A novel binuclear Zn2+ and Cd2+ complexes of carbothiohydrazide chelating agent for the corrosion protection of carbon steel alloy in 15% HCl solution
Ayman K. El‐Sawaf,
Metwally Madkour,
Amal A. Nassar
et al.
Abstract:Equimolar reactions of Zn2+ and Cd2+acetates with the carbothiohydrazide, [2‐HO‐C6H4‐C(H) = N‐N(H)‐C(=S)‐N(C2H4)2O] chelating agent (H2L) have produced the binuclear [M(L)]2 metal chelates. The isolated compounds have been evaluated by elemental analyses, XRD, molar conductivities, 1H and 13C‐NMR, FTIR, FAB‐MS, UV–Vis, and thermal analyses. The crystal structure of the chelating agent has been resolved and indicates the presence of the chelating agent exclusively in its E conformer regarding the C(H) = N bond.… Show more
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