International Journal of Thermophysics

, Volume 26, Issue 5, pp 1369–1388 | Cite as

New Group-Contribution Method for Predicting Temperature-Dependent Properties of Pure Organic Compounds

  • E. Stefanis
  • L. Constantinou
  • I. Tsivintzelis
  • C. Panayiotou


A new method for predicting temperature-dependent properties of organic compounds is presented. It is a combination of a group-contribution method with the novel non-random hydrogen-bonding (NRHB) equation-of-state theory. First-order and second-order groups are used to predict the three characteristic scaling constants of the NRHB model. With these scaling constants, one is able to estimate/predict temperature-dependent properties of pure organic compounds such as vapor pressure, liquid density, heat of vaporization and more, in a wide range of temperatures. The influence parameter, κ, which is needed for the estimation of surface tension at any given temperature, is also predicted by the same group-contribution method


equation of state group-contribution method NRHB theory temperature-dependent properties 


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Copyright information

© Springer Science+Business Media, Inc. 2005

Authors and Affiliations

  • E. Stefanis
    • 1
  • L. Constantinou
    • 2
  • I. Tsivintzelis
    • 1
  • C. Panayiotou
    • 1
  1. 1.Department of Chemical EngineeringAristotle University of ThessalonikiThessalonikiGreece
  2. 2.Frederick Research CenterNicosiaCyprus

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