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期刊论文
First Octameric Ellipsoid Lanthanide(Ⅲ) Complexes: Crystal Structure and Nonlinear Optical Absorptive and Refractive Properties
Inorganic Chemistry, Vol. 43, No.4, 2004，-0001，（）：
The ligand N,N'-bis(1,3,4-thiobiazolyl)-2,6-pyridyldicarboxamide (btapca) has been synthesized and its coordination properties toward La(Ⅲ) and Ce(Ⅲ) in the presence of air have been investigated. The complexes [Ln8(tbzcapc)12-(H2O)24]·6DMF (Ln=La, 1, Ce, 2; tbzcapc=6-[2-N-(1,3,4-thiabiazolyl)carboxamido]-2-pyridylcarboxylate) show octameric ellipsoid structures. We found the starting ligand btapca had been altered into tbzcapc during the formation process of [Ln8(tbzcapc)12(H2O)24]·6DMF. The NLO properties of complexes 1 and 2 were investigated via Z-scan techniques. It is interesting that the two isostructural complexes show completely different NLO properties. Complex 1 shows NLO refractive effects without absorption, while complex 2 possesses NLO absorptive behavior without refraction.
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