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Bis(2-amino-pyrimidine-κN)diaqua-dinitrato-κO;κO,O'-cadmium(II) monohydrate.

ABSTRACT: In the title compound, [Cd(NO(3))(2)(C(4)H(5)N(3))(2)(H(2)O)(2)]·H(2)O, the Cd atom is seven-coordinated by two 2-amino-pyrimidine mol-ecules, two water mol-ecules, one bidentate nitrate anion and one monodentate nitrate anion. A network of N-H⋯O, N-H⋯N and O-H⋯O hydrogen bonds helps to consolidate the crystal structure.

SUBMITTER: Tai XS

PROVIDER: S-EPMC2960974 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Diaqua-bis(4-methyl-amino-benzoato-κO)bis-(nicotinamide-κN)nickel(II).

Project description:The title Ni(II) complex, [Ni(C(8)H(8)NO(2))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], is centrosymmetric with the Ni atom on an inversion center. The mol-ecule contains two 4-methyl-amino-benzoate (MAB) and two nicotinamide (NA) ligands and two coordinated water mol-ecules, all ligands being monodentate. The four O atoms in the equatorial plane around the Ni atom form a slightly distorted square-planar arrangement, while the slightly distorted octa-hedral coordination is completed by the two N atoms of the NA ligands in the axial positions. The dihedral angle between the carboxyl-ate group and the adjacent benzene ring is 2.09 (14)°, while the pyridine and benzene rings are oriented at a dihedral angle of 66.15 (4)°. In the crystal structure, inter-molecular O-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC2977638 | biostudies-literature

Bis(2-amino-pyrimidine-κN)aqua-(nitrato-κO)(nitrato-κO,O')zinc(II).

Project description:The water-coordinated Zn atom in the title monoaqua zinc nitrate adduct of 2-amino-pyrimidine, [Zn(NO(3))(2)(C(4)H(5)N(3))(2)(H(2)O)], is bonded to a monodentate nitrate ion and is chelated by the other nitrate ion. The heterocyclic ligands coordinate through ring N-donor sites. The coordination geometry about the Zn(II) atom is a distorted octa-hedron. Intra-molecular N-H⋯O hydrogen bonds occur. In the crystal, adjacent adduct mol-ecules are linked by O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds into a layer motif parallel to (001).

| S-EPMC2983322 | biostudies-literature

Diaqua-bis-(1H-imidazole-κN(3))bis-(4-nitro-benzoato-κO(1))cadmium.

Project description:In the centrosymmetric title compound, [Cd(C(7)H(4)NO(4))(2)(C(3)H(4)N(2))(2)(H(2)O)(2)], the Cd(II) atom, located on an inversion center, is coordinated by two N atoms and four O atoms in an octa-hedral geometry. The inter-nal cohesion of the mol-ecule is enhanced by an intra-molecular O-H⋯O hydrogen bond. Inter-molecular O-H⋯O and C-H⋯O hydrogen bonds and π-π contacts [centroid-centroid distance = 3.6549 (2) Å] define two-dimensional networks parallel to (001), which are further connected by weaker C-H⋯O inter-actions into a weakly connected three-dimensional supra-molecular framework.

| S-EPMC3435578 | biostudies-literature

Aqua-(4,5-dihydroxy-benzene-1,3-disulfonato-κO)bis-(1,10-phenanthroline-κN,N')cadmium(II) monohydrate.

Project description:In the title compound, [Cd(C(6)H(4)O(8)S(2))(C(12)H(8)N(2))(2)(H(2)O)]·H(2)O, each Cd(II) ion is coordinated by four N atoms [Cd-N = 2.310 (7)-2.341 (7) Å] from two 1,10-phenanthroline ligands, one O atom [Cd-O = 2.300 (6) Å] from a 4,5-dihydroxy-benzene-1,3-disulfonate ligand and one aqua O atom [Cd-O = 2.288 (7) Å] in a distorted octa-hedral geometry. The crystal packing exhibits inter-molecular O-H⋯O and C-H⋯O hydrogen bonds and π-π inter-actions evidenced by relatively short distances [3.525 (5)-3.937 (6) Å] between the centroids of the six-membered rings of neighbouring mol-ecules.

| S-EPMC2960182 | biostudies-literature

Diaqua-bis(2-chloro-benzoato-κO)bis-(nicotinamide-κN)nickel(II).

Project description:The title Ni(II) complex, [Ni(C(7)H(4)ClO(2))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], is centrosymmetric with the Ni atom located on an inversion centre. The mol-ecule contains two 2-chloro-benzoate (CB) and two nicotinamide (NA) ligands and two water mol-ecules, all ligands being monodentate. The four O atoms in the equatorial plane around the Ni atom form a slightly distorted square-planar arrangement, while the slightly distorted octa-hedral coordination is completed by the two N atoms of the NA ligands in the axial positions. The dihedral angle between the carboxyl group and the adjacent benzene ring is 29.48 (16)°, while the pyridine and benzene rings are oriented at a dihedral angle of 83.16 (5)°. In the crystal structure, O-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules into infinite chains. π-π Contacts between the benzene and pyridine rings [centroid-centroid distance = 3.952 (1) Å] may further stabilize the crystal structure. There is also a C-H⋯π inter-action.

| S-EPMC2968958 | biostudies-literature

Diaqua-bis(2-bromo-benzoato-κO)bis-(nicotinamide-κN)zinc(II).

Project description:The title Zn(II) complex, [Zn(C(7)H(4)BrO(2))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], is centrosymmetric with the Zn atom on an inversion center. The mol-ecule contains two 2-bromo-benzoate (BB) and two nicotinamide (NA) ligands and two coordinated water mol-ecules, all ligands being monodentate. The four O atoms in the equatorial plane around the Zn atom form a slightly distorted square-planar arrangement, while the slightly distorted octa-hedral coordination is completed by the two N atoms of the NA ligands in the axial positions. The dihedral angle between the carboxyl group and the adjacent benzene ring is 31.14 (12)°, while the pyridine and benzene rings are oriented at a dihedral angle of 83.54 (5)°. In the crystal structure, O-H⋯O and N-H⋯O hydrogen bonds link the mol-ecules into infinite chains. A weak C-H⋯π inter-action is also present.

| S-EPMC2977639 | biostudies-literature

Diaqua-bis(4-methyl-benzoato-κO,O')cadmium(II).

Project description:In the title mononuclear complex, [Cd(C(8)H(7)O(2))(2)(H(2)O)(2)], the Cd(II) atom possesses crystallographically imposed C(2) site symmetry, and is coordinated by four O atoms from two 4-methyl-benzoate ligands and two water mol-ecules, displaying a distorted octa-hedral geometry. The molecules are assembled via inter-molecular O-H⋯O hydrogen-bond inter-actions into a supra-molecular architecture.

| S-EPMC2915110 | biostudies-literature

Bis[μ-4-(dimethyl-amino)-benzoato]-κO,O':O;κO:O,O'-bis-{aqua-[4-(dimethyl-amino)-benzoato-κO,O'](nicotinamide-κN)cadmium(II)}.

Project description:In the centrosymmetric dimeric Cd(II) title compound, [Cd(2)(C(9)H(10)NO(2))(4)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], each seven-coordin-ated Cd(II) atom is chelated by the carboxyl-ate groups of the two 4-(dimethyl-amino)-benzoate (DMAB) anions; the two monomeric units are bridged through the two O atoms of the two carboxyl groups. In the crystal structure, inter-molecular O-H⋯O, N-H⋯O and C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional network. π-π contacts between the pyridine rings [centroid-centroid distance = 3.974 (1) Å] may further stabilize the structure. Weak C-H⋯π inter-actions are also observed.

| S-EPMC3007006 | biostudies-literature

Diaqua-(2,2'-bipyridine-κN,N')bis-(perchlorato-κO)copper(II).

Project description:The central CuN(2)O(4) motif of the title compound, [Cu(ClO(4))(2)(C(10)H(8)N(2))(H(2)O)(2)], exhibits a Jahn-Teller-distorted octa-hedral geometry around the metal atom, showing a considerably long Cu-O bond distance of 2.5058 (12) Å towards the second perchlorate group, giving a (4 + 1+1)-type coordination mode. In the crystal, the components are linked via inter-molecular O-H⋯O hydrogen bonds, forming layers parallel to (001). Additional stabilization within these layers is provided by π-π [centroid-centroid distances of 3.7848 (9)-4.4231 (9) Å] stacking inter-actions.

| S-EPMC3089365 | biostudies-literature

Diaqua-bis-(2-iodo-benzoato-κO)bis-(nicotinamide-κN(1))copper(II).

Project description:In the title complex, [Cu(C(7)H(4)IO(2))(2)(C(6)H(6)N(2)O)(2)(H(2)O)(2)], the Cu(II) cation is located on an inversion center and is coordinated by two monodentate 2-iodo-benzoate (IB) anions, two nicotinamide (NA) ligands and two water mol-ecules in a distorted octa-hedral coordination geometry. The dihedral angle between the carboxyl-ate group and the adjacent benzene ring is 32.12 (14)°, while the pyridine ring and the benzene ring are oriented at a dihedral angle of 82.02 (5)°. The coordinating water mol-ecule links with the carboxyl-ate group via an intra-molecular O-H⋯O hydrogen bond. In the crystal, N-H⋯O, O-H⋯O and weak C-H⋯O hydrogen bonds link the mol-ecules into a three-dimensional supra-molecular network.

| S-EPMC3435587 | biostudies-literature

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