Hydrothermal Synthesis,Crystal Structure,and Luminescence Property of Two Lanthanide Coordination Polymers with Diglycolic Acid |
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| Authors: | Xia Li Yan-Ling Ju |
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| Affiliation: | (1) Department of Chemistry, Capital Normal University, Beijing, 100048, People’s Republic of China |
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| Abstract: | Abstract Two new coordination polymers {[Tb2(C4H4O5)3 · 4H2O] · 2H2O} n (1) and {[La2(C4H4O5)3 · 3H2O] · 3H2O} n (2) (C4H4O5 2− = diglycolato) were prepared by hydrothermal reaction and characterized by X-ray crystallography. The two complexes have different network structures through carboxylate oxygen atoms and ether oxygen atoms from diglycolato ligands linking lanthanide ions. The characteristic transition bands 5D4 → 7FJ (J = 6 − 3) of Tb(III) ion are observed in complex 1. Graphical Abstract Two new coordination polymers {[Tb2(C4H4O5)3 · 4H2O] · 2H2O} n (1) and {[La2(C4H4O5)3 · 3H2O] · 3H2O} n (2) (C4H4O5 2− = diglycolato) have network structures through the carboxylate oxygen atoms and ether oxygen atoms from diglycolato ligands. The emission spectrum of complex 1 indicates the 5D4 → 7FJ (J = 6 − 3) transitions of Tb(III) ion.  |
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| Keywords: | Lanthanide coordination polymers Diglycolic acid Hydrothermal synthesis Crystal structure Luminescence property |
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