Showing papers by "Bachcha Singh published in 1986"
TL;DR: In this paper, different modes of ligand chelation and the stereochemistry around the metal ions have been discussed, and different ligand modes of chelation have been compared in complexes of o-hydroxyacetophenone-2-furoylhydrazone, H2L.
Abstract: Complexes ofo-hydroxyacetophenone-2-furoylhydrazone, H2L, of the types M(H2L)C12 · nH2O [Mn = CoII, n=0; NiII, n=2]; Cu(HL)Cl, M(HL)2 [M = VIVO, CoII, NiII or CuII] and M(L)(H2O)n [M = CoII or NiII, n=2; M = CuII, n=0] have been prepared and characterized by elemental analyses, molar conductance, magnetic susceptibility, visible, e.s.r. and i.r. spectral studies. The different modes of ligand chelation and the stereochemistry around the metal ions are discussed.
16 citations
TL;DR: In this article, a square pyramidal geometry for [VO(HL)SO4] and octahedral geometry for the remaining complexes are proposed, where the square pyramids are used to obtain the square pyramid geometry for both compounds.
Abstract: 2-Acetylfuran-2-furoylhydrazone (1), [HL] reacts with metal ions to yield the complexes of two types, compounds [VO(HL)SO4] and M(HL)2Cl2 [M = CoII, NiII or CuII] and compounds M(L)2(H2O)2 [M = CoII, NiII or CuII], depending on the pH of the medium. These complexes have been characterized by elemental analyses, molar conductance, magnetic susceptibility, visible, e.s.r. and i.r. spectral studies. Square pyramidal geometry for [VO(HL)SO4] and octahedral geometry for the remaining complexes are proposed.
11 citations