Thermodynamic study of bromine evaporation from solid Bi(III) polybromides

L. N. Zelenina, T. P. Chusova, A. V. Isakov, S. A. Adonin, M. N. Sokolov

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1 Citation (Scopus)


The pressure of saturated and unsaturated bromine vapor over solid Bi(III) polybromides (PyH)3[Bi2Br9(Br2)] and (N-MePy)3[Bi2Br9(Br2)], where Py is pyridinium, N-MePy is N-methil pyridinium, has been measured for the first time in a wide temperature range using a static method with glass membrane-gauge manometers. As a result of this study the thermal stabilities of investigated complexes were established, the temperature dependences of bromine vapor pressure were obtained, the thermodynamic characteristics of bromine evaporation processes (ΔprT, ΔprT) were calculated and a new possibility for the synthesis of polybromides was proposed.

Original languageEnglish
Article number105958
JournalJournal of Chemical Thermodynamics
Publication statusPublished - 1 Feb 2020


  • Bi(III) polybromides
  • Enthalpy and entropy of bromine evaporation processes
  • Static method with glass membrane-gauge manometers
  • Vapor pressure measurements
  • BR-2
  • ZINC

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