Preparation and structure of bis(trifluoroacetato)dicarbonyl bis(triethylphosphine)molybdenum(lI) |
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| Affiliation: | 1. Centro de Química Estrutural, Institute of Molecular Sciences, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais, 1049-001 Lisbon, Portugal;2. Department of Chemistry, Baku State University, Z. Xalilov Str. 23, Az 1148 Baku, Azerbaijan;3. Laboratory of Nanostructured Fluorinated Materials (NFMLab), Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via L. Mancinelli 7, 20131 Milano, Italy;4. Peoples’ Friendship University of Russia (RUDN University), Research Institute of Chemistry, 6 Miklukho-Maklaya St, Moscow 117198, Russian Federation;1. School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan 610031, China;2. The State Key Laboratory of Physical Chemistry of Solid Surfaces, iChEM, Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 361005, China;3. Department of Chemistry, Western Michigan University, Kalamazoo, MI 49008, USA;1. College of Chemistry Chemical Engineering and Resource Utilization Northeast Forestry University Harbin 150040, China;2. Post-doctoral Mobile Research Station of Forestry Engineering Northeast Forestry University Harbin 150040, China;3. Heilongjiang Ecological Engineering College, Harbin, 150025, China |
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| Abstract: | The Mo(CO)2(PEt3)2(CF3COO)2 complex, obtained by prolonged reaction of trifluoroacetic acid with Mo(CO)3(PEt3)3 in dichloromethane, was characterized by spectroscopic methods and by X-ray crystal structure determination. The crystals belong to the monoclinic space group Cc, with a = 20.037, b = 10.879, c = 15.176 Å,β/3 = 129.28° and Z = 4. The structure was refined on 2135 observed reflections to R = 0.047. The Mo(II) atom is 7-coordinated and has a capped trigonal prism geometry, the capping position being occupied by a monodentate CF3CO2 ligand. The quadrangular plane contains one CO, one PEt3 and one bidentate CF3CO2 ligand. The remaining CO and PEt3 molecules are found on the opposite edge. |
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