Journal
CHEMICAL COMMUNICATIONS
Volume 57, Issue 82, Pages 10727-10730Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc05246b
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Funding
- Hong Kong Research Grants Council [12300320]
- Research Grant Council, University Grant Committee of the HKSAR
- Hong Kong Baptist University
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Supported by experimental work, calculations using wavefunction theory and density functional theory were performed for two lanthanide complexes to study frontier orbital representations and transitions. Functionals with higher Hartree-Fock exchange proportions showed better agreement with wavefunction theory, emphasizing the importance of functional choice in understanding orbital transitions.
Supported by experimental work, wavefunction theory (WFT) calculations and density functional theory (DFT) calculations employing a range of functionals have been performed for two lanthanide complexes to investigate, in gas and solution phases, the representations of frontier orbitals and the orbital transitions between singlet states. The orbital transitions calculated using CASSCF/NEVTP2 served as reference. Functionals with a higher proportion of Hartree-Fock exchange gave better agreement with WFT. The choice of functional is therefore important for understanding the nature of orbital transitions and this is especially relevant in formulating antenna-metal ion energy transfer (ET) mechanisms.
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