Preparation and Physico Chemical Investigation of Manganese (II) Complexes with Hydrazone Ligands | Zendy

Sahbaa Ali Ahmed | Zendy; Amira J. Al–Shaheen | Zendy

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Preparation and Physico Chemical Investigation of Manganese (II) Complexes with Hydrazone Ligands

Author(s) -

Sahbaa Ali Ahmed,

Amira J. Al–Shaheen

Publication year - 2019

Publication title -

mağallaẗ ʻulūm al-rāfidayn

Language(s) - English

Resource type - Journals

eISSN - 2664-2786

pISSN - 1608-9391

DOI - 10.33899/rjs.2019.159986

Subject(s) - manganese , hydrazone , chemistry , cationic polymerization , metal , octahedral molecular geometry , schiff base , octahedron , infrared spectroscopy , magnetic susceptibility , crystallography , molar ratio , inorganic chemistry , stereochemistry , polymer chemistry , crystal structure , catalysis , organic chemistry

The work reported deals with the preparation and characterization of a number of new complexes of manganese (II). The complexes are formed by the reaction of the mentioned metal salts with three ligands of Schiff base type; the ligands are: dibenzoinlidenemalonoyldihydrazide (L1H4), dibenzoinlidenesuccinyldihydrazide (L2H4) and dibenzoinlidenephthalolyldihydrazide (L3H4). The prepared complexes have been characterized by molar conductance, CHN analysis, metal contents,electronic spectra, infrared spectra, and magnetic susceptibility measurements.The different studies suggest that all the complexes are hexacoordinated with octahedral geometry in the neutral medium; the ligands formed cationic complexes of the type [Mn(LH4)]X2 were X=Cland NO3 , while in a basic medium anionic complexes of the general formula K2[Mn(L)].

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