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  • 1 Department of Chemistry and Applied Chemistry University of Salford M5 4WT Great Britain
  • | 2 Department of Chemistry University of Dar es Salaam P.O. Box 35061 Dar es Salaam Tanzania
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An activation energyEa=195 kJ mol−1 has been determined for the thermal decomposition of NdC2O4Cl to NdOCl with simultaneous expulsion of CO and CO2. As compared with the value (127 kJ mol−1) predicted by the Kahwa-Mulokozi empirical expression (i) for Ln2(C2O4)3 (Ln=light lanthanide), the presence of Cl in the coordination polyhedron appreciably raises the activation energy, which is consistent with a corresponding increase in the covalent strength of the Ln-oxalate bond. The same conclusion regarding the strength of this bond is drawn from a study of the infrared spectrum.

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