A new family of lanthanide-based coordination polymers with azoxybenzene-3,3′,5,5′-tetracarboxylic acid as ligand

Abstract : Reactions by solvothermal methods of lanthanide nitrates and azoxybenzene-3,3′,5,5′-tetracarboxylic acid (H4aobtc) lead to a family of isostructural lanthanide-based coordination polymers with general chemical formula [Ln(Haobtc)(H2O)2·2H2O]∞ with Ln = Nd − Er plus Y. The crystal structure has been solved on the basis of the Y3+-derivative. It crystallizes in the triclinic system, space group P-1 (n°2) with the following cell parameters: a = 6.6890(18) Å, b = 10.052(3) Å, c = 13.879(4) Å,α = 75.756(9)°, β = 77.551(9)°, γ = 83.964(9)° and Z = 2. The crystal structure is two-dimensional (2D). Thermal properties and luminescent properties of the Nd3+-containing compound have been studied.
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Submitted on : Thursday, February 28, 2019 - 11:48:56 AM
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Jinzeng Wang, Carole Daiguebonne, Yan Suffren, Thierry Roisnel, Stéphane Freslon, et al.. A new family of lanthanide-based coordination polymers with azoxybenzene-3,3′,5,5′-tetracarboxylic acid as ligand. Inorganica Chimica Acta Reviews, Elsevier, 2019, 488, pp.208-213. ⟨10.1016/j.ica.2019.01.023⟩. ⟨hal-01997636⟩

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