Di‐μ‐chlorido‐bis[chlorido(4′‐p‐tolyl‐2,2′:6′,2′′‐terpyridine‐κ3N,N′,N′′)nickel(II)]: a supramolecular system constructed by C—H...Cl interactions |
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Authors: | Ying‐Lin Chen Ben‐Zhen Li Ping Yang Jian‐Zhong Wu |
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Abstract: | The title complex, Ni2Cl4(C22H17N3)2], was synthesized solvothermally. The molecule is a centrosymmetric dimer with the unique NiII centre in a distorted octahedral N3Cl3 coordination environment. The chloride bridges are highly asymmetric. In the 4′‐p‐tolyl‐2,2′:6′,2′′‐terpyridine ligand, the p‐tolyl group is perfectly coplanar with the attached pyridine ring, and this differs from the situation found in previously reported compounds; however, there are no π–π interactions between the ligands. The terminal Cl atom forms four intermolecular C—H...Cl hydrogen bonds with one methyl and three methine groups. The methyl group also forms intermolecular C—H...π interactions with a pyridine ring. These nonclassical hydrogen bonds extend the molecule into a three‐dimensional network. |
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