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Trans-Diaqua-bis-(1H imidazolium-4,5-di-carboxyl-ato-?(2)O(4),O(5))magnesium.

ABSTRACT: The title compound, [Mg(C(5)H(3)N(2)O(4))(2)(H(2)O)(2)], consists of centrosymmetric neutral monomers in which two O,O'-bidentate imidazolinium-4,5-dicarboxyl-ate ligands are bonded to the Mg(II) ion. One of the carboxyl protons is transferred to the N atom of the imidazole ring. The octa-hedral metal-ion coordination is completed by two trans water O atoms. In the crystal, mol-ecules are linked by N-H?(O,O) and O-H?O hydrogen bonds.

SUBMITTER: Luczynska-Szymczak K

PROVIDER: S-EPMC3344407 | biostudies-literature | 2012 May

REPOSITORIES: biostudies-literature

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trans-Diaqua-bis-(1H imidazolium-4,5-di-carboxyl-ato-κ(2)O(4),O(5))magnesium.

Luczyńska-Szymczak Katarzyna K Starosta Wojciech W Leciejewicz Janusz J

Acta crystallographica. Section E, Structure reports online 20120428 Pt 5

The title compound, [Mg(C(5)H(3)N(2)O(4))(2)(H(2)O)(2)], consists of centrosymmetric neutral monomers in which two O,O'-bidentate imidazolinium-4,5-dicarboxyl-ate ligands are bonded to the Mg(II) ion. One of the carboxyl protons is transferred to the N atom of the imidazole ring. The octa-hedral metal-ion coordination is completed by two trans water O atoms. In the crystal, mol-ecules are linked by N-H⋯(O,O) and O-H⋯O hydrogen bonds. ...[more]

PMID: 22590169

Similar Datasets

Poly[diaqua-(?(5)-1H-imidazole-4,5-di-carboxyl-ato)(?(4)-1H-imidazole-4,5-di-carboxyl-ato)tris-ilver(I)ytterbium(III)].

Project description:The asymmetric unit of the title compound, [Ag(3)Yb(C(5)HN(2)O(4))(2)(H(2)O)(2)](n), contains three Ag(I) ions, one Yb(III) ion, two imidazole-4,5-dicarboxyl-ate ligands and two coordinating water mol-ecules. The Yb(III) atom is eight-coordinated, in a bicapped trigonal prismatic coordination geometry, by six O atoms from three imidazole-4,5-dicarboxyl-ate ligands and two coordinating water mol-ecules. The two-coordinated Ag(I) ions exhibit three types of coordination environments. One Ag(I) atom is bonded to two N atoms from two different imidazole-4,5-dicarboxyl-ate ligands. The other two Ag(I) atoms are each coordinated by one O atom and one N atom from two different imidazole-4,5-dicarboxyl-ate ligands. These metal coordination units are connected by bridging imidazole-4,5-dicarboxyl-ate ligands, generating a two-dimensional heterometallic layer. These layers are stacked along the a axis via O-H?O hydrogen-bonding inter-actions to generate a three-dimensional framework.

| S-EPMC3414133 | biostudies-literature

Diaqua-bis(2-methyl-1H-imidazol-3-ium-4,5-dicarboxyl-ato-?O,O')magnesium.

Project description:The title compound, [Mg(C(6)H(5)N(2)O(4))(2)(H(2)O)(2)], was prepared by reaction of Mg(NO(3))(2) and 2-methyl-1H-imidazole-4,5-dicarboxylic acid under hydro-thermal conditions. The Mg(II) atom lies on an inversion centre and displays a distorted octa-hedral coordination geometry. An extended three-dimensional network of inter-molecular O-H?O and N-H?O hydrogen bonds stabilizes the crystal structure.

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Project description:In the title complex, [Cd(C(3)H(2)N(3)O(2))(2)(H(2)O)(2)], the Cd(II) atom is coordinated by two N and two O atoms from two deprotonated 1H-1,2,4-triazole-3-carboxylic acid ligands (TRIA) and two water mol-ecules. The Cd atom is located on an inversion centre. In the crystal structure, mol-ecules are linked together via O-H?O and N-H?O hydrogen bonds, forming a three-dimensional network.

| S-EPMC2915071 | biostudies-literature

Diaqua-bis-(1H-imidazole-4-carboxyl-ato-κN,O)zinc.

Project description:In the title compound, [Zn(C(4)H(3)N(2)O(2))(2)(H(2)O)(2)], the Zn(II) ion is situated on a twofold rotation axis and exhibits a distorted octa-hedral coordination configuration. The equatorial plane contains two cis-oriented bidentate 1H-imidazole-4-carboxyl-ate ligands and the axial positions are occupied by two coordinated water mol-ecules. In the crystal structure, inter-molecular O-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional supra-molecular network. There are π-π inter-actions between the imidazole rings, with a centroid-to-centroid distance of 3.504 (3) Å.

| S-EPMC3151991 | biostudies-literature

Diaqua-bis(5-phenyl-1H-pyrazole-3-carboxyl-ato)copper(II).

Project description:In the centrosymmetric title compound, [Cu(C(10)H(7)N(2)O(2))(2)(H(2)O)(2)], the Cu(II) ion occupies an inversion centre and exhibits a distorted octa-hedral geometry. The phenyl and pyrazole rings of the ligand are twisted by an angle of 11.36?(8)°. In the crystal structure, mol-ecules are linked into a two-dimensional network parallel to the (010) plane by O-H?O and N-H?O hydrogen bonds.

| S-EPMC2960242 | biostudies-literature

Diaqua-bis(5-carb-oxy-2-propyl-1H-imidazole-4-carboxyl-ato-?N,O)magnesium(II) 3.5-hydrate.

Project description:In the title complex, [Mg(C(8)H(9)N(2)O(4))(2)(H(2)O)(2)]·3.5H(2)O, the Mg(II) atom is six-coordinated by two N,O-bidentate 5-carb-oxy-2-propyl-1H-imidazole-4-carboxyl-ate ligands and two water mol-ecules, forming a distorted octa-hedral environment. The complex mol-ecules are linked into a three-dimensional network by N-H?O and O-H?O hydrogen-bonding inter-actions. The propyl groups are disordered over two sites, with site occupancies of 0.755?(7):0.245?(7) and 0.556?(13):0.444?(13).

| S-EPMC2983537 | biostudies-literature

Diaqua-[5,5'-dicarb-oxy-2,2'-(propane-1,3-di-yl)bis-(1H-imidazole-4-carboxyl-ato)]manganese(II).

Project description:The complex mol-ecule of the title compound, [Mn(C(13)H(10)N(4)O(8))(H(2)O)(2)] or [Mn(H(4)pbidc)(H(2)O)(2)] (H(6)pbidc = 2,2'-(propane-1,3-di-yl)bis-(1H-imidazole-4,5-dicarb-oxy-lic acid), has 2 symmetry with the twofold rotation axis running through the Mn(2+) cation and the central C atom of the propanediyl unit. The cation is six-coordinated by two N atoms and two O atoms from one H(4)pbidc(2-) anion and two water O atoms in a considerably distorted octa-hedral coordination. In the crystal, adjacent mol-ecules are linked through O-H?O and N-H?O hydrogen bonds into a three-dimensional network.

| S-EPMC3089289 | biostudies-literature

Diaqua-[5,5'-dicarb-oxy-2,2'-(ethane-1,2-di-yl)bis-(1H-imidazole-4-carboxyl-ato)]cobalt(II).

Project description:In the title complex, [Co(C(12)H(8)N(4)O(8))(H(2)O)(2)], the Co(II) atom is coordinated by two N and two O atoms of the tetra-dentate 5,5'-dicarb-oxy-2,2'-(ethane-1,2-di-yl)bis-(1H-imidazole-4-carboxy-l-ate) anion. The slightly distorted octa-hedral coordination environment is completed by the O atoms of two water mol-ecules in axial positions. An intra-molecular O-H?O hydrogen bond between the carb-oxy and carboxyl-ate groups stabilizes the mol-ecular configuration. Adjacent mol-ecules are linked through O-H?O and N-H?O hydrogen bonds between the carb-oxy/carboxyl-ate groups, water mol-ecules and imidazole fragments into a three-dimensional network.

| S-EPMC3120334 | biostudies-literature

trans-Diaqua-bis-(1H-imidazole-4-carboxyl-ato-?N,O)nickel(II).

Project description:In the title complex, [Ni(C(4)H(3)N(2)O(2))(2)(H(2)O)(2)], the Ni(II) ion is located on an inversion center and shows a distorted octa-hedral geometry, defined by two N,O-bidentate 1H-imidazole-4-carboxyl-ate ligands in the equatorial plane and two water mol-ecules in the axial positions. Inter-molecular N-H?O hydrogen bonds link the complex mol-ecules into layers parallel to (10[Formula: see text]), which are further linked into a three-dimensional supra-molecular network through O-H?O hydrogen bonds.

| S-EPMC3152087 | biostudies-other

trans-Diaqua-bis[5-carb-oxy-2-(3-pyridyl)-1H-imidazole-4-carboxyl-ato-?N,O]manganese(II).

Project description:In the title compound, [Mn(C(10)H(6)N(3)O(4))(2)(H(2)O)(2)], synthesized by hydro-thermal reaction, the Mn(II) ion lies on an inversion centre and displays a distorted octa-hedral coordination geometry defined by the two imidazole N atoms and two carboxylate O atoms of the two trans-standing chelate ligands, and two O atoms of the water mol-ecules. A two-dimensional supra-molecular architecture is formed via N-H?O, O-H?N and O-H?O hydrogen-bonding inter-actions.

| S-EPMC2959396 | biostudies-literature

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