Single crystal 63Cu and 65Cu ENDOR of bis(2,4-pentanedionato)copper(II) |
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| Affiliation: | 1. Department of Civil and Environmental Engineering, Texas Tech University, Lubbock, USA;2. Department of Civil and Environmental Engineering, Gachon University, Seongnam, South Korea;3. Department of Civil Engineering, Kangwon National University, Chuncheon, South Korea;1. Department of Chemical and Biomolecular Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea;2. Department of New Energy Engineering, Seoul National University of Science and Technology, Seoul, 01811, Republic of Korea;3. Department of Chemical Engineering, Myongji University, Yongin, 17058, Republic of Korea;4. Research Institute of Industrial Technology Convergence, Korea Institute of Industrial Technology, Ansan, 15588, Republic of Korea;5. Department of Chemical Engineering, Hanyang University, Seoul, 04763, Republic of Korea;1. MIT Portugal Doctoral Program, Sustainable Energy Systems, University of Coimbra, Rua Luís Reis Santos, Pólo II, 3030-788 Coimbra, Portugal;2. Institute of Earth Sciences (ICT), University of Évora, Colégio Luís António Verney, Rua Romão Ramalho, 59, 7000-671 Évora, Portugal;3. Department of Geosciences, School of Science and Technology, Institute for Research and Advanced Training, Institute of Earth Sciences, University of Évora, Colégio Luís António Verney, Rua Romão Ramalho, 59, 7000-671 Évora, Portugal;4. CeBER and Faculty of Economics, University of Coimbra, Av. Dias da Silva, 165, 3004-512 Coimbra, Portugal;5. INESC Coimbra, Rua Sílvio Lima, Pólo II, 3030-290 Coimbra, Portugal;1. College of Materials Science and Engineering, Zhejiang University of Technology, Hangzhou, 310014, China;2. School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, China;3. Key Laboratory of Waste Treatment and Resource Recycle, Southwest University of Science and Technology, Ministry of Education, Mianyang, 621010, China;4. Zhejiang Fangyuan Test Group Co, Ltd, Hangzhou, Zhejiang, 310013, China |
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| Abstract: | ENDOR spectra were obtained from 63Cu and 65Cu nuclei in bis(2,4-pentanedionato)copper(II) doped in bis(2,4-pentanedionato)palladium(II) single crystals. The copper hyperfine and nuclear quadrupole coupling constants determined from the ENDOR spectra are compared to those obtained previously by EPR. The nuclear quadrupole coupling tensor obtained from ENDOR reveals deviation from the axial symmetry. It is shown that the asymmetry may arise from interaction with the field gradient attributable to the charges on the ligand. |
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