Journal
POLYHEDRON
Volume 88, Issue -, Pages 176-181Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2014.12.035
Keywords
Hydrothermal synthesis; X-ray structures; 2,5-Pyridinedicarboxylic acid; Samarium(lll) coordination polymer; Decarboxylation
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Funding
- Research Unit of Cukurova University [FEF2013YL23]
- Medicinal Plants and Medicine Research Centre of Anadolu University, Eskisehir, Turkey
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A novel three dimensional (3D) coordination polymer [Sm(pic)(2)(pydc)(4)(H2O)](n) (pydc = pyridine-2,5-dicarboxylate, Hpic = picolinic acid) (1) has been synthesized hydrothermally and characterized by elemental analysis, FT-IR, TG/DTA, single-crystal X-ray diffraction analysis and powder X-ray diffraction (PXRD). This compound crystallizes in the monoclinic space group P2(1/c) with cell parameters a = 9.3041(13)angstrom, b= 14.216(2)angstrom, c = 10.5401(15) angstrom, V= 1387.72(30) angstrom(3) and Z = 4. complex 1 has a distinct 3D open-framework architecture due to the presence of pitolinic ligands, which are converted from 2,5-pydc ligands by in-situ decarboxylation under the hydrothermal conditions. The compound exhibits strong luminescent emissions because of the f-f transitions of the Sm(III) ion at room temperature. According to TGA/DTA analysis, the coordination polymer is thermally stable up to similar to 300 degrees C. (C) 2015 Elsevier Ltd. All rights reserved.
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