Thermochemical investigation |
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| Authors: | E Jóna M Kubranová P ?imon J Mroziński |
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| Institution: | (1) Department of Inorganic Chemistry, Slovak Technical University, 812 37 Bratislava, Slovakia;(2) Institute of Inorganic Chemistry, Centre of Chemical Research, Slovak Academy of Sciences, 842 36 Bratislava, Slovakia;(3) Department of Physical Chemistry, Slovak Technical University, 812 37 Bratislava, Slovakia;(4) Institute of Chemistry, Wroclaw University, 50 383 Wroclaw, Poland |
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| Abstract: | The stoichiometry of the thermal decomposition and the stereochemistry of the following compounds was studied: NiR4Cl2 (I), NiR4Br2 (II), NiR4I2·2H2O (III) and NiR4(NCS)2 (IV) (R=3-pyridylcarbinol, ronicol). In complexes I and II the loss of the volatile ligands (on the TG curves) occurs in three steps (–2R, –R, –R), in complex III in four steps (–2H2O, –2R, –R, –R) and in complex (IV) in one step (–4R). According to the quasi-equilibrium decomposition temperatures, the thermodynamic stability of NiR4X4 complexes can be ordered in the sequence (according to X):ClIThermal decomposition reactions of Nickel(II) complexes under quasi-equilibrium conditions . Part IV: J. Thermal Anal. 46 (1996) 129. |
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| Keywords: | complexes |
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