Experimental and predicted atomization energies of rare-earth diaurides |
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| Affiliation: | 1. School of Computer Science and Engineering, South China University of technology, Guangzhou, China;2. School of Computing, Clemson University, SC, USA;3. Department of Computer Science and Information Engineering, Chung Hua University, Taiwan;1. Department of Chemistry, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India;2. Department of Chemistry, Faculty of Natural and Agricultural Sciences, School of Chemical and Physical Sciences, North-West University, Private Bag X2046, Mmabatho 2735, South Africa;3. Material Science Innovation & Modelling (MaSIM) Research Focus Area, Faculty of Natural and Agricultural Sciences, North-West University, Private Bag X2046, Mmabatho 2735, South Africa;4. Center of Research Excellence in Corrosion, Research Institute, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;1. Hubei Collaborative Innovation Center for Advanced Materials, Faculty of Physics and Electronic Science, China University of Geosciences, Wuhan, Hubei, 430074, PR China;2. Faculty of Materials Science and Chemistry, Department of Aeronautical & Automotive Engineering, Loughborough University, Loughborough LE11 3TU, UK;3. Department of Energy Technology, Royal Institute of Technology, Stockholm, SE, 10044, Sweden;4. Department of Physics, COMSATS Institute of Information Technology, Lahore, 54000, Pakistan;5. Physics Department Technion, Israel Institute of Technology, Haifa, 3200003, Israel |
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| Abstract: | The atomization energies, ΔHo,at0, of the molecules LuAu2, HoAu2 and TbAu2 were determined by means of high-temperature Kundsen-cell mass spectrometry as 143.9 ± 8, 131.1 ± 8 and 143.3 ± 8 kcal mole−1, respectively.The measured atomization energies suggest the structure AuLnAu. They agree with the values calculated after the Pauling model by assuming two polar single bonds. The remaining rare-earth metals are also expected to form stable diaurides with atomization energies similar to those calculated after the Pauling model. |
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