Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 96: Issue 1
Thermal behavior of copper(II) 4-nitroimidazolate
Authors:
L. Ji-zhen Xi’an Modern Chemistry Research Institute Xi’an Shaanxi 710065 China

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F. Xue-zhong Xi’an Modern Chemistry Research Institute Xi’an Shaanxi 710065 China

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H. Rong-zu Xi’an Modern Chemistry Research Institute Xi’an Shaanxi 710065 China

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Z. Xiao-dong Xi’an Modern Chemistry Research Institute Xi’an Shaanxi 710065 China

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Z. Feng-qi Xi’an Modern Chemistry Research Institute Xi’an Shaanxi 710065 China

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G. Hong-Xu Xi’an Modern Chemistry Research Institute Xi’an Shaanxi 710065 China

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Pages:
195–201
Online Publication Date:
12 Mar 2009
Publication Date:
01 Apr 2009
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10973-007-8708-1
Keywords:
copper(II) 4-nitroimidazolate; DSC; IR; kinetics; TG; thermolysis
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Abstract  

The thermal behavior of copper(II) 4-nitroimidazolate (CuNI) under static and dynamic states are studied by means of high-pressure DSC (PDSC) and TG with the different heating rates and the combination technique of in situ thermolysis cell with rapid-scan Fourier transform infrared spectroscopy (thermolysis/RSFTIR). The results show that the apparent activation energy and pre-exponential factor of the major exothermic decomposition reaction of CuNI obtained by Kissinger’s method are 233.2 kJ mol−1 and 1017.95 s−1, respectively. The critical temperature of the thermal explosion and the adiabatic time-to-explosion of CuNI are 601.97 K and 4.4∼4.6 s, respectively. The decomposition of CuNI begins with the split of the C-NO2 and C-H bonds, and the decomposition process of CuNI under dynamic states occurs less readily than those under static states because the dynamic nitrogen removes the strong oxidative decomposition product (NO2). The above-mentioned information on thermal behavior is quite useful for analyzing and evaluating the stability and thermal charge rule of CuNI.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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