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Related Experiment Video

Updated: Mar 23, 2026

Synthesis and Exfoliation of Discotic Zirconium Phosphates to Obtain Colloidal Liquid Crystals

Synthesis and Exfoliation of Discotic Zirconium Phosphates to Obtain Colloidal Liquid Crystals

Published on: May 25, 2016

New Zeno-Like Liquid States.

Isaac C Sanchez¹, Sean O'Keefe¹, Jeffrey F Xu¹

¹McKetta Department of Chemical Engineering, University of Texas , Austin, Texas 78712, United States.

The Journal of Physical Chemistry. B

|April 2, 2016

Summary

This summary is machine-generated.

A new Zeno-like line reveals that liquid densities and configurational energy are linear functions of temperature in the normal liquid range, establishing a universal corresponding states principle for diverse liquids.

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Area of Science:

Thermodynamics
Physical Chemistry
Materials Science

Background:

A Zeno line is defined in a fluid's temperature-density plane where compressibility factor equals unity.
An unexpected Zeno-like line exists in the normal liquid range (NLR) where compressibility factor approaches zero.

Purpose of the Study:

To identify and characterize a second Zeno-like linearity in the normal liquid range (NLR).
To establish a new corresponding states principle based on this observed linearity.

Main Methods:

Analysis of temperature-density data for various liquid types.
Identification of linear relationships in the normal liquid range (NLR).

Main Results:

A Zeno-like line is observed in the NLR for diverse liquids, including molecular, polymeric, inorganic, ionic, and metallic liquids.
Saturated liquid densities exhibit a linear dependence on temperature in the NLR, forming a single master curve.
Configurational energy also shows a Zeno-like linearity in the NLR, extending to define the ground state energy of glasses.

Conclusions:

The Zeno-like linearity in the NLR is a generic characteristic of liquids with low vapor pressures.
This finding establishes a new corresponding states principle applicable to a wide range of liquid systems.
The concept is extended to determine the ground state configurational energy of hypothetical disordered liquids (glasses).