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COMPLEXATION BEHAVIOR AND COMPUTATIONAL MODELING OF BIOLOGICAL ACTIVE STREPTOMYCIN WITH Zn (II), Cd (II), Pb (IV) AND INORGANIC Bi (III). Parashuram Mishra

COMPLEXATION BEHAVIOR AND COMPUTATIONAL MODELING OF BIOLOGICAL ACTIVE STREPTOMYCIN WITH Zn (II), Cd (II), Pb (IV) AND INORGANIC Bi (III).

Parashuram Mishra

International Journal of Biochemistry & Biotech Science 2012; 1: 43-56


Abstract

The coordination compounds of streptomycin with Zn(II), Cd(II), Pb(II) and Bi(III) have been synthesized and characterized by elemental analysis, vibrational spectra, electronic spectra, 1H NMR spectra, magnetic susceptibility measurement, thermal studies and X-ray powder diffraction studies. The complexes having crystallographic datas as a=21.9909((Å)), b=13.12141((Å)), c=11.88511((Å)),V=3429.47(A3), for complex1 a=6.904155(Å)), b=12.57103((Å)), c=13.77902(Å), V=1090.3(A3) for complex 2, a=6.709547((Å)), b=9.231634((Å)), c=8.6857(Å), V=347.1999(A3) for complex 3 and a=16.10349(Å), b=10.4157(Å)), c=9.588465(Å), V=16084.26(A3) for complex 4. Kinetic parameters were computed from the thermal data using Coat and Redfern method, which confirm first order kinetics. Molecular structures of the complexes have been optimized by MM2 calculations and supported octahedral, trigonal planar /tetrahedral geometry around Metal (II) ions and Bi (III) ions.

Key words: Aminoglycosides, spectra, streptomycin, metal complexes, molecular modeling.
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