This HOT article describes the synthesis and crystal structures of four mono- or bi-cyclic Mo/S/Cu clusters from a pre-designed cluster [(η5-C5Me5)2Mo2(µ3-S)4(CuMeCN)2]2+ with tetraphosphine or N,P mixed ligands. The femtosecond third order non-linear optical (NLO) performances of the products are enhanced due to the increased number of cluster cores. As both the cluster-based building blocks and the multiple organic linkers are pre-designed, it could be useful for the rational design and assembly of coordination frameworks, possibly allowing the preparation of other new materials with enhanced NLO performance.
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Assembly of bicyclic or monocyclic clusters from [(η5-C5Me5)2Mo2(µ3-S)4(CuMeCN)2]2+ with tetraphosphine or N,P mixed ligands: syntheses, structures and enhanced third-order NLO performances
Zhi-Gang Ren, Sha Sun, Min Dai, Hui-Fang Wang, Chun-Ning Lü, Jian-Ping Lang and Zhen-Rong Sun
Dalton Trans., 2011, Advance Article