In the present work the temperature dependence of heat capacity for hevein has been measured for the first time over the temperature range from 5 K to 344 K using by precision adiabatic vacuum calorimetry. Based on the experimental data, the thermodynamic functions of the hevein, namely, the heat capacity, enthalpy H degrees(T) - H degrees(0), entropy S degrees(T) - S degrees(0) and Gibbs function G degrees(T) - H degrees(0) have been evaluated from the experimental values for the range from T -> 0 K to 344 K. The low-temperature X-ray diffraction was used for the determination of type phase transition at 222.8 K and coefficients of thermal expansion. (C) 2018 Elsevier Ltd.