A model of atomic compressibility and its application in QSAR domain for toxicological property prediction

  • Hiteshi Tandon
  • Tanmoy ChakrabortyEmail author
  • Vandana Suhag
Original Paper


A model for computing the atomic compressibility (β) based on two periodic descriptors, namely, absolute radius (r) and atomic electrophilicity index (ω), is proposed as
$$ \beta \propto \left({r}^2/\omega \right) $$

The ansatz is invoked to compute compressibilities of atoms of 57 elements of the periodic table. The computed atomic data exhibits all sine qua non of periodic properties. Further, the concept group compressibility () is also established invoking additivity property using some molecules with different functional groups and consequently utilized in correlating with molecular polarizability. Since toxicity prediction is an imperative need of the hour, chemical reactivity descriptors are of paramount importance in the study of toxicological behaviour along with a lot of other molecular reactivity studies within a Quantitative Structure–Activity Relationship (QSAR) context. Hence, this quantity is applied in the modelling of toxicological property through QSAR and a comprehensive study is performed in an effort to investigate and validate the application of compressibility in determining its toxicological power. Consequently, varied 209 organic molecules are selected for studying the toxic effect on Tetrahymena pyriformis. A QSAR model is constructed in terms of compressibility which offers a superior prediction of toxicity independently without adopting additional descriptors or properties as in some other QSAR studies.

Graphical abstract


Conceptual density functional theory (CDFT) Periodicity Group compressibility Polarizability Quantitative structure–activity relationship (QSAR) Toxicity 



The authors are thankful to Manipal University Jaipur for providing computational and research facility.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Hiteshi Tandon
    • 1
  • Tanmoy Chakraborty
    • 1
    Email author
  • Vandana Suhag
    • 2
  1. 1.Department of ChemistryManipal University JaipurJaipurIndia
  2. 2.Department of Applied SciencesBML Munjal UniversityGurugramIndia

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