In the present research, the temperature dependence of the heat capacity C-p,m(o) = f(T) of tetraphenylantimony benzoate Ph4SbOC(O)Ph has been measured in the range T= (5 and 480) K in the precision adiabatic vacuum and differential scanning calorimeters and reported for the first time. In the studied temperature region the melting of the compound has been revealed and its standard thermodynamic characteristics were analyzed. The standard thermodynamic functions (p degrees = 0.1 MPa) of Ph4SbOC(O)Ph in crystalline and liquid states were calculated with the obtained experimental data:C-p,m(o)/R, Delta H-T(0)m(o)/RT, Delta S-T(0)m(o)/R and Phi(o)(m) = Delta S-T(0)m(o) - Delta H-T(0)m(o)/T (where R is the universal gas constant) from T -> 0 to 480 K. The energy of combustion of Ph4SbOC(O)Ph was measured. The standard enthalpy of combustion, formation enthalpy, formation entropy, Gibbs energy of formation of the substance in the crystalline state at T = 298.15 K were calculated. Comparison of thermodynamic properties was made for the derivatives of antimony studied in the present work, Ph5Sb and other of type Ph3SbX2. (C) 2018 Elsevier Ltd.