Prediction of the Density of Energetic Materials on the Basis of their Molecular Structures

• Autorzy: Rahimi R. , Keshavarz M. H. , Akbarzadeh A. R.
• Języki publikacji: EN

Abstrakty

EN

The density of an energetic compound is an essential parameter for the assessment of its performance. A simple method based on quantitative structure-property relationship (QSPR) has been developed to give an accurate prediction of the crystal density of more than 170 polynitroarenes, polynitroheteroarenes, nitroaliphatics, nitrate esters and nitramines as important classes of energetic compounds, by suitable molecular descriptors. The evaluation techniques included cross-validation, validation through an external test set, and Y-randomization for multiple linear regression (MLR) and training state analysis for artificial neural network (ANN), and were used to illustrate the accuracy of the proposed models. The predicted MLR results are close to the experimental data for both the training and the test molecular sets, and for all of the molecular sets, but not as close as the ANN results. The ANN model was also used with 20 hidden neurons that gave good result. The results showed high quality for nonlinear modelling according to the squared regression coefficients for all of the training, validation and the test sets (R2 = 0.999, 0.914 and 0.931, respectively). The calculated results have also been compared with those from several of the best available predictive methods, and were found to give more reliable estimates.

Słowa kluczowe

EN

crystal density; energetic compound; QSPR; MLR; ANN

• Czasopismo: Central European Journal of Energetic Materials
• Rocznik: 2016
• Tom: Vol. 13, no. 1
• Strony: 73--101
• Opis fizyczny: Bibliogr. 54 poz., rys., tab.

Twórcy

autor

Rahimi R.

• Department of Chemistry, University of Science and Technology, P.O. Box: 16846-13114, Tehran, Islamic Republic of Iran

autor

Keshavarz M. H.

• Department of Chemistry, Malek-ashtar University of Technology, Shahin-shahr, P.O. Box 83145/115, Islamic Republic of Iran

autor

Akbarzadeh A. R.

• Department of Chemistry, University of Science and Technology, P.O. Box: 16846-13114, Tehran, Islamic Republic of Iran

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.