Thermal properties of solid complexes with biologically important heterocyclic ligands

Thermogravimetry (TG) and derivative thermogravimetry (DTG) have been applied to the investigation of the thermal behavior of the compounds Cu(2-Clbz) 2 (denia) 2 (H 2 O) 2 (I), Cu(2-Brbz) 2 (denia) 2 (H 2 O) 2 (II), and Cu(3-Brbz) 2 (denia) 2 (H 2 O) 1 (III), where 2-Clbz and 2-Brbz and 3-Brbz = 2-...

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Bibliographic Details
Published in:Journal of thermal analysis and calorimetry 2015-02, Vol.119 (2), p.915-919
Main Authors: Harmatová, Z., Jóna, E., Medvecká, J., Valigura, D., Mojumdar, S. C.
Format: Article
Language:English
Subjects:
Analytical Chemistry
Anions
Chemistry
Chemistry and Materials Science
COPPER OXIDE
CUPRIC OXIDE
Cuprite
Cytokinins
DECOMPOSITION
Derivatives
Heating
Heterocyclic compounds
Infrared radiation
INFRARED RAYS
Inorganic Chemistry
LIGANDS
Measurement Science and Instrumentation
Physical Chemistry
Polymer Sciences
PROPERTIES
Thermal decomposition
Thermal properties
THERMAL STABILITY
Thermogravimetry
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Summary:Thermogravimetry (TG) and derivative thermogravimetry (DTG) have been applied to the investigation of the thermal behavior of the compounds Cu(2-Clbz) 2 (denia) 2 (H 2 O) 2 (I), Cu(2-Brbz) 2 (denia) 2 (H 2 O) 2 (II), and Cu(3-Brbz) 2 (denia) 2 (H 2 O) 1 (III), where 2-Clbz and 2-Brbz and 3-Brbz = 2-chloro-, 2-bromo- and 3-bromobenzoate anions, denia =  N,N -diethylnicotinamide, H 2 O = water molecules. Thermal decomposition of all studied compounds proceeds in three steps. Heating of the compounds first results in the release of water molecules. The final product of thermal decomposition of studied complexes was CuO. The thermal stability of the complexes can be ordered in the sequence: (II) 
ISSN:1388-6150
1588-2926
1572-8943
DOI:10.1007/s10973-014-4114-7