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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| Institution: | (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}
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(1) and {La2(C4H4O5)3 · 3H2O] · 3H2O}
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(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}
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(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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