“…Previously, we reported the thermodynamic properties of pentaphenylantimony Ph 5 Sb [11], tetraphenylantimony benzophenoneoxymate Ph 4 SbONCPh 2 [12], tetraphenylantimony acetophenoneoxymate Ph 4 SbONCPhMe [13], triphenylantimony diacrylate Ph 3 Sb(O 2 CCH=CH 2 ) 2 [14], triphenylantimony dimethacrylate Ph 3 Sb(O 2 CCMe=CH 2 ) 2 [15], triphenylantimony bis(acetophenoneoxymate) Ph 3 Sb(ONCPhMe) 2 [16,17], and triphenylantimony bis(1-adamantanecarboxylate) Ph 3 Sb[OC(O)C 10 H 15 ] 2 [18]. The present article continues our studies in the same line and reports the calorimetric study of the temperature dependence of the heat capacity of triphenylantimony and triphenylbismuth dicrotonates from 6.5 to 490 K including the detection of possible physical transitions, the calculation of the standard thermodynamic functions, namely C o p , H°(T)-H°(0), S°(T), and G°(T)-H°(0) from T ?…”