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Crystal structure, DFT study, and Hirshfeld surface analysis of ethyl 5-(3,4-dimethoxyphenyl)-7-methyl-3-phenyl-5H-thiazolo[ 3,2-A]pyrimidine-6-carboxylate

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Abstract

The structural characterization of fused thiazolopyrimidine 1 (C24H24N2O4S) is performed using the single crystal X-ray study, the DFT calculation, and the Hirshfeld surface analysis. The molecular packing of the crystal is mainly stabilized by C–H…O and C–H…π interactions. A DFT calculated HOMO-LUMO energy gap of 3.90 eV indicates a high kinetic stability of the compound. The 3D Hirshfeld surfaces and the associated 2D fingerprint plots are investigated for short contact interactions. The relative contribution of different interactions to the Hirshfeld surface indicates that the H…H, C…H, and O…H contacts account for about 83.4% of the total Hirshfeld surface area.

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Authors and Affiliations

  1. Department of Chemistry, Rashtrasant Tukadoji Maharaj Nagpur University, Nagpur, Maharashtra, India

    A. Shelke & N. N. Karade

  2. Department of Chemical Sciences, Indian Institute of Science, Education and Research (IISER) Kolkata, Mohanpur, India

    P. Kr. Dutta

  3. Department of Chemistry, G. S. Science, Arts and Commerce College, Khamgaon, India

    S. P. Bahekar & H. S. Chandak

Authors
  1. A. Shelke
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  2. N. N. Karade
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  3. P. Kr. Dutta
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  4. S. P. Bahekar
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  5. H. S. Chandak
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Corresponding author

Correspondence to N. N. Karade.

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Original Russian Text © 2015 A. Shelke, N. N. Karade, P. Kr. Dutta, S. P. Bahekar, H. S. Chandak.

The text was submitted by the authors in English. Zhurnal Strukturnoi Khimii, Vol. 56, No. 7, pp. 1312-1317, November-December, 2015.

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Shelke, A., Karade, N.N., Dutta, P.K. et al. Crystal structure, DFT study, and Hirshfeld surface analysis of ethyl 5-(3,4-dimethoxyphenyl)-7-methyl-3-phenyl-5H-thiazolo[ 3,2-A]pyrimidine-6-carboxylate. J Struct Chem 56, 1246–1252 (2015). https://doi.org/10.1134/S0022476615070033

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  • DOI: https://doi.org/10.1134/S0022476615070033

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