Artículo
Abstract:
The centro symmetric dinuclear complex bis(μ-3-carboxy-6-methylpyridine-2-carboxylato)-κ3N,O2:O2;κ3O2:N,O2-bis[(2,2'-bipyridine-κ2N,N')(nitrato-κO)-cadmium] methanol monosolvate, [Cd2(C8H6NO4)2(NO3)2(C10H8N2)2]·CH3OH, was isolated as colourless crystals from the reaction of Cd(NO3)2·4H2O, 6-methylpyridine-2,3-dicarboxylic acid (mepydcH2) and 2,2'-bipyridine in methanol. The asymmetric unit consists of a CdII cation bound to a μ-κ3 N,O2:O2mepydcH- anion, an N, N'-bidentate 2,2'-bipyridine group and an O-monodentate nitrate anion, and is completed with a methanol solvent molecule at halfoccupancy. The Cd complex unit is linked to its centrosymmetric image through a bridging mepydcH-carboxylate O atom to complete the dinuclear complex molecule. Despite a significant variation in the coordination angles, indicating a considerable departure from octahedral coordination geometry about the CdII atom, the Cd-O and Cd-N distances in this complex are surprisingly similar. The crystal structure consists of O-H···O hydrogen-bonded chains parallel to a, further bound by C-H···O contacts along b to form planar two-dimensional arrays parallel to (001). The juxtaposed planes form interstitial columnar voids that are filled by the methanol solvent molecules. These in turn interact with the complex molecules to further stabilize the structure. A search in the literature showed that complexes with the mepydcH- ligand are rare and complexes reported previously with this ligand do not adopt the μ-κ3 coordination mode found in the title compound.
Registro:
| Documento: | Artículo |
| Título: | Structure of a dinuclear cadmium complex with 2,2'-bipyridine, monodentate nitrate and 3-carboxy-6-methylpyridine-2-carboxylate ligands: Intramolecular carbonyl(lone pair)···π(ring) and nitrate(π)···π(ring) interactions |
| Autor: | Granifo, J.; Suarez, S.; Baggio, R. |
| Filiación: | Departamento de Ciencias Químicas y Recursos Naturales, Facultad de Ingeniería y Ciencias, Universidad de La Frontera, Casilla 54-D, Temuco, Chile Departamento de Química Inorgánica, Analítica y Química Física, INQUIMAE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina Gerencia de Investigación y Aplicaciones, Centro Atómico Constituyentes, Comisión Nacional de Energía Atómica, Buenos Aires, Argentina |
| Palabras clave: | Crystal structure; Dinuclear Cd complex; Intramolecular C-O···π(ring) and N-O···π(ring) interactions |
| Año: | 2015 |
| Volumen: | 71 |
| Página de inicio: | 890 |
| Página de fin: | 894 |
| DOI: | http://dx.doi.org/10.1107/S2056989015012384 |
| Título revista: | Acta Crystallographica Section E: Crystallographic Communications |
| Título revista abreviado: | Acta Crystallographica Section E: Crystallographic Communications |
| ISSN: | 20569890 |
| Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20569890_v71_n_p890_Granifo |
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Citas:
---------- APA ----------
Granifo, J., Suarez, S. & Baggio, R. (2015) . Structure of a dinuclear cadmium complex with 2,2'-bipyridine, monodentate nitrate and 3-carboxy-6-methylpyridine-2-carboxylate ligands: Intramolecular carbonyl(lone pair)···π(ring) and nitrate(π)···π(ring) interactions. Acta Crystallographica Section E: Crystallographic Communications, 71, 890-894.http://dx.doi.org/10.1107/S2056989015012384
---------- CHICAGO ----------
Granifo, J., Suarez, S., Baggio, R. "Structure of a dinuclear cadmium complex with 2,2'-bipyridine, monodentate nitrate and 3-carboxy-6-methylpyridine-2-carboxylate ligands: Intramolecular carbonyl(lone pair)···π(ring) and nitrate(π)···π(ring) interactions" . Acta Crystallographica Section E: Crystallographic Communications 71 (2015) : 890-894.http://dx.doi.org/10.1107/S2056989015012384
---------- MLA ----------
Granifo, J., Suarez, S., Baggio, R. "Structure of a dinuclear cadmium complex with 2,2'-bipyridine, monodentate nitrate and 3-carboxy-6-methylpyridine-2-carboxylate ligands: Intramolecular carbonyl(lone pair)···π(ring) and nitrate(π)···π(ring) interactions" . Acta Crystallographica Section E: Crystallographic Communications, vol. 71, 2015, pp. 890-894.http://dx.doi.org/10.1107/S2056989015012384
---------- VANCOUVER ----------
Granifo, J., Suarez, S., Baggio, R. Structure of a dinuclear cadmium complex with 2,2'-bipyridine, monodentate nitrate and 3-carboxy-6-methylpyridine-2-carboxylate ligands: Intramolecular carbonyl(lone pair)···π(ring) and nitrate(π)···π(ring) interactions. Acta Crystallographica Section E: Crystallographic Communications. 2015;71:890-894.http://dx.doi.org/10.1107/S2056989015012384
