A Pyridine-copper Inclusion Complex of a New Tripodal Ligand

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A pyridine-copper inclusion complex with [Cu(py)4Cl]+ core was prepared in the presence of tripodal ligand tbst {tbst = 1,3,5-tris(2-benzimidazol)sulfanylmethyl-2,4,6-trimethyl- benzene}, and its structure has been determined. It crystallizes in triclinic, space group P with a = 9.0822(2), b = 17.6026(4), c = 18.7156(4) ? a = 93.40, b = 91.2980(1), g = 91.5560(1), V = 2984.81(1) 3, C58H63Cl2CuN11O4S3, Mr = 1208.81, Z = 2, F(000) = 1262, Dc = 1.345 g/cm3, m = 0.615 mm-1, R = 0.0713 and wR = 0.1307 for 7798 observed reflections (I > 2s(I)). X-ray analysis reveals that the uncoordinated tbst and pyridine as guest molecules are included in the complex with formula {[Cu(py)4Cl]Cl}(tbst)(py)4H2O. The tbst, pyridine, aqua and Cl- anion in the com- plex form extensive hydrogen-bonding interactions, building up a quasi-dinuclear structure. A pyridine-copper inclusion complex with [Cu (py) 4Cl] + core was prepared in the presence of tripodal ligand tbst {tbst = 1,3,5-tris (2-benzimidazol) sulfanylmethyl-2,4,6-trimethyl- It crystallizes in triclinic space group P with a = 9.0822 (2), b = 17.6026 (4), c = 18.7156 (4)? a = 93.40, b = 91.2980 (1) , g = 91.5560 (1), V = 2984.81 (1) 3, C58H63Cl2CuN11O4S3, Mr = 1208.81, Z = 2, F (000) = 1262, Dc = 1.345 g / cm3, m = 0.615 mm-1, R = and wR = 0.1307 for 7798 observed reflections (I> 2s (I)). X-ray analysis reveals that the uncoordinated tbst and pyridine as guest molecules are included in the complex with formula {[Cu (py) 4Cl] Cl} ) (py) 4H2O. The tbst, pyridine, aqua and Cl-anion in the com plex form extensive hydrogen-bonding interactions, building up a quasi-dinuclear structure.
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