NMR, X-ray and Mass-spectrometry: characterization of some heteroleptic aluminium alkoxide complexes
| Autor: | Baù D. 1, Carta G. 1, Benetollo F. 1, Rossetto G. 1, Tamburini S. 1, Turgambaeva A. 2, Zanella P. 1 |
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| Rok vydání: | 2003 |
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| Zdroj: | 8 (2003): 104–110. info:cnr-pdr/source/autori:Baù D. 1, Carta G. 1, Benetollo F. 1, Rossetto G. 1, Tamburini S. 1, Turgambaeva A. 2, Zanella P. 1/titolo:NMR, X-ray and Mass-spectrometry: characterization of some heteroleptic aluminium alkoxide complexes/doi:/rivista:/anno:2003/pagina_da:104/pagina_a:110/intervallo_pagine:104–110/volume:8 |
| Popis: | Among the synthesized (CH3)2AlOR compounds (R=CH2CH2OCH3 (1), CH(CH3)CH2OCH3 (2), CH2CH2OCH(CH3)2 (3), CH(CH3)CH2OC(CH3)3 (4)), 2 and 4 have been characterized by 1H and 27Al NMR spectroscopy and X-ray diffraction, while 1, 2 and 3 have been analysed by mass spectrometric measurements with a mass spectrometer equipped with a special designed input system imitating a CVD reactor. While in the solid state it is unequivocally clear that the compounds are present in the form of an oxygen-bridged dimer with a five-coordinated aluminum center, in solution an equilibrium exists between two fluxional species containing tetra and penta coordinated Al atoms respectively. |
| Databáze: | OpenAIRE |
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