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(6,6'-Dimethyl-2,2'-bipyridine-?N,N')diiodidomercury(II).

ABSTRACT: In the title complex, [HgI(2)(C(12)H(12)N(2))], the Hg(II) atom has a distorted tetra-hedral coordination formed by two N atoms of the 6,6'-dimethyl-2,2'-bipyridine ligand and two terminal I atoms [N-Hg-N = 70.1?(2) and I-Hg-I = 130.59?(3)°]. The crystal packing features ?-? contacts between the pyridine rings of adjacent mol-ecules [centroid-centroid distance = 3.773?(5)?Å] and also between a pyridine ring of one mol-ecule and the five-membered chelate ring of an adjacent mol-ecule [centroid-centroid distance = 3.668?(4)?Å].

SUBMITTER: Alizadeh R

PROVIDER: S-EPMC3052018 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature

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(6,6'-Dimethyl-2,2'-bipyridine-κN,N')diiodidomercury(II).

Alizadeh Robabeh R Seifi Sara S Amani Vahid V

Acta crystallographica. Section E, Structure reports online 20110205 Pt 3

In the title complex, [HgI(2)(C(12)H(12)N(2))], the Hg(II) atom has a distorted tetra-hedral coordination formed by two N atoms of the 6,6'-dimethyl-2,2'-bipyridine ligand and two terminal I atoms [N-Hg-N = 70.1 (2) and I-Hg-I = 130.59 (3)°]. The crystal packing features π-π contacts between the pyridine rings of adjacent mol-ecules [centroid-centroid distance = 3.773 (5) Å] and also between a pyridine ring of one mol-ecule and the five-membered chelate ring of an adjacent mol-ecule [centroid-ce ...[more]

PMID: 21522242

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(5,5'-Dimethyl-2,2'-bipyridine-?N,N')diiodidomercury(II).

Project description:In the mol-ecule of the title compound, [HgI(2)(C(12)H(12)N(2))], the Hg(II) atom is four-coordinated in a distorted tetra-hedral configuration by two N atoms from 5,5'-dimethyl-2,2'-bipyridine and two I atoms. There is a ?-? contact between pyridine rings of adjacent molecules [centroid-centroid distance = 3.723?(5)?Å].

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(4,4'-Dimethyl-2,2'-bipyridine-?N,N')diiodidomercury(II).

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(6,6'-Dimethyl-2,2'-bipyridine-?N,N')diiodidozinc(II).

Project description:The complete mol-ecule of the title compound, [ZnI(2)(C(12)H(12)N(2))], is generated by crystallograpic twofold symmetry, with the Zn(II) atom lying on the rotation axis. The Zn(II) atom is coordinated by the N,N-bidentate 6,6'-dimethyl-2,2'-bipyridine ligand and two iodide ions, resulting in a distorted ZnN(2)I(2) tetra-hedral geometry for the metal. In the crystal, there are weak ?-? contacts between the pyridine rings [centroid-centroid distance = 3.978?(3)?Å].

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Dichlorido(6,6'-dimethyl-2,2'-bipyridine-?N,N')zinc(II).

Project description:In the title compound, [ZnCl(2)(C(12)H(12)N(2))], the complete mol-ecule is generated by crystallographic mirror symmetry, with the Zn atom and both chloride ions lying on the reflecting plane, yielding a distorted ZnN(2)Cl(2) tetra-hedral coordination for the metal ion. In the crystal, there are ?-? contacts between the pyridine rings [centroid-centroid distance = 3.7857?(17)?Å].

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Project description:In the title compound, [CoCl(2)(C(12)H(12)N(2))], the Co(II) atom is four-coordinated in a distorted tetra-hedral geometry by two N atoms from a 6,6'-dimethyl-2,2'-bipyridine ligand and two terminal Cl atoms. Inter-molecular C-H?Cl hydrogen bonds and ?-? stacking inter-actions between the pyridine rings [centroid-centroid distances = 3.788?(1) and 3.957?(1)?Å] are present in the crystal structure.

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Project description:In the title compound, [CoBr(2)(C(12)H(12)N(2))], the Co(II) atom is four-coordinated in a distorted tetra-hedral geometry by two N atoms from a 6,6'-dimethyl-2,2'-bipyridine ligand and by two terminal Br atoms. Inter-molecular C-H?Br hydrogen bonds and ?-? stacking between the pyridine rings in the bc plane [centroid-centroid distance = 3.725?(3)?Å] are present in the crystal structure.

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Project description:In the title compound, C(16)H(10)N(4)O(4), the two pyridine rings are twisted by 44.41?(2)° and the ester groups form dihedral angles of 48.77?(4) and 45.75?(2)° with the corresponding pyridine rings. The crystal structure is stabilized by inter-molecular C-H?O hydrogen bonds and ?-? stacking inter-actions between the pyridine rings [centroid-to-centroid distance 3.797?(2)?Å].

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Dibromido(6,6'-dimethyl-2,2'-bipyridine-?N,N')zinc(II).

Project description:In the title compound, [ZnBr(2)(C(12)H(12)N(2))], the Zn(II) atom is four-coordinated in a distorted tetra-hedral arrangement by an N,N'-bidentate 6,6'-dimethyl-2,2'-bipyridine ligand and two bromide ions. In the crystal, there are aromatic ?-? contacts between the pyridine rings [centroid-centroid distances = 3.818?(3) and 3.728?(4)?Å].

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Dichlorido(6,6'-dimethyl-2,2'-bipyridine-?N,N')cadmium(II).

Project description:In the title compound, [CdCl(2)(C(12)H(12)N(2))], the Cd(II) atom is four-coordinated in a distorted tetra-hedral geometry by two N atoms from a 6,6'-dimethyl-2,2'-bipyridine ligand and two terminal Cl atoms. Inter-molecular C-H?Cl hydrogen bonds and ?-? stacking inter-actions between the pyridyl rings [centroid-centroid distance = 3.7337?(18)?Å] are present in the crystal structure.

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