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Catena-Poly[[[diaqua-manganese(II)]-bis-[μ-1,3-bis-(1H-imidazol-1-ylmeth-yl)benzene-κN:N]] dinitrate].

ABSTRACT: In the title compound, {[Mn(C(14)H(14)N(4))(2)(H(2)O)(2)](NO(3))(2)}(n), the Mn(II) ion is located on an inversion center and is coordinated by four N atoms from four 1,3-bis-(1H-imidazol-1-ylmeth-yl)benzene (L) ligands and two water mol-ecules in a distorted octa-hedral geometry. Two L ligands are related by a centre of symmetry and bridge Mn(II) ions, forming a positively charged polymeric chain in [101]. Uncoordinated nitrate anions further link these chains into layers parallel to the ac plane via O-H⋯O hydrogen bonds.

SUBMITTER: Wang XD

PROVIDER: S-EPMC3246916 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[zinc(II)-bis-[?-1,3-bis-(imidazol-1-ylmeth-yl)benzene-?N:N]] dinitrate methanol solvate].

Project description:In the title coordination compound, {[Zn(C(14)H(14)N(4))(2)](NO(3))(2)·CH(3)OH}(n), the cationic complex forms a looped chain containing 24-membered M(2)L(2) rings. The ligand adopts two distinct conformations that are alternated in subsequent loops. The Zn(II) ion displays a slightly distorted tetra-hedral geometry being coordinated by four N atoms from four 1,3-bis-(imidazol-1-ylmeth-yl)benzene ligands. The nitrate ions and methanol solvent mol-ecules are located between adjacent double-stranded chains and participate in an extensive net of O-H?O and C-H?O hydrogen bonds. The resulting three-dimensional assembly is further stabilized by ?-? inter-actions between benzene rings [centroid-centroid distances = 3.878?(2) and 3.853?(2)?Å].

| S-EPMC2971030 | biostudies-literature

Bis[μ-1,4-bis-(4,5-dihydro-1H-imidazol-2-yl)benzene-κN:N]silver(I) dinitrate dihydrate.

Project description:The reaction of 1,4-bis-(4,5-dihydro-1H-imidazol-2-yl)benzene (bib) with silver(I) nitrate in a 1:1 molar ratio generates the metallacyclic title complex, [Ag(2)(C(12)H(14)N(4))(2)](NO(3))(2)·2H(2)O, in which the bib ligand displays a cis configuration. Each bib ligand acts as a bidentate bridging ligand connecting a pair of Ag(I) ions to form a [2 + 2] metallamacrocycle in which the Ag⋯Ag distance is 6.77 (2) Å. Each Ag(I) ion has weak contacts (2.91 Å) with the nitrate anion. The uncoordinated water mol-ecules make hydrogen bonds with nitrate O atoms, forming chains. The H atoms attached to the uncoordinated nitro-gen inter-act with these chains through N-H⋯O hydrogen bonds, forming layers parallel to the (11) plane.

| S-EPMC2960425 | biostudies-literature

catena-Poly[[[diaqua-(1,3-benzimidazole-κN)manganese(II)]-μ-benzene-1,3-di-carboxyl-ato-κO,O:O] dihydrate].

Project description:In the polymeric title complex, {[Mn(C(8)H(4)O(4))(C(7)H(6)N(2))(H(2)O)(2)]·2H(2)O}(n), the Mn(II) cation is coordinated by two benzene-dicarboxyl-ate anions, one benzimidazole ligand and two water mol-ecules in a distorted MnNO(5) octa-hedral geometry. In the crystal, each benzene-dicarboxyl-ate anion bridges adjacent Mn(II) cations through the terminal carboxyl-ate groups, forming a polymeric complex chain along the a axis. One Mn-O(carboxyl-ate) bond is much longer than the others. In the crystal, π-π stacking is observed between nearly parallel [dihedral angle = 4.32 (6)°] benzimidazole aromatic ring systems of adjacent mol-ecules, the centroid-centroid distance between the imidazole and benzene rings being 3.5421 (11) Å. Extensive inter-molecular O-H⋯O and N-H⋯O hydrogen bonding is present in the crystal structure. The two lattice water mol-ecules are located on twofold rotation axes.

| S-EPMC3099958 | biostudies-literature

Bis[μ-1,2-bis-(1H-imidazol-1-ylmeth-yl)benzene-κN:N]disilver(I) 3-carboxyl-ato-4-hydroxy-benzene-sulfonate methanol solvate trihydrate.

Project description:In the title compound, [Ag(2)(C(14)H(14)N(4))(2)](C(7)H(4)O(6)S)·CH(3)OH·3H(2)O, the complex dication has a binuclear structure in which each Ag(I) ion is two-coordinated in a slightly distorted linear coordination geometry. The two Ag(I) atoms are bridged by two 1,2-bis-[(1H-imidazol-1-yl)meth-yl]benzene (IBI) ligands, forming a 22-membered ring. In the dication, π-π inter-actions are observed between the imidazole rings with centroid-centroid distances of 3.472 (3) and 3.636 (3) Å. In the crystal, the uncoordinated water mol-ecules, anions and methanol solvent mol-ecules are linked into chains along the b axis by O-H⋯O hydrogen bonds. In addition, π-π inter-actions are observed between the benzene rings of the IBI ligands, with a centroid-centroid distance of 3.776 (2) Å. The sulfonate group is disordered over two orientations with occupancies of 0.676 (12) and 0.324 (12).

| S-EPMC2970038 | biostudies-literature

catena-Poly[[diaqua-bis-(isoquinoline-κN)cobalt(II)]-μ-succinato-κO:O].

Project description:In the title compound, [Co(C(4)H(4)O(4))(C(9)H(7)N)(2)(H(2)O)(2)](n), the Co(II) cation, located on an inversion center, is coordinated by two succinate anions, two isoquinoline ligands and two water mol-ecules in a distorted octa-hedral geometry. The succinate anion, located across another inversion center, bridges the Co cations, forming polymeric chains running along the b axis. The partially overlapped arrangement of parallel isoquinoline ring systems of adjacent polymeric chains and the shorter face-to-face distance of 3.402 (6) Å indicates the existence of weak π-π stacking in the crystal structure. Classical intra- and inter-molecular O-H⋯O hydrogen bonding and weak non-classical inter-molecular C-H⋯O hydrogen bonding help to stabilize the crystal structure.

| S-EPMC3006983 | biostudies-literature

catena-Poly[[diaqua-dichlorido-manganese(II)]-?-1,1'-bis-(1H-1,2,4-triazol-1-ylmeth-yl)ferrocene].

Project description:In the title complex, [FeMn(C(8)H(8)N(3))(2)Cl(2)(H(2)O)(2)](n), the Mn(II) atom, located on an inversion center, is octa-hedrally coordinated by two N atoms from two adjacent 1,1'-bis-(1H-1,2,4-triazol-1-ylmeth-yl)ferrocene (btmf) ligands and two Cl atoms forming the equatorial plane, with the axial positions occupied by two O atoms of coordinated water mol-ecules. The btmf ligands link adjoining Mn(II) atoms into a zigzag chain along the a axis. The crystal structure is stabilized by inter-molecular O-H?N hydrogen bonds, which link the chains, forming a two-dimensional layer parallel to (10); O-H?Cl inter-actions link the layers, forming a three-dimensional network.

| S-EPMC2980034 | 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[[bis-(μ(2)-4-amino-benzene-sulfonato-κO:O)disilver]-bis-(μ(2)-4,4'-bipyridine-κN:N')].

Project description:In the title compound, [Ag(2)(C(6)H(6)NO(3)S)(2)(C(10)H(8)N(2))(2)](n), the Ag(I) atom is four-coordinated by two N atoms from two symmetry-related 4,4'-bipyridine (bipy) and two O atoms from two independent 4-amino-benzene-sulfonate (ABS) ligands. The two inter-chain Ag(I) atoms are bridged by two independent ABS ligands through weak Ag-O bonds and Ag⋯Ag attractions, forming a ladder-like chain coordination polymer [Ag(2)(ABS)(2)(bipy)(2)](n) parallel to [001], which is further linked to generate a two-dimensional structure via N-H⋯O hydrogen-bonding inter-actions.

| S-EPMC2960111 | biostudies-literature

Poly[[μ(2)-1,2-bis-(imidazol-1-ylmeth-yl)benzene](μ(2)-cyclo-hexane-1,4-dicarboxyl-ato)cobalt(II)].

Project description:In the the title compound, [Co(C(8)H(10)O(4))(C(14)H(14)N(4))](n), the Co(II) atom is four-coordinated by two N atoms from two different 1,2-bis-(imidazol-1-ylmeth-yl)benzene ligands and two carboxyl-ate O atoms from two different cyclo-hexane-1,4-dicarboxyl-ate anions in a tetra-hedral coordination geometry. The resulting structure is a two-dimensional polymer with layers in the (100) plane.

| S-EPMC2983598 | 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

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