Issue 4, 2014

Lanthanide(iii) oxalatophosphonates: syntheses, crystal structures and luminescence properties

Abstract

By the introduction of oxalate as the second ligand, five new lanthanide oxalatophosphonate hybrids with a 2D layered structure, namely, [Ln(H2L)(C2O4)(H2O)]·2H2O [Ln = Nd (1), Sm (2), Eu (3), Tb (4), Dy (5), H3L = H2O3PCH2NCH2(CH2CH2OPO2H)], have been hydrothermally synthesized and structurally characterized by X-ray single-crystal diffraction, X-ray powder diffraction, infrared spectroscopy, elemental analysis and thermogravimetric analysis. Compounds 1–5 are isostructural and exhibit a 2D layer formed by the interconnection of a 1D zigzag chain of {Ln(C2O4)}+ with the phosphonate ligands. The effect of lanthanide contraction induces the decrease of the lattice parameters and crystal size from Nd to Dy. The luminescence properties of compounds 2–5 have been studied.

Graphical abstract: Lanthanide(iii) oxalatophosphonates: syntheses, crystal structures and luminescence properties

Supplementary files

Article information

Article type
Paper
Submitted
18 Jun 2013
Accepted
23 Oct 2013
First published
25 Oct 2013

Dalton Trans., 2014,43, 1542-1549

Lanthanide(III) oxalatophosphonates: syntheses, crystal structures and luminescence properties

C. Jiao, J. Zhang, Y. Zhao, Z. Sun, Y. Zhu, L. Dai, S. Shi and W. Zhou, Dalton Trans., 2014, 43, 1542 DOI: 10.1039/C3DT51618K

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