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(Croconato-κO,O')bis-(1,10-phenanthroline-κN,N')manganese(II).

ABSTRACT: The title complex, [Mn(C(5)O(5))(C(12)H(8)N(2))(2)], lies across a crystallographic twofold axis which passes through the Mn atom and bisects the croconate ligand. The two 1,10-phenanthroline (phen) ligands are arranged in a propeller manner and the local mol-ecular geometry of the MnN(4)O(2) unit is severely distorted octa-hedral. This may be inter-preted as a structural perturbation of the MnN(4) square by the croconate ligand. In the crystal structure, the dipole moments of the mol-ecules are arranged alternately along the +b and -b directions. All the phen ligands are involved in π stacking inter-actions, alternately along the [110] and [10] directions. The alternate spacings between the neighbouring phen planes in the one-dimensional π stacks are 3.361 (2) and 3.526 (2) Å.

SUBMITTER: Chen HF

PROVIDER: S-EPMC2915107 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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(Croconato-κO,O')bis-(1,10-phenanthroline-κN,N')manganese(II).

Chen Hong-Feng HF Chen Hong-Yu HY Chen Xia X Batsanov Andrei S AS Fang Qi Q

Acta crystallographica. Section E, Structure reports online 20071212 Pt 1

The title complex, [Mn(C(5)O(5))(C(12)H(8)N(2))(2)], lies across a crystallographic twofold axis which passes through the Mn atom and bisects the croconate ligand. The two 1,10-phenanthroline (phen) ligands are arranged in a propeller manner and the local mol-ecular geometry of the MnN(4)O(2) unit is severely distorted octa-hedral. This may be inter-preted as a structural perturbation of the MnN(4) square by the croconate ligand. In the crystal structure, the dipole moments of the mol-ecules are ...[more]

PMID: 21200520

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(Formato-κO,O')bis-(1,10-phenanthroline-κN,N')manganese(II) perchlorate.

Project description:In the title complex, [Mn(CHO(2))(C(12)H(8)N(2))(2)]ClO(4), the Mn(II) cation is chelated by two 1,10-phenanthroline (phen) ligands and one formate anion in a distorted MnN(4)O(2) octa-hedral geometry. The two phen planes are oriented at a dihedral angle of 57.48 (11)°. The perchlorate anion links with the Mn complex cation via weak C-H⋯O hydrogen bonding.

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Chlorido(chloro-difluoro-acetato-κO)bis(1,10-phenanthroline-κN,N')manganese(II).

Project description:The chloride and chloro-difluoro-acetate anions occupy cis positions in the octa-hedral coordination geometry of the title compound, [Mn(C(2)ClF(2)O(2))Cl(C(12)H(8)N(2))(2)]. The two N-heterocycles both chelate the metal atom.

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Project description:In the asymmetric unit of the title complex, [Mn(C(7)H(5)O(3))(2)(C(14)H(12)N(2))(H(2)O)]·0.5C(14)H(12)N(2), the Mn(II) ion is coordinated by a bidentate 2,9-dimethyl-1,10-phenanthroline (dmphen) mol-ecule, one water mol-ecule and two monodentate 2-hydroxy-benzoate anions in a distorted trigonal-bipyramidal geometry. The OH group of the 2-hydroxy-benzoate anion is disordered over two positions with site-occupancy factors of 0.5. The asymmetric unit is completed with by an uncoordinated half-mol-ecule of dmphen, disordered about a crystallographic twofold axis. In the crystal structure, mol-ecules are linked into a two-dimensional framework by O-H⋯N, O-H⋯O and C-H⋯O hydrogen bonds. The packing of the structure is further stabilized by π-π stacking inter-actions involving dmphen mol-ecules, with centroid-centroid separations of 3.8027 (3) and 3.6319 (3) Å.

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(Croconato-κO,O')bis-(1,10-phenanthroline-κN,N')zinc(II).

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Aqua-bis-(benzoato-κO)(1,10-phenanthroline-κN,N')zinc(II).

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Aqua-(4-fluoro-benzoato-κO)bis-(1,10-phenanthroline-κN,N')manganese(II) 4-fluoro-benzoate trihydrate.

Project description:In the title compound, [Mn(C(7)H(4)FO(2))(C(12)H(8)N(2))(2)(H(2)O)](C(7)H(4)FO(2))·3H(2)O, the Mn(II) atom is coordinated by four N atoms from two chelating 1,10-phenanthroline ligands and two O atoms from one monodentate 4-fluoro-benzoate ion and one water mol-ecule, forming a distorted octa-hedral geometry. In the crystal, the three components are assembled into a tape structure along the a axis by O-H⋯O and C-H⋯O hydrogen bonds. Between the tapes, a π-π inter-action with a centroid-centroid distance of 3.569 (3) Å and a weak C-H⋯F hydrogen bond are observed.

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Tetra-kis(μ-phenoxy-acetato-κO:O')bis-[(1,10-phenanthroline-κN,N')manganese(II)] methanol hemisolvate.

Project description:The title complex, [Mn(2)(C(8)H(7)O(3))(4)(C(12)H(8)N(2))(2)]·0.5CH(3)OH, is a carboxyl-ate-bridged dinuclear Mn(II) complex with four phenoxy-acetate ions and two 1,10-phenanthroline mol-ecules as ligands. Each of the four phenoxy-acetate anions bridges the pair of Mn atoms. The asymmetric unit is completed by a half-occupancy methanol solvent mol-ecule. Face-to-face π-π stacking inter-actions between the aromatic rings of 1,10-phenanthroline molecules belonging to adjacent Mn(2) complexes, with an inter-planar separation of circa 3.4 Å, and weak C-H⋯O hydrogen bonds connect the dinuclear units into a three-dimensional supra-molecular framework.

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Bis(5-chloro-salicylato-κO)bis-(1,10-phenanthroline-κN,N')cadmium(II).

Project description:In the title complex, [Cd(C(7)H(4)ClO(3))(2)(C(12)H(8)N(2))(2)], the Cd atom is coordinated by two 5-chloro-salicylate ligands and two 1,10-phenanthroline ligands, displaying a distorted octa-hedral coordination geometry. The crystal structure is stabilized by O-H⋯O and C-H⋯O hydrogen bonds and π-π inter-actions between the 1,10-phenanthroline ligands and 5-chloro-salicylate ligands, with a centroid-centroid distance between neighbouring aromatic rings of 3.730 (1) Å.

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Aqua-(2,9-dimethyl-1,10-phenanthroline-κN,N')bis-(3-hydroxy-benzoato-κO)manganese(II)-2,9-dimethyl-1,10-phenanthroline-water (1/1/1).

Project description:In the title compound, [Mn(C(7)H(5)O(3))(2)(C(14)H(12)N(2))(H(2)O)]·C(14)H(12)N(2)·H(2)O, the Mn(II) ion is coordinated by a bidentate 2,9-dimethyl-1,10-phenanthroline (dmphen) ligand, two monodentate 3-hydroxy-benzoate anions (3-HBA) and one water mol-ecule in a distorted trigonal-bipyramidal environment. An uncoordinated dmphen and an uncoordinated water mol-ecule cocrystallized with each complex mol-ecule. Intra- and inter-molecular O-H⋯N and O-H⋯O hydrogen bonds are also present between the coordinated 3-HBA and water mol-ecules and the uncoordinated dmphen and water mol-ecules in the crystal. The packing of the structure is further stabilized by π-π stacking inter-actions involving dmphen mol-ecules, with a centroid-centroid separation of 3.705 (3) Å.

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