Intermediate species in thermal reactions between mixed ethylenediamine-o-phenanthroline cobalt(III) complexes and ammonium salts in the solid phase

Grassini-Strazza, G.; Cristalli, A.; Carunchio, V.; Messina, A.

doi:10.1016/0040-6031(80)87007-9

Cited by 5 publications

(1 citation statement)

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“…It is to be noted that this work follows thermoanalytical studies in our laboratory on other cobalt(HI) complexes with nitrogen ligands [3][4][5].…”

Section: John Wiley and Sons Limited Chichester Akad~miai Ioad6 Budamentioning

confidence: 99%

Thermoanalytical behaviour of some dicarboxylato-α-diiminecobalt(III) complexes

Brini

Bucci

Carunchio

et al. 1990

Journal of Thermal Analysis

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The complexes c/s-Co[(AA)2(OCOR)2]NO3, where AA = 1,10-phenanthroline or 2,2'-bipyridine and R = H, CH3, C2I-I5, or n-C3H~ were studied by TG, DTA and spectroscopic methods to obtain information concerning the decomposition mechanism. A comparison of the two series revealed that the first decomposition process involves breaking of Co-N bonds and elimination of the nitrogen ligand in both series; the phenanthroline complexes show a stability sequence, whereas all the bipyridine complexes start to decompose at the same temperature. The results were also compared with previous data on ethylcnediamine complexes. These two series were chosen because they offer an opportunity for study of the effects of the pyridine rings and/or the length of the allphatic chain in the carboxylato ligands on the thermal stability of the complexes. Furthermore, a comparison of the results with those of the corresponding ethylenediamine series can give information on the effect of the ring [2]. Nitrate was chosen as th.~ counter-ion, in order to minimize anation reactions.

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“…It is to be noted that this work follows thermoanalytical studies in our laboratory on other cobalt(HI) complexes with nitrogen ligands [3][4][5].…”

Section: John Wiley and Sons Limited Chichester Akad~miai Ioad6 Budamentioning

confidence: 99%