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Russian Chemical Bulletin

, Volume 42, Issue 1, pp 30–35 | Cite as

Thermal stability and crystal structure of potassium fluoride monoperoxosolvate KF·H2O2

  • K. V. Titova
  • O. A. D'yachenko
  • V. V. Gritsenko
  • G. V. Shilov
General and Inorganic Chemistry

Abstract

Potassium fluoride peroxosolvate KF-H2O2 was obtained upon action of a 30% aqueous solution of hydrogen peroxide on solid potassium fluoride dihydrate. As compared to other peroxosolvates, KF-H2O2 is characterized by the highest thermal stability: the decomposition rate constantk1, at 120°C is 1.4 10−3 min−1, the enthalpy of H2O2 addition to KF is 8.1 kcal/ mol. The correlation between the high stability of KF-H2O2 and the absence of catalytic properties of KF towards H2O2, and the formation of strong intermolecular O-H...F and intramolecular O-H...O hydrogen bonds in the crystal is discussed.

Key words

peroxosolvates potassium fluoride monoperoxosolvate thermal stability crystal structure hydrogen bond 

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Copyright information

© Plenum Publishing Corporation 1993

Authors and Affiliations

  • K. V. Titova
    • 1
  • O. A. D'yachenko
    • 2
  • V. V. Gritsenko
    • 2
  • G. V. Shilov
    • 2
  1. 1.Institute of New Chemical ProblemsRussian Academy of SciencesChernogolovka, Moscow RegionRussian Federation
  2. 2.Institute of Chemical Physics in ChernogolovkaRussian Academy of SciencesChernogolovka, Moscow RegionRussian Federation

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