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http://hdl.handle.net/10773/6138| Title: | Coordination modes of pyridine-carboxylic acid derivatives in samarium (III) complexes |
| Author: | Soares-Santos, Paula C. R. Almeida Paz, Filipe A. Ferreira, Rute A. Sa Klinowski, Jacek Carlos, Luis D. Trindade, Tito Nogueira, Helena I. S. |
| Keywords: | Lanthanide complexes N,O ligands Coordination modes Crystal structures Luminescence |
| Issue Date: | Aug-2006 |
| Publisher: | Elsevier |
| Abstract: | Samarium (III) complexes of picolinic acid (Hpic), 3-hydroxypicolinic acid (HpicOH) and 2-hydroxynicotinic acid (H2nicO) were prepared and characterised. The crystal structures of the samarium complexes K2[Sm2(pic)6(l-pic)2] Æ 7.5H2O (1), [Sm(picOH)2- (l-HpicO)(H2O)] Æ 3H2O (2) and [Sm(HnicO)2(l-HnicO)(H2O)] Æ 5H2O (3) were determined by single-crystal X-ray diffraction studies. The coordination modes of the pyridine-carboxylic acids to Sm3+ centres have been investigated. These complexes showed roomtemperature photoluminescence. |
| Peer review: | yes |
| URI: | http://hdl.handle.net/10773/6138 |
| DOI: | 10.1016/j.poly.2006.03.002 |
| ISSN: | 0277-5387 |
| Appears in Collections: | DQ - Artigos |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| Polyhedron 25 (2006) 2471-2482.pdf | 895.05 kB | Adobe PDF |  |
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