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Dichlorido(2,9-dimethyl-1,10-phenanthroline-?N,N')copper(II).

ABSTRACT: In the title compound, [CuCl(2)(C(14)H(12)N(2))], the complex molecule has m symmetry, with the mirror plane oriented parallel to the planar molecule and the ligated Cu(II) atom. The metal centre has a distorted tetra-hedral coordination formed by two N atoms from one 2,9-dimethyl-1,10-phenanthroline ligand and two Cl atoms. There is inter-molecular ?-? stacking between adjacent 2,9-dimethyl-1,10-phenanthroline ligands, with a centroid-centroid distance of 3.733?(2)Å.

SUBMITTER: Wang BS

PROVIDER: S-EPMC2970365 | biostudies-literature | 2009 Sep

REPOSITORIES: biostudies-literature

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Dichlorido(2,9-dimethyl-1,10-phenanthroline-κN,N')copper(II).

Wang B S BS Zhong H H

Acta crystallographica. Section E, Structure reports online 20090905 Pt 10

In the title compound, [CuCl(2)(C(14)H(12)N(2))], the complex molecule has m symmetry, with the mirror plane oriented parallel to the planar molecule and the ligated Cu(II) atom. The metal centre has a distorted tetra-hedral coordination formed by two N atoms from one 2,9-dimethyl-1,10-phenanthroline ligand and two Cl atoms. There is inter-molecular π-π stacking between adjacent 2,9-dimethyl-1,10-phenanthroline ligands, with a centroid-centroid distance of 3.733 (2)Å. ...[more]

PMID: 21577696

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Project description:In the crystal structure of the title compound, [ZnCl(2)(C(14)H(12)N(2)O(2))], the Zn(II) center is four-coordinated by two N atoms from one 2,9-dimeth-oxy-1,10-phenanthroline ligand and two Cl atoms. The coordination geometry is distorted tetra-hedral, as the Zn-N bond distances are shorter than the Zn-Cl distances, and the Cl-Zn-N and Cl-Zn-Cl bond angles are much larger than the N-Zn-N angle. For the ligand, the O and C atoms of the meth-oxy groups are almost in the plane defined by the phenanthroline ring. The two O atoms deviate from the phenanthroline mean plane by 0.076?(2) and 0.084?(2)?Å, and the two methyl C atoms deviate from the phenanthroline mean plane by 0.035?(3) and 0.361?(3)?Å. There are medium ?-? stacking interactions between two parallel phenanthroline rings with a centroid-centroid distance of 3.7860?(2)?Å and a dihedral angle between the plane defined by the two parallel phenanthroline rings of 1.13?(5)°.

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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 ?-? stacking inter-actions involving dmphen mol-ecules, with centroid-centroid separations of 3.8027?(3) and 3.6319?(3)?Å.

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Project description:In the title complex, [Cu(C(7)H(3)NO(5))(C(14)H(12)N(2))]·3H(2)O, there are two independent neutral mol-ecules of the Cu complex along with six mol-ecules of water of hydration in the asymmetric unit. The Cu(II )atoms in each complex adopt a distorted square-pyramidal coordination geometry being penta-coordinated by one N and two O atoms of 4-hydroxy-pyridine-2,6-dicarboxyl-ate anions and two N atoms of 2,9-dimethyl-1,10-phenanthroline (dmp) molecules. In the crystal structure, there are O-H?O and C-H?O hydrogen bonds and five ?-? stacking inter-actions with centroid-centroid distances in the range 3.620?(1)-3.712?(1)?Å. In addition, a C-H?? inter-action between a heterocyclic ring of dmp is observed to reinforce the crystal cohesion.

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Project description:In the mol-ecule of the title compound, [HgBr(2)(C(14)H(12)N(2))], the Hg(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from a 2,9-dimethyl-1,10-phenanthroline ligand and by two Br atoms. In the crystal structure, weak inter-molecular C-H?Br hydrogen bonds link the mol-ecules into chains along the b axis. There are ?-? contacts between the phenanthroline rings [centroid-centroid distances = 3.806?(4), 3.819?(4), 3.739?(3), 3.690?(3), 3.619?(4) and 3.674?(3)?Å].

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