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Tetra-aqua-bis-[3-(pyridin-4-yl)benzoato-?N]manganese(II).

ABSTRACT: In the title compound, [Mn(C(12)H(8)NO(2))(2)(H(2)O)(4)], the Mn(2+) ion lies on a twofold rotation axis and has a distorted N(2)O(4) octa-hedral coordination geometry formed by four water O atoms in the equatorial plane and two apical pyridyl N atoms. A three-dimensional network is formed in the crystal structure by multiple O-H?O hydrogen bonds between the coordin-ating water molecules and the free carboxylate groups.

SUBMITTER: Gao RQ

PROVIDER: S-EPMC3344315 | biostudies-literature | 2012 May

REPOSITORIES: biostudies-literature

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Tetra-aqua-bis-[3-(pyridin-4-yl)benzoato-?N]cobalt(II).

Project description:In the title compound, [Co(C(12)H(8)NO(2))(2)(H(2)O)(4)], the Co atom lies on a twofold rotation axis and has an N(2)O(4) octa-hedral coordination environment formed by four O atoms of water mol-ecules in the equatorial plane and two apical N atoms of pyridine groups. An intricate three-dimensional supra-molecular network is formed by multiple O-H?O hydrogen bonds between the coordinated water mol-ecules and the uncoordinated carboxyl-ate groups.

| S-EPMC3238651 | biostudies-literature

Tetra-aqua-bis[4-(imidazol-1-yl-?N)benzoato]manganese(II).

Project description:In the title compound, [Mn(C(10)H(7)N(2)O(2))(2)(H(2)O)(4)], the Mn(II) atom, lying on an inversion center, has an octa-hedral environment with four coordinated water mol-ecules in the equatorial plane and two N atoms from two 4-(imidazol-1-yl)benzoate ligands at the axial sites. The complex mol-ecules are connected into a three-dimensional network by extensive hydrogen bonds between the water mol-ecules and the carboxyl-ate O atoms.

| S-EPMC2979258 | biostudies-literature

Tetra-aqua-bis-[4-(pyrazin-2-ylsulfanylmeth-yl)benzoato]manganese(II) dihydrate.

Project description:The title compound, [Mn(C(12)H(9)N(2)O(2)S)(2)(H(2)O)(4)]·2H(2)O, has been synthesized with a flexible asymmetrical bridging ligand, 4-(pyrazin-2-ylsulfanylmeth-yl)benzoic acid (Hpztmb). The Mn(II) ion exhibits a centrosymmetric octa-hedral geometry involving two carboxyl-ate O atoms of two different pztmb ligands and four O atoms of four coordinated water mol-ecules. The packing shows a three-dimensional supra-molecular network via O-H?O and O-H?N hydrogen bonds and ?-? stacking inter-actions [centroid-centroid distances = 3.884?(8) and 4.034?(8)?Å] between the benzene ring of one pztmb anion and the pyrazine ring of an adjacent anion.

| S-EPMC3011441 | biostudies-literature

Tetra-aqua-bis-[5-(pyridin-3-yl)tetra-zolido-?N?]manganese(II) tetra-hydrate.

Project description:The title compound, [Mn(C?H?N?)?(H?O)?]·4H?O, was obtained by the solution reaction of MnCl? and 3-(2H-tetra-zol-5-yl)pyridine. The Mn(II) atom, located on an inversion center, shows a slightly distorted octa-hedral geometry and is coordinated by two pyridine N atoms from two 5-(pyridin-3-yl)tetra-zolide ligands occupying trans positions and four water mol-ecules. In the crystal, the mononuclear complex mol-ecules and solvent water mol-ecules are connected into a three-dimensional framework by O-H?N and O-H?O hydrogen bonds.

| S-EPMC3393165 | biostudies-literature

trans-Tetra-aqua-bis-[bis-(pyridin-3-yl)methanone-?N]manganese(II) bis-(perchlorate).

Project description:In the title complex, [Mn(C(11)H(8)N(2)O)(2)(H(2)O)(4)](ClO(4))(2), the Mn(2+) ion is located on an inversion center with the slightly distorted N(2)O(4) octa-hedral coordination sphere comprising N-atom donors from two monodentate trans-related bis-(pyridin-3-yl)methanone ligands and four water ligands. The two perchlorate anions are linked to the mononuclear complex mol-ecule through water O-H?O hydrogen bonds while inter-complex water O-H?N(pyridine) inter-actions form an infinite chain structure extending along the b axis. The perchlorate anions also function as inter-unit links through water O-H?O hydrogen bonds which, together with water O-H?O(carbon-yl) inter-actions, give a three-dimensional framework structure.

| S-EPMC3254301 | biostudies-literature

Tetra-aqua-bis-[5-(pyridin-4-yl)tetra-zolido N(5)-oxide-?N(2)]manganese(II).

Project description:The title compound, [Mn(C(6)H(4)N(5)O)(2)(H(2)O)(4)], is isotypic with its Zn, Ni and Cd analogues reported recently. In the crystal, the Mn(II) cations are coordinated by four O atoms from four aqua ligands and two N atoms from two 5-(pyridin-4-yl)tetra-zolide N(5)-oxide ligands in a distorted octa-hedral coordination environment. The asymmetric unit consists of one Mn(II) cation located on a crystallographic twofold axis, and two crystallographically independent water mol-ecules and one N-donor ligand in general positions. The discrete complex mol-ecules are arranged in alternating rows parallel to [100] and are linked by O-H?N and O-H?O hydrogen bonds into a three-dimensional network.

| S-EPMC3414170 | biostudies-literature

Tetra-aqua-bis-[4-(4H-1,2,4-triazol-4-yl)benzoato-?N]manganese(II) deca-hydrate.

Project description:In the title compound, [Mn(C(9)H(6)N(3)O(2))(2)(H(2)O)(4)]·10H(2)O, the Mn(II) ion is coordinated by two N atoms from two 4-(4H-1,2,4-triazol-4-yl)benzoate ligands and four water mol-ecules in a distorted octa-hedral geometry. The Mn(II) ion and two coordinated water mol-ecules lie on a twofold rotation axis. The water mol-ecules are involved in O-H?N and O-H?O hydrogen bonds with the triazole N atoms and carboxyl-ate O atoms, yielding a three-dimensional supra-molecular network. ?-? inter-actions between the benzene rings [centroid-centroid distance = 3.836?(9)?Å] are observed.

| S-EPMC3212150 | biostudies-literature

Tetra-aqua-bis-{5-[4-(imidazol-1-yl-?N)phen-yl]tetra-zolido}manganese(II).

Project description:In the title complex, [Mn(C(10)H(7)N(6))(2)(H(2)O)(4)], the Mn(2+) cation is located on a twofold rotation axis and is coordinated by two N atoms from two 5-[4-(imidazol-1-yl)phen-yl]tetra-zolide ligands and four O atoms from four water mol-ecules, displaying a distorted MnN(2)O(4) octa-hedral geometry. The crystal structure is stabilized by intermolecular O-H?N hydrogen bonds involving the coordinated water mol-ecules and the N atoms of the tetra-zolide group.

| S-EPMC3238663 | biostudies-literature

Tetra-aqua-bis(4-formyl-benzoato-?O)cobalt(II) tetra-hydrate.

Project description:The Co(II) atom in the title compound, [Co(C(8)H(5)O(3))(2)(H(2)O)(4)]·4H(2)O, which exists in an all-trans octa-hedral coordination geometry, lies on a center of inversion. The coordinated and uncoordinated water mol-ecules engage in extensive hydrogen-bonding inter-actions, forming a three-dimensional hydrogen-bonded network.

| S-EPMC2960768 | biostudies-literature

Tetra-aqua-bis-[4-(4H-1,2,4-triazol-4-yl)benzoato-?N]nickel(II) deca-hydrate.

Project description:In the title compound, [Ni(C(9)H(6)N(3)O(2))(2)(H(2)O)(4)]·10H(2)O, the Ni(II) ion lies on a twofold rotation axis and displays a slightly distorted octa-hedral geometry defined by two N atoms from two monodentate 4-(1,2,4-triazol-4-yl)benzoate ligands and four water mol-ecules, two of which also lie on the twofold rotation axis. In the crystal, the complex mol-ecules and uncoordinated water mol-ecules are linked via inter-molecular O-H?N and O-H?O hydrogen bonds, forming a three-dimensional supra-molecular network. ?-? inter-actions between the benzene rings provide additional stability of the crystal packing [centroid-centroid distance = 3.792?(2)?Å].

| S-EPMC3254290 | biostudies-literature

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