Synthesis, Crystal Structure, and Magnetic Properties of a New Dinuclear Iron Complex with Schiff Ba

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A new dinuclear iron(Ⅲ) complex has been synthesized and structurally characterized by X-ray crystallography: [FeⅢ2(L)(C6H5COO)(SO4)(CH3OH)2]·CH3CN·CH3OH(1, H3 L = N,N’-bis(salicylidene)-1,3-diamino-2-propanol). Complex 1 belongs to orthorhombic space group Pna21 with a = 11.4400(8), b = 22.9705(2), c = 12.5712(9) , V = 3303.5(4) 3, Z = 4, F(000) = 1576, Dc = 1.531 g·cm–3, Mr = 761.36, μ = 1.007 mm–1, S = 1.014, the final R = 0.0505 and wR = 0.1018. The crystal packing is stabilized by intermolecular O–H···O hydrogen bonds, forming an extended one-dimensional chain structure. The temperature dependence of magnetic susceptibility measurement shows that antiferromagnetic interaction is propagated between the metal centers. Fit as dinuclear arrangement gave parameters of J = 19.7 cm-1, g = 1.89 and R2 = 0.9999. A new dinuclear iron (Ⅲ) complex has been synthesized and structurally characterized by X-ray crystallography: [FeⅢ2 (L) (C6H5COO) (SO4) (CH3OH) 2] · CH 3 CN · CH 3 OH -bis (salicylidene) -1,3-diamino-2-propanol. Complex 1 belongs to orthorhombic space group Pna21 with a = 11.4400 (8), b = 22.9705 (2), c = 12.5712 (9) 3303.5 (4) 3, Z = 4, F (000) = 1576, Dc = 1.531 g · cm -3, Mr = 761.36, μ = 1.007 mm -1, S = 1.014, the final R = 0.0505 and wR = 0.1018. The crystal packing is stabilized by intermolecular O-H ··· O hydrogen bonds, forming an extended one-dimensional chain structure. The temperature dependence of magnetic susceptibility measurement shows that antiferromagnetic interaction is propagated between the metal centers. Fit as dinuclear arrangement gave parameters of J = 19.7 cm-1, g = 1.89 and R2 = 0.9999.
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