Synthesis and Characterization of Complexes of Diamines with Transition Metal bis(Chlorosulphates), M(SO₃Cl)₂[M = Cr, Mn, Fe, Co, Ni, Cu]

M. Shakir Division of Inorganic Chemistry, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India

P. Shahul Hameed Division of Inorganic Chemistry, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India

Farha Firdaus Division of Inorganic Chemistry, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India

Saji P. V. Division of Inorganic Chemistry, Department of Chemistry, Aligarh Muslim University, Aligarh, 202002, India

Abstract

The reaction of transition metal bis(chlorosulphates) with diamines such as 1,3-propylenediamine (Pndn) and o-phenylenediamine (Opdn) resulted in the formation of complexes of the type [M (SO₃Cl)₂(Pndn)₂] and [M(SO₃Cl)₂ (Opdn)₂] (M = Cr, Mn, Fe, Co, Ni, Cu]. These complexes are hygroscopic in nature and soluble in most non-polar solvents. The covalent nature of the bonding of the SO₃Cl⁻ group has been ascertained on the basis of a shift to higher frequency in the ν₁(A) vibration, the splitting of doubly degenerate (E) modes and low molar conductivity values. The magnetic susceptibility measurements and the electronic spectral studies are consistent with an octahedral geometry for all these complexes (except for the Ni(II) complex where tetragonal distortion is observed) such that each SO₃Cl⁻ group is coordinated in a monodentate manner.

Referee I: J. K. Nagle

Referee II: D. M. Roddick

Notes

Referee I: J. K. Nagle

Referee II: D. M. Roddick

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Synthesis and Characterization of Complexes of Diamines with Transition Metal bis(Chlorosulphates), M(SO₃Cl)₂[M = Cr, Mn, Fe, Co, Ni, Cu]

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Synthesis and Characterization of Complexes of Diamines with Transition Metal bis(Chlorosulphates), M(SO3Cl)2[M = Cr, Mn, Fe, Co, Ni, Cu]

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Synthesis and Characterization of Complexes of Diamines with Transition Metal bis(Chlorosulphates), M(SO₃Cl)₂[M = Cr, Mn, Fe, Co, Ni, Cu]