Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine

Supramolecular polygons and polyhedral have many novel applications such as nanoreactors, molecular nanosensors, Host-guest chemistry, among others. In this work is presented the synthesis, characterization and comparison of supramolecular polygons selfassembled between complexes of type [M(dppe)(TO...

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Autores:
Torres, Paulo C.
Moncada, Félix
Duarte Ruiz, Álvaro
Tipo de recurso:
Article of journal
Fecha de publicación:
2013
Institución:
Universidad Nacional de Colombia
Repositorio:
Universidad Nacional de Colombia
Idioma:
spa
OAI Identifier:
oai:repositorio.unal.edu.co:unal/49819
Acceso en línea:
https://repositorio.unal.edu.co/handle/unal/49819
http://bdigital.unal.edu.co/43309/
Palabra clave:
Polígono supramolecular
estudios semiempíricos PM6
autoensamblaje
Supramolecular polygon
PM6 semiempirical studies
self-assembly
Rights
openAccess
License
Atribución-NoComercial 4.0 Internacional
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oai_identifier_str oai:repositorio.unal.edu.co:unal/49819
network_acronym_str UNACIONAL2
network_name_str Universidad Nacional de Colombia
repository_id_str
dc.title.spa.fl_str_mv Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
title Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
spellingShingle Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
Polígono supramolecular
estudios semiempíricos PM6
autoensamblaje
Supramolecular polygon
PM6 semiempirical studies
self-assembly
title_short Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
title_full Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
title_fullStr Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
title_full_unstemmed Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
title_sort Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine
dc.creator.fl_str_mv Torres, Paulo C.
Moncada, Félix
Duarte Ruiz, Álvaro
dc.contributor.author.spa.fl_str_mv Torres, Paulo C.
Moncada, Félix
Duarte Ruiz, Álvaro
dc.subject.proposal.spa.fl_str_mv Polígono supramolecular
estudios semiempíricos PM6
autoensamblaje
Supramolecular polygon
PM6 semiempirical studies
self-assembly
topic Polígono supramolecular
estudios semiempíricos PM6
autoensamblaje
Supramolecular polygon
PM6 semiempirical studies
self-assembly
description Supramolecular polygons and polyhedral have many novel applications such as nanoreactors, molecular nanosensors, Host-guest chemistry, among others. In this work is presented the synthesis, characterization and comparison of supramolecular polygons selfassembled between complexes of type [M(dppe)(TOF)2], which have metal centers in the same group (M = Ni, Pd and Pt) and the organic molecule 4,4'-bipyridine. Analyses by UV -Vis , FT -IR , FT -Raman , 1H- 31P -, 1H COSY-and 19F- NMR, showed that the nickelcontaining complex only formed a square, while the palladium- and platinum-containing complexes formed a triangle–square equilibrium.In addition, PM6 calculations for the supramolecular complexes, considering cationic and neutral systems in the gas phase and in solution, were performed. These results reveal that for the three metals, regardless of the environment, the formation of squares is energetically favored over the formation of triangles. Furthermore, it is observed that the Ni centers favor more the formation of squares, whereas the Pt centers favor it less. These theoretical trends are in good agreement with the experimental results.
publishDate 2013
dc.date.issued.spa.fl_str_mv 2013
dc.date.accessioned.spa.fl_str_mv 2019-06-29T09:21:08Z
dc.date.available.spa.fl_str_mv 2019-06-29T09:21:08Z
dc.type.spa.fl_str_mv Artículo de revista
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url https://repositorio.unal.edu.co/handle/unal/49819
http://bdigital.unal.edu.co/43309/
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dc.relation.spa.fl_str_mv http://revistas.unal.edu.co/index.php/rcolquim/article/view/45917
dc.relation.ispartof.spa.fl_str_mv Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de Química
Revista Colombiana de Química
dc.relation.ispartofseries.none.fl_str_mv Revista Colombiana de Química; Vol. 42, núm. 3 (2013): Versión preliminar; 413-429 2357-3791 0120-2804
dc.relation.references.spa.fl_str_mv Torres, Paulo C. and Moncada, Félix and Duarte Ruiz, Álvaro (2013) Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine. Revista Colombiana de Química; Vol. 42, núm. 3 (2013): Versión preliminar; 413-429 2357-3791 0120-2804 .
dc.rights.spa.fl_str_mv Derechos reservados - Universidad Nacional de Colombia
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dc.rights.license.spa.fl_str_mv Atribución-NoComercial 4.0 Internacional
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dc.rights.accessrights.spa.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv Atribución-NoComercial 4.0 Internacional
Derechos reservados - Universidad Nacional de Colombia
http://creativecommons.org/licenses/by-nc/4.0/
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eu_rights_str_mv openAccess
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dc.publisher.spa.fl_str_mv Universidad Nacional de Colombia
institution Universidad Nacional de Colombia
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spelling Atribución-NoComercial 4.0 InternacionalDerechos reservados - Universidad Nacional de Colombiahttp://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccesshttp://purl.org/coar/access_right/c_abf2Torres, Paulo C.b0b0afa6-21f4-45a6-afb8-b71d16ed8d55300Moncada, Félixa295eb74-a60d-49bb-9c71-f727696811a8300Duarte Ruiz, Álvarofd0f994c-49be-4f45-a702-80c00ed39cd53002019-06-29T09:21:08Z2019-06-29T09:21:08Z2013https://repositorio.unal.edu.co/handle/unal/49819http://bdigital.unal.edu.co/43309/Supramolecular polygons and polyhedral have many novel applications such as nanoreactors, molecular nanosensors, Host-guest chemistry, among others. In this work is presented the synthesis, characterization and comparison of supramolecular polygons selfassembled between complexes of type [M(dppe)(TOF)2], which have metal centers in the same group (M = Ni, Pd and Pt) and the organic molecule 4,4'-bipyridine. Analyses by UV -Vis , FT -IR , FT -Raman , 1H- 31P -, 1H COSY-and 19F- NMR, showed that the nickelcontaining complex only formed a square, while the palladium- and platinum-containing complexes formed a triangle–square equilibrium.In addition, PM6 calculations for the supramolecular complexes, considering cationic and neutral systems in the gas phase and in solution, were performed. These results reveal that for the three metals, regardless of the environment, the formation of squares is energetically favored over the formation of triangles. Furthermore, it is observed that the Ni centers favor more the formation of squares, whereas the Pt centers favor it less. These theoretical trends are in good agreement with the experimental results.Los polígonos y poliedros supramoleculares presentan diversas y novedosas aplicaciones como nanoreactores, en química de inclusión, nanosensores moleculares, entre otras. En este trabajo se presenta la síntesis, caracterización y comparación de polígonos supramoleculares autoensamblados entre complejos de tipo [M(dppe)(TOF)2], con centros metálicos de un mismo grupo (M = Ni, Pd y Pt)y la molécula orgánica 4,4'-bipiridina. Los análisis realizados por UV-Vis, FT-IR, FT-Raman, 1H-, 31P-, 1H COSY- y19F-RMN, demostraron que el complejo que contiene níquel formo únicamente un cuadrado, mientras que los complejos que contienen paladio y platino presentaron un equilibrio triangulo-cuadrado.Además se realizaron cálculos PM6 para los complejos supramoleculares, considerando sistemas catiónicos y neutros, tanto en fase gaseosa como en disolución. Los resultados muestran que para los tres metales, sin importar el medio, se ve favorecida energéticamente la formación de cuadrados en comparación con la formación de triángulos. Además, se observa que los centros de Ni favorecen más la formación de cuadrados, mientras que los centros de Pd la favorecen menos. Las tendencias teóricas se encuentran en concordancia con los resultados experimentales.application/pdfspaUniversidad Nacional de Colombiahttp://revistas.unal.edu.co/index.php/rcolquim/article/view/45917Universidad Nacional de Colombia Revistas electrónicas UN Revista Colombiana de QuímicaRevista Colombiana de QuímicaRevista Colombiana de Química; Vol. 42, núm. 3 (2013): Versión preliminar; 413-429 2357-3791 0120-2804Torres, Paulo C. and Moncada, Félix and Duarte Ruiz, Álvaro (2013) Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridine. Revista Colombiana de Química; Vol. 42, núm. 3 (2013): Versión preliminar; 413-429 2357-3791 0120-2804 .Experimental and theoretical studies of ni, pd and pt supramolecular polygons, self-assembled with 4,4´-bipyridineArtículo de revistainfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501http://purl.org/coar/resource_type/c_2df8fbb1http://purl.org/coar/version/c_970fb48d4fbd8a85Texthttp://purl.org/redcol/resource_type/ARTPolígono supramolecularestudios semiempíricos PM6autoensamblajeSupramolecular polygonPM6 semiempirical studiesself-assemblyORIGINAL45917-222634-1-SM.pdfapplication/pdf2389286https://repositorio.unal.edu.co/bitstream/unal/49819/1/45917-222634-1-SM.pdf13bdb403c76f86d0d1b869978458ccffMD51THUMBNAIL45917-222634-1-SM.pdf.jpg45917-222634-1-SM.pdf.jpgGenerated Thumbnailimage/jpeg7468https://repositorio.unal.edu.co/bitstream/unal/49819/2/45917-222634-1-SM.pdf.jpge8a894f6326e66f6d3fc756519f2cb26MD52unal/49819oai:repositorio.unal.edu.co:unal/498192022-12-17 23:04:12.932Repositorio Institucional Universidad Nacional de Colombiarepositorio_nal@unal.edu.co