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Understanding the reaction mechanism of the oxidative addition of ammonia by (PXP)Ir(i) complexes: The role of the X group
dc.creator | Munarriz J., Velez E., Casado M.A., Polo V. | spa |
dc.date.accessioned | 2018-04-13T16:35:04Z | |
dc.date.available | 2018-04-13T16:35:04Z | |
dc.date.created | 2018 | |
dc.identifier.issn | 14639076 | |
dc.identifier.uri | http://hdl.handle.net/11407/4571 | |
dc.description.abstract | An analysis of the electronic rearrangements for the oxidative addition of ammonia to a set of five representative (PXP)Ir pincer complexes (X = B, CH, O, N, SiH) is performed. We aim to understand the factors controlling the activation and reaction energies of this process by combining different theoretical strategies based on DFT calculations. Interestingly, complexes featuring higher activation barriers yield more exothermic reactions. The analysis of the reaction path using the bonding evolution theory shows that the main chemical events, N-H bond cleavage and Ir-H bond formation, take place before the transition structure is reached. Metal oxidation implies an electron density transfer from non-shared Ir pairs to the Ir-N bond. This decrement in the atomic charge of the metal provokes different effects in the ionic contribution of the Ir-X bonding depending on the nature of the X atom as shown by the interacting quantum atoms methodology. © 2017 the Owner Societies. | eng |
dc.language.iso | eng | |
dc.publisher | Royal Society of Chemistry | spa |
dc.relation.isversionof | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85040241118&doi=10.1039%2fc7cp07453k&partnerID=40&md5=435348b35bb1efcbe6b3face1e11fe22 | spa |
dc.source | Scopus | spa |
dc.title | Understanding the reaction mechanism of the oxidative addition of ammonia by (PXP)Ir(i) complexes: The role of the X group | spa |
dc.type | Article | eng |
dc.rights.accessrights | info:eu-repo/semantics/restrictedAccess | |
dc.contributor.affiliation | Departamento de Química Física, Instituto de Biocomputación y Física de Los Sistemas Complejos (BIFI), Universidad de Zaragoza, Zaragoza, Spain; Departamento de Ciencias Básicas, Universidad de Medellín, Medellín, Colombia; Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza, Zaragoza, Spain | spa |
dc.identifier.doi | 10.1039/c7cp07453k | |
dc.publisher.faculty | Facultad de Ciencias Básicas | spa |
dc.abstract | An analysis of the electronic rearrangements for the oxidative addition of ammonia to a set of five representative (PXP)Ir pincer complexes (X = B, CH, O, N, SiH) is performed. We aim to understand the factors controlling the activation and reaction energies of this process by combining different theoretical strategies based on DFT calculations. Interestingly, complexes featuring higher activation barriers yield more exothermic reactions. The analysis of the reaction path using the bonding evolution theory shows that the main chemical events, N-H bond cleavage and Ir-H bond formation, take place before the transition structure is reached. Metal oxidation implies an electron density transfer from non-shared Ir pairs to the Ir-N bond. This decrement in the atomic charge of the metal provokes different effects in the ionic contribution of the Ir-X bonding depending on the nature of the X atom as shown by the interacting quantum atoms methodology. © 2017 the Owner Societies. | eng |
dc.creator.affiliation | Munarriz, J., Departamento de Química Física, Instituto de Biocomputación y Física de Los Sistemas Complejos (BIFI), Universidad de Zaragoza, Zaragoza, Spain; Velez, E., Departamento de Ciencias Básicas, Universidad de Medellín, Medellín, Colombia; Casado, M.A., Departamento de Química Inorgánica, Instituto de Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza, Zaragoza, Spain; Polo, V., Departamento de Química Física, Instituto de Biocomputación y Física de Los Sistemas Complejos (BIFI), Universidad de Zaragoza, Zaragoza, Spain | spa |
dc.relation.ispartofes | Physical Chemistry Chemical Physics | spa |
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dc.type.version | info:eu-repo/semantics/publishedVersion | |
dc.type.driver | info:eu-repo/semantics/article |
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