Enthalpy of formation of 1,1-bis(difluoroamino)cyclohexane

  • V. I. Pepekin
  • A. Ya. Apin
Brief Communications


  1. 1.

    We experimentally determined the thermochemical characteristics of 1,1-bis(difluoroamino)cyclo-hexane: enthalpy of combustion=−1024.9 ±0.5 kcal/mole, enthalpy of formation=−52.5±0.5 kcal/mole,and heat of vaporization=10.6±0.2 kcal/mole.

  2. 2.

    On the basis of the experimental data we calculated the thermochemical energy of the N-F bond, which is equal to 68.4 kcal.



Experimental Data Combustion Enthalpy Thermochemical Characteristic Difluoroamino 
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Literature cited

  1. 1.
    V. I. Pepkin, Yu. A. Lebedev, N. P. Novoselov, Yu. M. Kosyrev, A. V. Fokin, and A. Ya. Apin, Izv. Akad. Nauk SSSR, Ser. Khim., 1128 (1968).Google Scholar
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    I. Lacher and H. Skinner, J. Chem. Soc.,A5, 1034 (1968).Google Scholar
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    V. A. Kireev, Practical Calculation Methods in the Thermodynamics of Chemical Reactions [in Russian], Khimiya (1970).Google Scholar
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    W. Good, D. Douslin, and I. McCullough, J. Phys. Chem.,67, 1312 (1963).Google Scholar
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    W. Good and N. Smith, J. Chem. Eng. Data,15, 147 (1970).Google Scholar

Copyright information

© Consultants Bureau 1973

Authors and Affiliations

  • V. I. Pepekin
    • 1
  • A. Ya. Apin
    • 1
  1. 1.Institute of Chemical PhysicsAcademy of Sciences of the USSRUSSR

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