Preparation and Identification of a New [Cr₂(NTA)₂(μ-OH₂)]·2H₂O Complex

E.R. Souaya Department of Chemistry, Faculty of Science, Ain Shams University, Egypt, 11566

W.G. Hanna Department of Chemistry, Faculty of Science, Ain Shams University, Egypt, 11566

N.E. Milad Department of Chemistry, Faculty of Science, Ain Shams University, Egypt, 11566

E.H. Ismail Department of Chemistry, Faculty of Science, Ain Shams University, Egypt, 11566

[Cr₂(NTA)₂(μ-OH₂)]·2H₂O is prepared by heating nitrilotriacetic acid (H₃NTA) with an aqueous suspension of freshly precipitated Cr₂O₃·nH₂O. Elemental analysis, IR spectra, UV/vis spectra, X-ray diffraction, thermogravimetric analysis, mass spectra and magnetic susceptibility measurements suggest the existence of a Cr-Cr bond. One of the three water molecules acts as a bridging ligand (μ-H₂O) while the other two are waters of crystallization.

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Preparation and Identification of a New [Cr₂(NTA)₂(μ-OH₂)]·2H₂O Complex

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Preparation and Identification of a New [Cr2(NTA)2(μ-OH2)]·2H2O Complex

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Preparation and Identification of a New [Cr₂(NTA)₂(μ-OH₂)]·2H₂O Complex