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Authors
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Hijazi, A. K. ; Al Hmaideen, A. ; Syukri, S. ; Radha Krishnan, N. ; Herdtweck, E. ; Voit, B. ; Kühn, F. E.
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Title
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Synthesis and characterization of acetonitrile-ligated transition-metal complexes with tetrakis(pentafluorophenyl) borate as counteranions
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Date
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12.05.2008
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Number
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16167
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Abstract
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Complexes with the general formula [MII(NCCH3)6][TPFB]2 [M = Cr, Fe, Co, Ni, Cu, Zn, (TPFB)- = tetrakis(pentafluorophenyl)borate] were synthesized and characterized both in the solid state and in solution. According to the spectroscopic data, [TPFB] can be considered as a truly noncoordinating anion. The NCCH3 ligands are lost if the samples are kept at room temperature for extended periods of time. Thermolysis leads to the loss of the NCCH3 ligands and decomposition of the anion above 100 °C with the formation of MF2. It has to be noted that distortion of the geometries of the CuII, ZnII and CrII complexes occurs, as evidenced by infrared spectroscopy. The complexes can be easily prepared and obtained in high yields and are moderately sensitive to air. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2008)
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Publisher
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European Journal of Inorganic Chemistry
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Wikidata
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Citation
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European Journal of Inorganic Chemistry 2008 (2008) 2892-2898
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DOI
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https://doi.org/10.1002/ejic.200800201
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Tags
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acetonitrile ligands weakly coordinating anions transition metals cambridge structural database methyl cyanide complexes pressure nmr kinetics cyclopentadiene polymerization mesoporous silica magnetic-resonance manganese(ii) complexes olefin polymerizatio
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