Crystal structures,semiempirical PM3 calculations and NMR studies of trimesityllead bromide and dimesityllead dibromide |
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| Institution: | 1. Department of Opto-electronics and Information Engineering, School of Precision Instruments and Opto-electronics Engineering, and Key Laboratory of Optoelectronic Information Technology (Ministry of Education), Tianjin University, Tianjin 300072, China;2. School of Physics, Nankai University, Tianjin 350001, China;3. Department of Engineering, Pierre and Marie Curie University (University of Paris VI), 4 place Jussieu, 75005 Paris, France;4. Department of Electronic Engineering, and State Key Laboratory of Millimeter Waves, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China |
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| Abstract: | Trimesityllead bromide has been synthesized by the reaction of mesityllithium with lead(II) chloride in tetrahydrofuran (THF). As a side product, dimesityllead dibromide was formed. The structures of both compounds were determined by single-crystal X-ray diffraction analysis. Both Mes3PbBr and Mes2PbBr2 were characterized by NMR (1H, 13C and 207Pb) and other spectroscopic methods. 207Pb–1H and 207Pb–13C coupling constants were determined. The experimentally obtained X-ray data were compared with those calculated at the semiempirical PM3 level. |
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