4.5 Article

A computational toolbox for molecular property prediction based on quantum mechanics and quantitative structure-property relationship

Journal

FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING
Volume 16, Issue 2, Pages 152-167

Publisher

SPRINGER
DOI: 10.1007/s11705-021-2060-z

Keywords

molecular property; quantum mechanics; quantitative structure-property relationship; heat of reaction; solid-liquid phase equilibrium

Funding

  1. National Natural Science Foundation of China [22078041, 21808025]
  2. Fundamental Research Funds for the Central Universities [DUT20JC41]

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This paper introduces a framework combining quantum mechanics and quantitative structure-property relationship for fast molecular property predictions. Through the establishment of databases, quantum mechanics-based calculations, and the development of structure-property relationship methods, rapid prediction of molecular properties is achieved.
Chemical industry is always seeking opportunities to efficiently and economically convert raw materials to commodity chemicals and higher value-added chemical-based products. The life cycles of chemical products involve the procedures of conceptual product designs, experimental investigations, sustainable manufactures through appropriate chemical processes and waste disposals. During these periods, one of the most important keys is the molecular property prediction models associating molecular structures with product properties. In this paper, a framework combining quantum mechanics and quantitative structure-property relationship is established for fast molecular property predictions, such as activity coefficient, and so forth. The workflow of framework consists of three steps. In the first step, a database is created for collections of basic molecular information; in the second step, quantum mechanics-based calculations are performed to predict quantum mechanics-based/derived molecular properties (pseudo experimental data), which are stored in a database and further provided for the developments of quantitative structure-property relationship methods for fast predictions of properties in the third step. The whole framework has been carried out within a molecular property prediction toolbox. Two case studies highlighting different aspects of the toolbox involving the predictions of heats of reaction and solid-liquid phase equilibriums are presented.

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