2]oct-7-ene-2,3,5,6-tetra-carboxylic acid) in a distorted square-pyramidal geometry. Each H(2)L(2-) ion bridges three Cu(II) atoms to form a zigzag sheet parallel to the ab plane. The crystal structure is consolidated by O-H⋯O hydrogen bonds.

| S-EPMC2960067 | biostudies-literature

catena-Poly[[[triaqua-copper(II)]-μ(2)-pyrazine-2,3-dicarboxyl-ato] monohydrate].

Project description:The Cu atom in the title complex, {[Cu(C(6)H(2)N(2)O(4))(H(2)O)(3)]·H(2)O}(n) or {[Cu(L)(H(2)O)(3)]·H(2)O}(n) (L is pyrazine-2,3-dicarbox-yl-ate), displays octa-hedral coordination formed by the ligand L and three coordinated water mol-ecules. The ligand L is tridentate, with one N atom of the pyrazine ring and one O atom of one carboxyl-ate group forming a chelate ring, whereas one O atom from the second carboxyl-ate group is coordinated to another Cu atom. The ligand L links mol-ecules to form an infinite chain parallel to the [101] direction. The chains are further linked through O-H⋯O and O-H⋯N hydrogen bonds involving the water mol-ecules to build up a three-dimensional network.

| S-EPMC2914943 | biostudies-literature

catena-Poly[[[triaqua-copper(II)]-?-pyridine-2,3-dicarboxyl-ato-?N,O:O] monohydrate].

Project description:In the title compound, {[Cu(C(7)H(3)NO(4))(H(2)O)(3)]·H(2)O}(n), the Cu(II) ion is bonded to three water mol-ecules, one N,O-bidentate pyridine-2,3-dicarboxyl-ate dianion and one O-bonded symmetry-generated dianion, resulting in a distorted CuNO(5) octa-hedral geometry. The bridging ligand results in an infinite chain. A network of O-H?O hydrogen bonds helps to establish the crystal structure.

| S-EPMC2959291 | biostudies-literature

catena-Poly[[[aqua-(1,10-phenanthroline-?²N,N')zinc]-?-acetyl-ene-dicarboxyl-ato-?²O¹:O²] monohydrate].

Project description:In the title complex, {[Zn(C?O?)(C??H?N?)(H?O)]·H?O}(n), the penta-coordinated Zn(II) ion is bound to two N atoms of the 1,10-phenanthroline ligand, two O atoms from two bridging acetyl-enedicarboxyl-ate anions and a water O atom in a distorted trigonal-bipyramidal geometry. The crystal structure is characterized by polymeric zigzag chains running parallel to [2-10] and is stabilized by O-H?O hydrogen bonds.

| S-EPMC3393169 | biostudies-literature

catena-Poly[[[aqua-(1,10-phenanthro-line)manganese(II)]-μ-adamantane-1,3-dicarboxyl-ato] monohydrate].

Project description:In the title coordination polymer, {[Mn(C(12)H(14)O(4))(C(12)H(8)N(2))(H(2)O)]·H(2)O}(n), the Mn(II) atom has a highly distorted cis-MnN(2)O(4) octa-hedral geometry arising from its coordination by a bidentate phenanthroline ligand, a water mol-ecule and monodentate and bidentate adamantane-1,3-dicarboxyl-ate dianions. The bridging dianion leads to [001] chains in the crystal. The chains are linked by O-H⋯O hydrogen bonds, involving both the coordinated and uncoordinated water mol-ecules, thereby forming a two-dimensional network.

| S-EPMC3246965 | biostudies-literature

catena-Poly[[bis-(pyridine-κN)zinc(II)]-μ-benzene-1,4-dicarboxyl-ato-κO:O].

Project description:In the title coordination polymer, [Zn(C(8)H(4)O(4))(C(5)H(5)N)(2)](n), the Zn(II) atom, located on a twofold rotation axis, is tetra-coordinated by two monodentate O atoms from two different carboxyl-ate groups and two pyridyl N atoms, forming a distorted tetra-hedral geometry. The Zn(II) atoms are bridged by terephthalate ligands, generating an infinite zigzag chain along [101].

| S-EPMC3007002 | biostudies-literature

catena-Poly[[(1,10-phenanthroline-κN,N')copper(I)]-μ-thiocyanato-κN:S-[(1,10-phenanthroline-κN,N')copper(I)]-μ-cyanido-κN:C].

Project description:In the title complex, [Cu(2)(CN)(NCS)(C(12)H(8)N(2))(2)], which was synthesized under hydro-thermal conditions, both Cu(I) atoms have a slightly distorted tetra-hedral geometry. They are coordinated by two N atoms of one 1,10-phenanthroline ligand, one bridging thio-cyanate anion and one bridging cyanide anion. In the crystal structure, infinite helical {Cu-CN-Cu-SCN}(n) chains are formed along [01].

| S-EPMC2959958 | biostudies-literature

catena-Poly[[aqua-(pyrazino[2,3-f][1,10]phenanthroline-?N,N)cobalt(II)]-?-pyrazine-2,3-dicarboxyl-ato-?NO:O].

Project description:In the title compound, [Co(C(6)H(2)N(2)O(4))(C(14)H(8)N(4))(H(2)O)](n), the Co atom is bonded to one N,N'-bidentate pyrazino[2,3-f][1,10]phenanthroline (Pyphen) ligand, one N,O-bidentate pyrazine-2,3-dicarboxyl-ate (PZDC) dianion and one water mol-ecule in a distorted octa-hedral mer-CoN(3)O(3) geometry. The Co(II) atoms are bridged by the PZDC dianions, forming an infinite one-dimensional chain running along the b axis. Adjacent chains pack together through ?-? stacking inter-actions [centroid-centroid separations = 3.498?(4) and 3.528?(4)?Å], and O-H?O and O-H?N hydrogen bonds involving the water mol-ecule complete the structure.

| S-EPMC2960716 | biostudies-literature

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