Issue 46, 2021

Taming CL-20 through hydrogen bond interaction with nitromethane

Abstract

A novel cocrystal explosive comprising CL-20/nitromethane in a 1 : 2 molar ratio was synthesised. Because of the CL-20 molecules were in ε conformation in the cocrystal, they possessed high crystal densities of 1.861 g cm−3 at 153 K and 1.821 g cm−3 at room temperature. Owing to the strong hydrogen bond interaction between the molecules, the decomposition temperature of the cocrystal was found to be 253 °C, which demonstrated excellent thermal stability among the cocrystals of CL-20. In addition, this cocrystal possessed exceptional sensitivities and comparable detonation properties.

Graphical abstract: Taming CL-20 through hydrogen bond interaction with nitromethane

Supplementary files

Article information

Article type
Paper
Submitted
22 Gwen. 2021
Accepted
16 Here 2021
First published
18 Here 2021

CrystEngComm, 2021,23, 8099-8103

Taming CL-20 through hydrogen bond interaction with nitromethane

W. Zhang, L. Bao, T. Fei, P. Lv, C. Sun and S. Pang, CrystEngComm, 2021, 23, 8099 DOI: 10.1039/D1CE01275D

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