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Isobaric Heat Capacity, Isothermal Compressibility and Fluctuational Properties of 1-Bromoalkanes


We present results of the experimental measurements of the isobaric heat capacity for 1-bromohexane, 1-bromoheptane, 1-bromooctane, 1-bromononane, 1-bromodecane, 1-bromoundecane, 1-bromododecane and 1-bromotetradecane at normal pressure and the speed of sound and the density for 1-bromotetradecane within the temperature range 298.15–423.15 K. These data on the isobaric heat capacity and the literature-based reference data for the density and the speed of sound were used to calculate the isothermal compressibility and the inverse reduced fluctuations. Based on the comparison of the results for pure n-alkanes and \(\alpha ,\omega \)-dibromoalkanes, we discuss the influence of bromine atom on the volume fluctuations.

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We are grateful to the participants of 11th Winter Workshop on Molecular Acoustics, Relaxation and Calorimetric Methods (03-06.03.2015, Szczyrk, Poland), where the preliminary version of this work has been presented, for fruitful discussions. The work is supported by RFBR, research project No. 16-08-01203.

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Correspondence to E. B. Postnikov.

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Korotkovskii, V.I., Ryshkova, O.S., Neruchev, Y.A. et al. Isobaric Heat Capacity, Isothermal Compressibility and Fluctuational Properties of 1-Bromoalkanes. Int J Thermophys 37, 58 (2016).

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  • Intermolecular interactions
  • Isobaric heat capacity
  • Volume fluctuations