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Abstract:

Despite the large number of reported crystalline structures of coordination complexes bearing pyridines as ligands, the relevance of π-π interactions among these hereroaromatic systems in the stabilization of their supramolecular structures and properties is not very well documented in the recent literature. The title compound, [CoCl2(C5H6N2)2], was obtained as bright-blue crystals suitable for single-crystal X-ray diffraction analysis from the reaction of 4-aminopyridine with cobalt(II) chloride in ethanol. The new complex was fully characterized by a variety of spectroscopic techniques and single-crystal X-ray diffraction. The crystal structure showed a tetrahedral complex stabilized mainly by bidimensional motifs constructed by π-π interactions with large horizontal displacements between the 4-aminopyridine units, and N - H...Cl hydrogen bonds. Other short contacts, such as C - H...Cl interactions, complete the three-dimensional arrangement. The supramolecular investigation was extended by statistical studies using the Cambridge Structural Database and a Hirshfeld surface analysis.A new cobalt(II) pyridine-based coordination compound showing π-π interactions with large horizontal displacements between the 4-aminopyridine ligands and N - H...Cl and C - H...Cl hydrogen bonds is reported. The molecular and supramolecular structures have been studied in detail and compared with those of similar complexes found in a search of the Cambridge Structural Database. The supramolecular structure was also investigated by Hirshfeld surface analysis. © International Union of Crystallography, 2017.

Registro:

Documento: Artículo
Título:Synthesis, crystal structure and study of the crystal packing in the complex bis(4-aminopyridine-κN1)dichloridocobalt(II)
Autor:Sanchez Montilva, O.C.; Movilla, F.; Rodriguez, M.G.; Di Salvo, F.
Filiación:Departamento de Química Inorgánica, Analítica y Química Física/INQUIMAE-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2160, Buenos Aires, Argentina
Palabras clave:4-aminopyridine; cobalt complex; crystal structure; fingerprint plots; Hirshfeld analysis; pyridine-pyridine dimer; π-π stacking; Cobalt; Cobalt compounds; Complexation; Coordination reactions; Dimers; Hydrogen bonds; Ligands; Pyridine; Single crystals; Supramolecular chemistry; Surface analysis; X ray diffraction analysis; Chlorine compounds; 4-Aminopyridine; Cambridge Structural Databases; Cobalt complexes; fingerprint plots; Hirshfeld analysis; Horizontal displacements; Single crystal x-ray diffraction; Single crystal X-ray diffraction analysis; Supramolecular structure; Crystal structure
Año:2017
Volumen:73
Número:5
Página de inicio:399
Página de fin:406
DOI: http://dx.doi.org/10.1107/S2053229617004880
Título revista:Acta Crystallographica Section C: Structural Chemistry
Título revista abreviado:Acta crystallogr., C Struct. Chem.
ISSN:20532296
CODEN:ACSCG
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_20532296_v73_n5_p399_SanchezMontilva

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Citas:

---------- APA ----------
Sanchez Montilva, O.C., Movilla, F., Rodriguez, M.G. & Di Salvo, F. (2017) . Synthesis, crystal structure and study of the crystal packing in the complex bis(4-aminopyridine-κN1)dichloridocobalt(II). Acta Crystallographica Section C: Structural Chemistry, 73(5), 399-406.
http://dx.doi.org/10.1107/S2053229617004880
---------- CHICAGO ----------
Sanchez Montilva, O.C., Movilla, F., Rodriguez, M.G., Di Salvo, F. "Synthesis, crystal structure and study of the crystal packing in the complex bis(4-aminopyridine-κN1)dichloridocobalt(II)" . Acta Crystallographica Section C: Structural Chemistry 73, no. 5 (2017) : 399-406.
http://dx.doi.org/10.1107/S2053229617004880
---------- MLA ----------
Sanchez Montilva, O.C., Movilla, F., Rodriguez, M.G., Di Salvo, F. "Synthesis, crystal structure and study of the crystal packing in the complex bis(4-aminopyridine-κN1)dichloridocobalt(II)" . Acta Crystallographica Section C: Structural Chemistry, vol. 73, no. 5, 2017, pp. 399-406.
http://dx.doi.org/10.1107/S2053229617004880
---------- VANCOUVER ----------
Sanchez Montilva, O.C., Movilla, F., Rodriguez, M.G., Di Salvo, F. Synthesis, crystal structure and study of the crystal packing in the complex bis(4-aminopyridine-κN1)dichloridocobalt(II). Acta crystallogr., C Struct. Chem. 2017;73(5):399-406.
http://dx.doi.org/10.1107/S2053229617004880