作者: Yonghong Wan , Linpei Jin , Kezhi Wang , Liping Zhang , Xiangjun Zheng
DOI: 10.1039/B206280C
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摘要: This paper presents four lanthanide coordination polymers, [Ln2(BDC)3(H2O)]n (Ln = La, 1; Ln = Eu, 2; Ln = Tb, 3; BDC = 1,2-benzenedicarboxylate) and [Yb4(BDC)6(H2O)2]n (4) prepared by the hydrothermal technique. They are all 2-D infinite structures with BDC anions connecting adjacent metal ions. In complex 1, La(III) ions eight- nine-coordinated, coplanar in structure. complexes 2 3, Eu(III) Tb(III) also but they distributed a wave-like network. 4, Yb(III) have different numbers (6, 7, 8 9), which rarely found one complex. Both arrangement of Ln atoms these polymers show contraction. complexes, oxygen take part Ln(III) ions, adopting tetra-, penta- hexadentate modes for phthalate anions. The luminescent properties been investigated results explanation chemical environment ion consistent X-ray analysis.