Thermodynamic Consistency of the Melting Point Parameters for Osmium

Taking into account the large volume of new data, the calculation of the melting curve of osmium, together with determination of its heat of fusion, has been revised. The new results agree noticeably better with quantum mechanical calculation data. It is significant that the slope parameter for the melting curve is compatible with the new estimate of the heat of fusion, which was approximately half the value accepted in the reference literature. It is shown that a detailed analysis of periodic table confirms the choice of entropy and heat of fusion.