The standard thermodynamic properties of 4f metal trichlorides |
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Authors: | A. D. Chervonnyi N. A. Chervonnaya |
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Affiliation: | (1) Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia |
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Abstract: | The enthalpies of sublimation Δsub H 0(298) of 4f metal trichlorides were calculated by the second and third laws of thermodynamics from saturated vapor pressures using the thermodynamic functions of the condensed and gaseous states suggested by us. The set of the Δsub H o(298) enthalpies was analyzed to determine the most reliable values. The enthalpies of atomization found from these values were compared with those calculated from the measured equilibrium constants of gas phase reactions with the participation of the compounds under consideration and the enthalpies of atomization found from the experimental appearance potentials AP(Ln+/LnCl3). Recommended Δat H o(298) values were obtained for all the 4f metal trichlorides. |
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