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1. Hydrothermal synthesis, crystal structure and characterization of a 1D neodymium(III) coordination polymer containing the pyridine-2,6-dicarboxylate and oxalate ligands.

Author

Feng, X., Tian, A., Li, T., Wang, L., and Lei, P.

Subjects
*QUINOLINIC acid, *AMMONIUM, *OXALATES, *NEODYMIUM, *X-ray diffraction, *PYRIDINE
Abstract

The reaction of 2,6-pyridinedicarboxylic acid (HPydc) and ammonium oxalate with neodymium(III) nitrate affords the one-dimensional (1D) neodymium coordination polymer formulated as {[Nd(Pydc)(μ-CO) · 6HO] · 2HO} ( I), and characterized by elemental analysis, IR spectroscopy, and X-ray single-crystal diffraction. The complex presents 1D stair-like chain array bridged through oxalate, and these 1D chains are further linked into 3D supramolecular architecture by extensive intra- and intermolecular hydrogen-bonding interactions. Preliminary magnetic studies reveal the presence of weak antiferromagnetic couplings with the two adjacent magnetic centers bridged through the pyridine dicarboxylate oxygen atom in the complex. [ABSTRACT FROM AUTHOR]

Published
2011
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