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Abstract
A series of new complexes of multi-sulfur 1,2-dithiolene ligands, [Ru(bipy)3][Ni(L)2]2 (bipy = 2,2′-bipyridine; L = pddt (6,7-dihydro-5H-1,4-dithiepin-2,3-dithiolate), dddt (5,6-dihydro-1,4-dithiin-2,3-dithiolate)), have been synthesized and characterized. One typical complex, [Ru(bipy)3][Ni(pddt)2]2·2H2O (1), crystallized in an acentric space group of P212121, with the cell dimensions of a = 8.634(1), b = 14.560(1), c = 49.889(5) Å, α = β = γ = 90°, and Z = 4. It consists of alternating columns of cations and anions along the a direction. The structure was refined by full matrix least squares methods to R 1 = 0.0340, wR 2 = 0.0670. Magnetic studies on [Ph2Cr][Ni(dddt)2] are also reported.
Acknowledgements
This work was supported by The Major State Basic Research Development Program (Grant No. G2000077500), the National Natural Science Foundation of China and the Center of Materials Analysis of Nanjing University.