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Synthesis and anion exchange chemistry of new intercalation hosts containing lanthanide cations, Ln 2 (OH) 5 (NO 3 ).xH 2 o (Ln =Y, Gd-Lu),

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Lanthanoids I 2800Ln2 (OH)5NO3·xH2O (Ln: Y, Gd-Lu): A Novel Family of Anion Exchange Intercalation Hosts. -The title compounds (x ≈ 1.5) are hydrothermally synthesized from aqueous solutions of Ln(NO3)3, NaOH, and NaNO3 (autoclave, 150°C, 48 h) and characterized by powder XRD, SEM, and FTIR spectroscopy. They have the potential to combine the properties of the lanthanides (optical and catalytic) with the flexibility of intercalation hosts. The Ln2(OH)5NO3·xH2O (Ln: Y, Gd-Lu) compounds undergo facile exchange reactions with a wide range of organic carboxylate and sulfonate anions. -(MCINTYRE, L. J.; JACKSON, L. K.; FOGG*, A. M.; Chem. Mater. 20 (2008) 1, 335-340; Dep. Chem., Univ. Liverpool, Liverpool L69 7ZD, UK; Eng.) -W. Pewestorf 15-013