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Catena-Poly[[diaqua-zinc(II)]-?-piper-azine-1,4-diacetato-?N,O:N,O].

ABSTRACT: The asymmetric unit of the title compound, [Zn(C(8)H(12)N(2)O(4))(H(2)O)(2)](n), contains a Zn(II) ion residing on an inversion center, half of a centrosymmetric piperazine-1,4-diacetate ligand (L) and a water mol-ecule. The Zn(II) ion is trans-coordinated by two N,O-bidentate L ligands and by two water mol-ecules in a distorted octa-hedral geometry. In the crystal structure, inter-molecular O-H?O hydrogen bonds link polymeric chains into a three-dimensional supra-molecular structure.

SUBMITTER: Bi JH

PROVIDER: S-EPMC2972100 | biostudies-literature | 2009 Nov

REPOSITORIES: biostudies-literature

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catena-Poly[[diaqua-zinc(II)]-μ-piper-azine-1,4-diacetato-κN,O:N,O].

Bi Jian-Hong JH

Acta crystallographica. Section E, Structure reports online 20091111 Pt 12

The asymmetric unit of the title compound, [Zn(C(8)H(12)N(2)O(4))(H(2)O)(2)](n), contains a Zn(II) ion residing on an inversion center, half of a centrosymmetric piperazine-1,4-diacetate ligand (L) and a water mol-ecule. The Zn(II) ion is trans-coordinated by two N,O-bidentate L ligands and by two water mol-ecules in a distorted octa-hedral geometry. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link polymeric chains into a three-dimensional supra-molecular structure. ...[more]

PMID: 21578597

Similar Datasets

catena-Poly[[diaqua-dipyridine-zinc(II)]-?-succinato].

Project description:In the title compound, [Zn(C(4)H(4)O(4))(C(5)H(5)N)(2)(H(2)O)(2)](n), the Zn(II) ion (site symmetry ) is coordinated in an octahedral geometry by two pyridine mol-ecules, two water mol-ecules and two bridging centrosymmetric O-monodentate succinate dianions to create one-dimensional polymeric chains. The chains are cross-linked by O-H?O hydrogen bonds, forming sheets.

| S-EPMC2961033 | biostudies-literature

catena-Poly[[diaqua-zinc(II)]-?-4,4'-(methyl-enedioxy)-dibenzoato].

Project description:In the title complex, [Zn(C(15)H(10)O(6))(H(2)O)(2)](n), the Zn(II) atom is located on a twofold rotation axis and exhibits a distorted tetrahedral coordination environment defined by two O atoms from two 4,4'-(methyl-enedioxy)-dibenzoate ligands and two O atoms from two coordinated water mol-ecules. In the crystal structure, mol-ecules are linked into a three-dimensional framework by O-H?O hydrogen bonds and C-H?? inter-actions.

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catena-Poly[[diaqua-(2,2'-bipyridine-?N,N')zinc]-?-2,2'-[1,4-phenylene-bis(sulfanedi-yl)]diacetato-?O:O'].

Project description:In the polymeric title complex, [Zn(C(10)H(8)O(4)S(2))(C(10)H(8)N(2))(H(2)O)(2)](n), the Zn(2+) ion lies on a twofold rotation axis and exhibits an octa-hedral environment, in which it is coordinated by two trans O atoms from two symmetry-related 2,2'-[1,4-phenyl-enebis(sulfanedi-yl)]diacetate anions, two N atoms from one 2,2'-bipyridine ligand, and two cis O atoms from water mol-ecules. The dihedral angle between the two pyridine rings is 11.5?(1)°. Adjacent Zn(2+) ions are bridged in a monodentate manner by the diacetate anions, forming a chain structure extending parallel to [101], and are further linked into the final three-dimensional structure by O-H?O hydrogen bonds between the coordinating water mol-ecules as donor and the non-coordinating carboxyl-ate O atoms as acceptor atoms.

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catena-Poly[[diaqua-bis(diphenyl-acetato)-zinc(II)]-?-4,4'-bipyridine].

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| S-EPMC2968569 | biostudies-literature

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catena-Poly[[[diaqua-cadmium]-?-2,2'-(1,2-phenyl-enedi-oxy)diacetato] mono-hydrate].

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catena-Poly[[[diaqua-copper(II)]-{?-4,4'-[1,4-phenyl-enebis(methyl-eneimino)]dibenzoato}] monohydrate].

Project description:The asymmetric unit of the title polymeric compound, {[Cu(C(22)H(18)N(2)O(4))(H(2)O)(2)]·H(2)O}(n), contains a Cu ion situated on an inversion center, half of a centrosymmetric 4,4'-[1,4-phenyl-enebis(methyl-eneimino)]dibenzoate ligand, a coordin-ated water mol-ecule in a general position and an uncoordin-ated water mol-ecule situated on a twofold rotation axis. The distorted octa-hedral coordination geometry of the Cu(II) ion is formed by six O atoms. The -NH- groups of the ligand are involved in intra-molecular N-H?O hydrogen bonds, while the water mol-ecules participate in the formation of a three-dimensional supra-molecular framework via inter-molecular O-H?O hydrogen bonds.

| S-EPMC2960599 | biostudies-literature

catena-Poly[[[diaqua-diformatonickel(II)]-μ-1,4-bis-(1H-benzimidazol-1-yl)benzene] dihydrate].

Project description:In the title one-dimensional coordination polymer, {[Ni(CHO(2))(2)(C(20)H(14)N(4))(H(2)O)(2)]·2H(2)O}(n), the Ni(II) atom lies on a crystallographic inversion centre. It is coordinated by two formate O atoms, two water O atoms and two N atoms from two 1,4-bis-(1H-benzimidazol-1-yl)benzene (bzb) ligands, resulting in a distorted trans-NiN(2)O(4) octa-hedral coordination geometry. The bzb mol-ecule acts as a bridging ligand to connect the metal atoms into a chain propagating in [1[Formula: see text][Formula: see text]]. The dihedral angle between the benzimidazole ring and the central benzene ring in the ligand is 38.16 (9)°. In the crystal, O-H⋯O hydrogen bonds crosslink the chains into (010) sheets.

| S-EPMC3274932 | biostudies-literature

catena-Poly[[[diaqua-copper(II)]-bis-[?-1,1'-(butane-1,4-di-yl)diimidazole-?N:N]] dinitrate].

Project description:In the title compound, {[Cu(C(10)H(14)N(4))(2)(H(2)O)(2)](NO(3))(2)}(n), the Cu(II) ion lies on an inversion center and is six-coordinated in an octa-hedral environment by four N atoms from four different 1,1'-butane-1,4-diyldiimidazole ligands and two O atoms from the two water mol-ecules. Bridging by the ligands results in a ribbon structure. Adjacent ribbons are linked to the nitrate anions via O-H?O hydrogen bonds, forming layers. One nitrate O atom is disordered equally over two positions.

| S-EPMC2960687 | biostudies-literature

catena-Poly[[[tetra-quazinc(II)]-?-2,5-dihydroxy-benzene-1,4-diacetato-?O:O] dihydrate].

Project description:The title compound, {[Zn(C(10)H(8)O(6))(H(2)O)(4)]·2H(2)O}(n), is a one-dimensional coordination polymer with 2,5-dihydroxy-benzene-1,4-diacetate acting as bridging ligand. The zigzag chains, extending parallel to [011], are further packed into a three-dimensional network by hydrogen bonds.

| S-EPMC2960134 | biostudies-other

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