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3rd Edition of

Chemistry World Conference

June 14-15, 2023 | Rome, Italy

Chemistry 2022

Heat capacities Cp(T) of the isostructural sphalerite phases as a single system in solid state

Speaker at Chemistry World Conference 2022 - Valery Pierre Vassiliev
Lomonosov Moscow State University, Russian Federation
Title : Heat capacities Cp(T) of the isostructural sphalerite phases as a single system in solid state

Abstract:

This work proposes a new vision on the description of heat capacities of diamond-like compounds with sphalerite structure. The 4th group of diamond-like elements consists of, in addition to diamond, silicon, germanium, alpha tin, and diamond-like lead. Flerovium (114Fl) closes this group. There should be no other elements in this group according to the fine structure constant or the Sommerfeld constant α. In this case, the sphalerite structure has the ultimate value of the heat capacity ?? =30.5 J mol-at-1 K-1 or 3.67 R, and it falls on 114th element (114Fl). This quantity arises when plotting the isotherms Ln (Cp/R) vs Ln(N). The heat capacities of sphalerite phases were considered as a single system

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