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|title: ||Coordination modes of pyridine-carboxylic acid derivatives in samarium (III) complexes|
|authors: ||Soares-Santos, Paula C. R.|
Paz, Filipe A. Almeida
Ferreira, Rute A. Sa
Carlos, Luis D.
Nogueira, Helena I. S.
|keywords: ||Lanthanide complexes|
|issue date: ||Aug-2006|
|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
|publisher version/DOI: ||dx.doi.org/10.1016/j.poly.2006.03.002|
|appears in collections||DQ - Artigos|
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