Exploring the computational design of anionic spin-crossover systems
In this work, a systematic study on how the ligand design in the anionic spin-crossover system [Fe(OEt-L1-pH)(NCS)3]− can be used to achieve a high degree of tuning of its transition temperature (T1/2) is presented. Our calculations correctly reproduce the experimentally reported data and allow us t...
| Autores: | , |
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| Tipo de recurso: | artículo |
| Estado: | Versión aceptada para publicación |
| Fecha de publicación: | 2022 |
| País: | España |
| Institución: | Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya) |
| Repositorio: | Recercat. Dipósit de la Recerca de Catalunya |
| OAI Identifier: | oai:recercat.cat:2445/197612 |
| Acceso en línea: | https://hdl.handle.net/2445/197612 |
| Access Level: | acceso abierto |
| Palabra clave: | Lligands Complexos metàl·lics Estructura electrònica Ligands Metal complexes Electronic structure |
| Sumario: | In this work, a systematic study on how the ligand design in the anionic spin-crossover system [Fe(OEt-L1-pH)(NCS)3]− can be used to achieve a high degree of tuning of its transition temperature (T1/2) is presented. Our calculations correctly reproduce the experimentally reported data and allow us to gain further and systematic insight on how to tune up or down the T1/2 value. The axial thiocyanate ligand can be replaced by similar groups (NCO−, NCSe− and NCBH3−) that allows for a large change in the T1/2 value, while a much finer degree of tuning can be achieved by functionalizing the para position of the pyridine groups. Altogether, [Fe(OEt-L1-pH)(NCS)3]− offers a unique platform to explore how ligand design can be realized to prepare new anionic SCO materials with tailored properties. |
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