Abstract
In the title compound, [Zn(NCS)2(C24H22N4O)]·C3H7NO, the ZnII cation is N,N′,N′′-chelated by one 2-({4-[2,6-bis(pyridin-2-yl)pyridin-4-yl]phenyl}(methyl)amino)ethanol ligand and coordinated by two thiocyanate anions in a distorted N5 trigonal–bipyramidal geometry. In the molecule, the three pyridine rings are approximately coplanar [maximum deviation = 0.026 (5) Å], and the mean plane of the three pyridine rings is twisted to the benzene ring with a small dihedral angle of 5.9 (2)°. In the crystal, complex molecules are linked by weak C—H⋯O hydrogen bonds into supramolecular chains propagated along [110]; π–π stacking is observed between adjacent chains [centroid–centroid distance = 3.678 (4) Å]. The dimethylformamide solvent molecules are linked with the complex chains via weak C—H⋯O hydrogen bonds.
Highlights
ZnII cation is N,N0,N00 -chelated by one 2-({4-[2,6-bis(pyridin-2yl)pyridin-4-yl]phenyl}(methyl)amino)ethanol ligand and coordinated by two thiocyanate anions in a distorted N5 trigonal–bipyramidal geometry
Complex molecules are linked by weak C—H O hydrogen bonds into supramolecular chains propagated along [110]; – stacking is observed between adjacent chains [centroid–centroid distance = 3.678 (4) Å]
Zinc complexes with terpyridine derivatives are currently attracting attention for their interesting molecular topologies and crystal packing motifs, as well as the fact that they may be designed with specific applications in bioinorganic chemistry and material (Nie et al, 2014; Kharat et al, 2012)
Summary
ZnII cation is N,N0 ,N00 -chelated by one 2-({4-[2,6-bis(pyridin-2yl)pyridin-4-yl]phenyl}(methyl)amino)ethanol ligand and coordinated by two thiocyanate anions in a distorted N5 trigonal–bipyramidal geometry. Complex molecules are linked by weak C—H O hydrogen bonds into supramolecular chains propagated along [110]; – stacking is observed between adjacent chains [centroid–centroid distance = 3.678 (4) Å]. The dimethylformamide solvent molecules are linked with the complex chains via weak C—H O hydrogen bonds. H-atom parameters constrained max = 0.87 e Å3
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