T R Rao
Articles written in Journal of Chemical Sciences
Volume 97 Issue 1 July 1986 pp 13-18 Inorganic and Analytical
Trivalent lanthanide complexes of the type K[
Volume 98 Issue 4 May 1987 pp 273-278 Inorganic and Analytical
Tyrosine hydrazide (TH) has been found to form complexes of the types [M(TH)3Cl2]Cl [M=La(III), Pr(III), Nd(III)] and [M′(TH)2Cl2]Cl [M′=Sm(III), Eu(III), Gd(III) and Dy(III)]. The complexes have been characterized by elemental analysis, molar conductance, magnetic susceptibility, infrared, electronic and PMR spectral studies. The nephelauxetic ratio (β), covalency (δ) and bonding parameter, (
Volume 103 Issue 6 December 1991 pp 725-733
Some trivalent lanthanide complexes of acetone isonicotinoylhydrazone (AINH), having the empirical formula Ln(AINH)3Cl3, where Ln=La(III), Pr(III), Nd(III), Sm(III), Eu(III), Gd(III), Tb(III), Dy(III) and Y(III) were prepared. Elemental analyses, molar conductance, magnetic susceptibility, IR, electronic,1H,13C and139La NMR spectra of the complexes have been examined. It has been found that AINH behaves as a neutral bidentate ligand coordinating through the carbonyl oxygen and azomethine nitrogen. Temperature-dependence of the molar absorptivity and the metal coordination number has been established by the electronic spectra of Nd(AINH)3Cl3 recorded over the 28–80°C range.
Volume 107 Issue 2 April 1995 pp 101-108 Inorganic and Analytical
Metal complexes of the empirical formula [M(Hpbzgh)2], where H2pbzgh=pyridoxal
Volume 109 Issue 2 April 1997 pp 89-97 Inorganic And Analytical
2,4-Dihydroxybenzaldehyde(N-benzoyl)glycyl hydrazone, H3 dhbbgh, has been synthesized and characterized. Rare earth metal complexes of the empirical formulae, [Ln(H3dhbbgh)2Cl2]Cl.
Volume 111 Issue 5 October 1999 pp 615-626 Inorganic And Analytical
Complexes of Mn(II), Co(II), Ni(II), Cu(II), Zn(II), Cd(II) and Hg(II) with 2-acetyl pyridine (N-benzoyl) glycyl hydrazone(2-ApBzGH) have been synthesized and characterized by elemental analyses, molar conductances, magnetic susceptibility, IR, electronic, ESR,1H,13C and113Cd NMR spectral and X-ray diffraction studies. IR and NMR data suggest the tridentate nature of the ligand coordinating as a neutral species in the addition complexes and as a uninegative species in the deprotonated complexes. The presence of more than one isomer of the ligand has been established by1H NMR spectra of the ligand and complexes recorded over the 298–396 K range. The X-ray powder diffraction patterns of [Cd(2-ApBzGH)Cl]Cl and [Cu(2-ApBzGH)Cl(H2O)2]Cl are indexed for orthorhombic and tetragonal crystal systems respectively.
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