International Journal of Chemical Studies
Vol. 4, Issue 4 (2016)
Synthesis of two unprecedented Ni(II)& Oxovanadium Azide bridged complexes derived from compartmental Azo-Linked two different Schiff base H4L & H2L-Characterization by spectroscopic studies (IR, UV-Vis, 1H NMR) and magneto structural co-relationship
Author(s): Dhrubajyoti Majumdar
Abstract: Two sets of new compartmental azo-linked Schiff base ligands set-1 and set-2 have been derived from N, N'-Bis-(2-amino-ethyl)-ethane-1,2-diamine and 1-(5-Chloro-2-hydroxy-phenyl)-ethanone (H4L), propane 1,3-diamine and 1-(5-Chloro-2-hydroxy-phenyl)-ethanone (H2L) by 1:2 molar ratio in dry methanol solvent medium respectively and the synthesized compartmental ligands are employed for the preparation of complex(1) [Ni(H2L)], complex (2) [VO(L2)(N3)] using Ni(NO)3.6H2O only & VO(acac)2 in presence of NaN3. In complex (1) compartmental Schiff base (H4L) function as hexadentate character through N,O chelating donor but for complex (2) (H2L) totally display tetradentate nature via imine nitrogen only. Both Schiff bases and complexes were characterized by elemental (C, H & N), mass (m/e), molar conductivity, IR, UV-Vis, 1H NMR spectroscopic study. Molar conductivity study strongly support that both complexes are non electrolyte in nature. Additional magnetic moment data will be provided to guess the expected probable structure of complex (1) & complex (2). Electronic spectra and magnetic moment study have been established that the expected geometrical environment of Ni(II),VO(V) complexes (1) & (2) are octahedral, square pyramidal respectively. The complex (1) showed magnetic moment value within the range of µ=2.7-2.9.BM. Complex (2) magnetic moment data strongly support the environment of vanadium is square pyramidal.
Pages: 46-54 | 1603 Views 57 Downloads
How to cite this article:
Dhrubajyoti Majumdar. Synthesis of two unprecedented Ni(II)& Oxovanadium Azide bridged complexes derived from compartmental Azo-Linked two different Schiff base H4L & H2L-Characterization by spectroscopic studies (IR, UV-Vis, 1H NMR) and magneto structural co-relationship. Int J Chem Stud 2016;4(4):46-54.