Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 88: Issue 2
10.1007/s10973-006-8123-z
Authors:
Maša Linarić Brodarski Institute – Marine Research and Special Technology Laboratory for Thermal Analysis Zagreb Croatia 10000 Av. V. Holjevca 20 Zagreb Croatia 10000 Av. V. Holjevca 20

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Zora Popović University of Zagreb Laboratory for General and Inorganic Chemistry, Faculty of Science, Chemistry Department Zagreb Croatia 10000 Horvatovac 102 A Zagreb Croatia 10000 Horvatovac 102 A

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Željka Soldin University of Zagreb Laboratory for General and Inorganic Chemistry, Faculty of Science, Chemistry Department Zagreb Croatia 10000 Horvatovac 102 A Zagreb Croatia 10000 Horvatovac 102 A

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Pages:
489–493
Online Publication Date:
16 May 2007
Publication Date:
01 May 2007
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-006-8123-z
Keywords:
β-diketone; Flynn–Wall kinetics; mercurated hexafluoro- and trifluoroacetylacetone; thermal characterization
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Abstract  

This work presents preparation and thermal characterization of three novel organomercurials: Hg2(CF3COCHCOCF3)2-μ2-(CF3COCCOCF3)μ2(CF3C(OH)2CH2C(OH)2CF3) (I), Hg2(CF3COCHCOCF3)2-μ2-(CF3COCCOCF3) (II) and Hg2(CH3COCHCOCF3)2-μ2-(CH3COCCOCF3) (III) which means that they contain at least one direct mercury-to-carbon bond among the carbonyl groups of β-diketone molecules which are capable for chelating of metal ions. IR-spectra support the conclusion that mercury is most probably bound to the γ-carbon of fluorinated derivatives of acetylacetone and is not chelated through oxygen in any of the isolated compounds. The thermal decomposition of mercurated hexafluoro- and trifluoroacetylacetone in nitrogen occurs in a few steps. Each step was identified and studied by simultaneous DTA/TG analyzer. On the basis of dynamic heating experiments by TG applying Flynn-Wall method the activation energy for each of them was determined.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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