科研之友
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摘要
Two lactate lanthanide coordination polymers, {[LnNa(lactate)(4)]center dot 2(H2O)}(n) (Ln - Sm (1) and Eu (2)), have been synthesized through the salt elimination reactions. X-ray diffraction analysis reveals that complexes 1 and 2 are isomorphic featured 1D tube-like structure incorporating with two distinct coordination models of lactate. Further, the alternative coordinated Ln(III) and Na-I ions with lactate forms a novel coordination framework. The XRD spectra demonstrate that the complex decomposes step by step with the increasing temperature. Complex 2 exhibits essential characteristic luminescence of Eu-III ion.
