Abstract
Ruthenium, palladium and platinum complexes of 2,2,6,6-tetramethyl-3,5-heptanedione (thd) and ruthenium tris acetylacetonate (acac) were synthetized and studied with TG, DTA, DSC and MS methods. Thermal properties of ruthenocene were also studied. The platinum thd complex has the highest volatility despite the second highest molecular mass of the complex. All the complexes sublimed under reduced pressure. Ru(acac)3 decomposed during sublimation under atmospheric pressure of nitrogen whereas the other compounds studied sublimed also under these conditions. Pd(thd)2 reduced under atmospheric pressure of H2 /N2 (5% H2 ) whereas the ruthenium complexes were not reduced. The field desorption mass spectra of complexes showed only the molecular peaks and no fragmentation occurred.
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Lashdaf, M., Hatanpää, T. & Tiitta, M. Volatile β-diketonato Complexes of Ruthenium, Palladium and Platinum. Preparation and Thermal Characterization. Journal of Thermal Analysis and Calorimetry 64, 1171–1182 (2001). https://doi.org/10.1023/A:1011549130134
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DOI: https://doi.org/10.1023/A:1011549130134