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Russian Journal of Physical Chemistry

, Volume 81, Issue 1, pp 1–4 | Cite as

The standard enthalpy of formation of 1,2,3,4-tetrachlorodibenzo-p-dioxine

  • V. A. Luk’yanova
  • T. S. Papina
  • V. P. Kolesov
  • N. V. Chelovskaya
  • A. N. Fedotov
  • P. I. Dem’yanov
  • N. V. Avramenko
  • V. P. Vorob’eva
Chemical Thermodynamics and Thermochemistry

Abstract

The energy of combustion of crystalline 1,2,3,4-tetrachlorodibenzo-p-dioxine (-5122.9 ± 7.4 kJ/mol) was measured using an isothermic-shell calorimeter with a rotating platinum plated bomb. The result was used to calculate the enthalpy of combustion (-5120.4 ± 7.4 kJ/mol) and formation (−267.8 ± 7.6 kJ/mol) for the crystalline state. The enthalpy of sublimation was measured using a Calvet microcalorimeter at 411.5 K (116.0 ± 2.6 kJ/mol); recalculation to T = 298.15 K gave 118.7 ± 2.6 kJ/mol. The enthalpy of formation of 1,2,3,4-tetrachlorodibenzo-p-dioxine in the gas state was calculated (−149.1 ± 8.0 kJ/mol)

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Copyright information

© Pleiades Publishing, Ltd. 2007

Authors and Affiliations

  • V. A. Luk’yanova
    • 1
  • T. S. Papina
    • 1
  • V. P. Kolesov
    • 1
  • N. V. Chelovskaya
    • 1
  • A. N. Fedotov
    • 1
  • P. I. Dem’yanov
    • 1
  • N. V. Avramenko
    • 1
  • V. P. Vorob’eva
    • 2
  1. 1.Faculty of ChemistryMoscow State UniversityLeninskie gory, MoscowRussia
  2. 2.Semenov Institute of Chemical PhysicsRussian Academy of SciencesMoscowRussia

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