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Статья
2021

Thermal Properties of Cobalt(II) β-Iminoketonates


S. I. DorovskikhS. I. Dorovskikh, P. А. StabnikovP. А. Stabnikov, L. N. ZeleninaL. N. Zelenina, S. V. SysoevS. V. Sysoev, N. B. MorozovaN. B. Morozova
Российский журнал общей химии
https://doi.org/10.1134/S107036322110008X
Abstract / Full Text

Thermogravimetry, differential scanning calorimetry, and flow methods were used to investigate thermal properties of a series of cobalt(II) β-iminoketonates [R2C(NR1)CHC(O)R2]. The consecutive order of their volatility was determined. The complexes do not decompose up to melting and do not undergo phase transitions. For the complex (R1 = Н, R2 = Me) the temperature dependence of sublimation ln (p/p0) = 32.02 ‒ 16822/T(K) at 402.6‒433.7 K was measured and the values of ΔsublH°Т* = 140±4 kJ/mol and ΔsublS°Т* = 266±10 J/(K·mol) were calculated.

Author information
  • Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, RussiaS. I. Dorovskikh, P. А. Stabnikov, L. N. Zelenina, S. V. Sysoev & N. B. Morozova
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