Mechanism of Dinitrogen Photoactivation by P2PPhFe Complexes: Thermodynamic and Kinetic Computational Studies
| dc.contributor.affiliation | Prada, C., Departamento de Química, Universidad de los Andes, Cra 1 No. 18A − 12, Bogotá, 111711, Colombia | |
| dc.contributor.affiliation | Dzib, E., Departamento de Física Aplicada, Centro de Investigación y de Estudios Avanzados, Unidad Mérida, Km. 6 Antigua Carretera a Progreso, Apdo. Postal 73, Yucatan, Mérida, 97310, Mexico | |
| dc.contributor.affiliation | Núñez-Zarur, F., Facultad de Ciencias Básicas, Departamento de Química Física, Universidad de Medellín, Carrera 87 N° 30-65, Medellín, 050026, Colombia | |
| dc.contributor.affiliation | Salvador, P., Institut de Química Computacional i Catàlisi, Departament de Química, Universitat de Girona, Maria Aurèlia Capmany 69, Catalonia, Girona, 17003, Spain | |
| dc.contributor.affiliation | Merino, G., Departamento de Física Aplicada, Centro de Investigación y de Estudios Avanzados, Unidad Mérida, Km. 6 Antigua Carretera a Progreso, Apdo. Postal 73, Yucatan, Mérida, 97310, Mexico | |
| dc.contributor.affiliation | Calzado, C.J., Departamento de Química Física, Universidad de Sevilla, Sevilla, 41012, Spain | |
| dc.contributor.affiliation | Zapata-Rivera, J., Departamento de Química, Universidad del Valle, Calle 13 N° 100−00, Cali, 760042, Colombia | |
| dc.contributor.author | Prada C | |
| dc.contributor.author | Dzib E | |
| dc.contributor.author | Núñez-Zarur F | |
| dc.contributor.author | Salvador P | |
| dc.contributor.author | Merino G | |
| dc.contributor.author | Calzado C.J | |
| dc.contributor.author | Zapata-Rivera J. | |
| dc.date.accessioned | 2025-04-28T22:09:58Z | |
| dc.date.available | 2025-04-28T22:09:58Z | |
| dc.date.issued | 2024 | |
| dc.description | The P2PPhFe(N2)(H)2 catalyst showed a significant ammonia yield under light irradiation. However, under thermal conditions, the hydrogen evolution reaction (HER) is favored over the nitrogen reduction reaction (N2RR), making P2PPhFe(N2)(H)2 an ideal system for studying the competition between both reactions. In this study, we used a series of computational tools to elucidate the photochemical reaction mechanism for the N2RR and thermal pathways leading to the HER with this catalyst. We calculated the energy profile for each transformation and estimated the rate constants for each step. Our results, which are consistent with experimental observations, indicate that photoinduced H2 elimination from P2PPhFe(N2)(H)2 promotes the formation of P2PPhFe(N2)2, which is on-path for N2RR. However, this elimination process is kinetically hindered due to high-energy barriers. Furthermore, our calculations reveal enhanced dinitrogen activation upon the conversion of P2PPhFe(N2)(H)2 to P2PPhFe(N2)2 © 2024 The Authors. Published by American Chemical Society. | |
| dc.identifier.doi | 10.1021/acs.inorgchem.4c04006 | |
| dc.identifier.instname | instname:Universidad de Medellín | spa |
| dc.identifier.issn | 201669 | |
| dc.identifier.reponame | reponame:Repositorio Institucional Universidad de Medellín | spa |
| dc.identifier.repourl | repourl:https://repository.udem.edu.co/ | |
| dc.identifier.uri | http://hdl.handle.net/11407/8863 | |
| dc.language.iso | eng | |
| dc.publisher | American Chemical Society | spa |
| dc.publisher.faculty | Facultad de Ciencias Básicas | spa |
| dc.relation.isversionof | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85207353248&doi=10.1021%2facs.inorgchem.4c04006&partnerID=40&md5=2ac95859c7036690339d5a0eb862787a | |
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| dc.rights.accessrights | info:eu-repo/semantics/restrictedAccess | |
| dc.source | Inorganic Chemistry | |
| dc.source | Inorg. Chem. | |
| dc.source | Scopus | |
| dc.subject | Activation energy | |
| dc.subject | Ammonia | |
| dc.subject | Energy barriers | |
| dc.subject | Photochemical reactions | |
| dc.subject | Specific energy | |
| dc.subject | Complex kinetics | |
| dc.subject | Complex thermodynamics | |
| dc.subject | Computational studies | |
| dc.subject | Dinitrogen | |
| dc.subject | Fe complexes | |
| dc.subject | Hydrogen evolution reactions | |
| dc.subject | Light irradiations | |
| dc.subject | Photo activations | |
| dc.subject | Thermodynamics and kinetics | |
| dc.subject | ]+ catalyst | |
| dc.subject | Rate constants | |
| dc.title | Mechanism of Dinitrogen Photoactivation by P2PPhFe Complexes: Thermodynamic and Kinetic Computational Studies | |
| dc.type | Article | |
| dc.type.local | Artículo revisado por pares | spa |
| dc.type.version | info:eu-repo/semantics/publishedVersion |
