Chemistry Letters, Vol.35, No.6, 650-651, 2006
Synthesis, crystal structure, and optical limiting effect of a Cu(I) coordination polymeric cluster bridged by chiral-carbon skeleton bipyridyl ligand
Solution reaction of Cu(I) iodide with chiral-carbon skeleton ligand 2,3-di(4-pyridyl)-2,3-butanediol (meso-dpb) in DMSO generated a novel 2D coordination polymeric cluster [(CuI)(4)(dpb)(4)(DMSO)(4)(CH3OH)(4)(H2O)](n) (1), in which the dpb exhibits a 77 conformation and the adaptable Cu2I2 rhomboid cluster unit facilitates the formation of a final noninterpenetrating motif. The nonlinear optical limiting property of 1 was also studied at 532 nm. The limiting threshold was determined to be 0.42 J cm(-2) and this value is three times better than 1.6 J cm(-2) of C-60.