Abstract
In the present research, the temperature dependences of heat capacity of triphenylantimony dicrotonate Ph3Sb(O2CCH=CHCH3)2 and triphenylbismuth dicrotonate Ph3Bi(O2CCH=CHCH3)2 were studied by means of precision adiabatic vacuum calorimetry and differential scanning calorimetry over the temperature range from 6.5 to 490 K. The thermal stability of the samples was investigated by thermogravimetric analysis. The experimental data were used to calculate the standard thermodynamic functions: heat capacity, enthalpy, entropy, and Gibbs energy over the range from T → 0 to 400–420 K. For the compounds under study, the standard entropy of formation was calculated at T = 298.15 K.
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