Abstract
In the molecule of the title compound, [CoBr2(C11H10N2)], the CoII atom is four-coordinated in a distorted tetrahedral geometry by two N atoms from a chelating 6-methyl-2,2′-bipyridine ligand and two terminal Br atoms. In the crystal, π–π stacking interactions between the pyridine rings along the a-axis direction [centroid–centroid distance = 3.761 (7) Å] and C—H⋯Br hydrogen bonds in the bc plane together generate the three-dimensional packing.
Highlights
CoII atom is four-coordinated in a distorted tetrahedral geometry by two N atoms from a chelating 6-methyl-2,20 bipyridine ligand and two terminal Br atoms
We report the synthesis and crystal structure of the title compound, (I)
In the title compound (Fig. 1), the CoII atom is four-coordinated in a distorted tetrahedral geometry by two N atoms from a chelating 6-mbipy ligand and two terminal Br atoms (Table 1)
Summary
R factor = 0.085; wR factor = 0.164; data-to-parameter ratio = 17.4. CoII atom is four-coordinated in a distorted tetrahedral geometry by two N atoms from a chelating 6-methyl-2,20 bipyridine ligand and two terminal Br atoms. Stacking interactions between the pyridine rings along the aaxis direction [centroid–centroid distance = 3.761 (7) Å] and. C—H Br hydrogen bonds in the bc plane together generate the three-dimensional packing. Symmetry codes: (i) x þ 12; y 12; z þ 12; (ii) x þ 1; y þ 1; z. Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997) and Mercury (Macrae et al, 2006); software used to prepare material for publication: SHELXL97
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