Thermochemical parameters of 1,2,3,4-tetrahydroquinoline adducts of some divalent transition metal bromides

Pedro O. Dunstan

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DOI: 10.4236/ns.2011.37075                

Abstract

The adducts [MBr2(L)n], where M = Fe, Co, Ni, Cu or Zn; L = 1,2,3,4-tetrahydroquinoline (THQ); n = 0.75, 1 or 2 have been obtained from the interaction in hot solution of THQ with the metal(II) bromides. The compounds were characterized by melting points, elemental analysis, thermal analysis and IR spectroscopy. From calorimetric studies in solution, the standard enthalpies of formation of them and several other thermochemical parameters were determined. The mean standard enthalpies of the metal(II)-nitrogen bonds have been estimated.

Keywords

Transition Metal Complexes; Thermochemistry; Coordinated Bonds Energies; Dissolution Enthalpies; Calorimetry

Conflicts of Interest

The authors declare no conflicts of interest.

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