Neeraj SHARMA, Reena SHARMA, Meena KUMARI And

Synthesis and characterisation of tris(2,4-dinitrophenoxo)monooxovanadium(V) and its complex salts

The monooxovanadium(V) complex of composition [VO(OC6H3(NO2)2-2,4)3] (I) was synthesized by the reaction of VOCl3 with Me3SiOC6H3(NO2)2-2,4 in toluene and characterised by elemental analyses, molar conductance, and IR, 1H- and 13C-NMR, and mass spectral studies. The reactions of (I) with alkali metal 2,4-dinitrophenoxides [MOC6H3(NO2)2-2,4] (M = Li, Na, K) yield complex salts of composition M[VO(OC6H3(NO2)2-2,4]4 authenticated by physicochemical and IR spectral studies. Thermal behaviour of complexes was studied by TG and DTA techniques. The molecular modelling calculations of the parent complex and its complex salts were performed to visualise the probable geometry around vanadium metal, which, coupled with spectroscopic evidence, suggests a distorted tetrahedral and a trigonal-bipyramidal geometry for respective complexes.

Anahtar Kelimeler:

2, 4-Dinitrophenol, monooxovanadium(V) complex, complex salts, spectroscopic studies, thermal studies

Synthesis and characterisation of tris(2,4-dinitrophenoxo)monooxovanadium(V) and its complex salts

Keywords:

2, 4-Dinitrophenol, monooxovanadium(V) complex, complex salts, spectroscopic studies, thermal studies,

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