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Combined Relativistic Ab Initio Multireference and Experimental Study of the Electronic Structure of Terbium
Chun-Xiang Wang1, Yong Li2, Zhi-Feng Li1
1School of Materials Science and Engineering , Jiangxi University of Science and Technology , Ganzhou 341000 , People's Republic of China.
Abstract:
A new terbium (III) luminescent compound {[Tb2(PDC)2(ox)(H2O)4](H2O)2} was synthesized by the self-assembly of Tb3+ ions with 3,5-pyridinedicarboxylate (PDC) and oxalate (ox) ligands and characterized by fluorescence spectroscopy and single-crystal X-ray diffraction. The density functional theory (DFT) and high-level correlated ab initio wave function methods with Spin-Orbit Coupling correction (CASSCF/SO and CAS-NEVPT2/SOC) were successfully applied to predict the absorption and emission spectra of this strongly correlated lanthanide system in excellent agreement with the experimental results.
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