Abstract
The new erbium(III) complex of picolinic acid (Hpic), [ n Bu 4N][Er(pic) 4] · 5.5H 2O, was synthesized and the crystal structure determined by single-crystal X-ray diffraction. The compound was further characterized using IR, Raman, 1H NMR and elemental analysis. The picolinate ligands (pic −) are coordinated through N, O-chelation to the erbium cations, as shown by X-ray diffraction and spectroscopic results, leading to an eight coordinate complex. Photoluminescence measurements were performed for this compound which exhibits infrared emission.
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