Computational Approach to the Study of Thermal Spin Crossover Phenomena

The key parameters associated to the thermally induced spin crossover process have been calculated for a series of Fe(II) complexes with mono-, bi-, and tridentate ligands. Combination of density functional theory calculations for the geometries and for normal vibrational modes, and highly correlate...

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Bibliographic Details
Authors: Rudavskyi, Andrii, Sousa Romero, Carmen, Graaf, Coen de, Havenith, Remco W. A., Broer, Ria
Format: article
Status:Published version
Publication Date:2014
Country:España
Institution:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repository:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:2445/54504
Online Access:https://hdl.handle.net/2445/54504
Access Level:Open access
Keyword:Metalls de transició
Termodinàmica
Simulació per ordinador
Spin (Física nuclear)
Entropia
Transition metals
Thermodynamics
Computer simulation
Nuclear spin
Entropy
Description
Summary:The key parameters associated to the thermally induced spin crossover process have been calculated for a series of Fe(II) complexes with mono-, bi-, and tridentate ligands. Combination of density functional theory calculations for the geometries and for normal vibrational modes, and highly correlated wave function methods for the energies, allows us to accurately compute the entropy variation associated to the spin transition and the zero-point corrected energy difference between the low- and high-spin states. From these values, the transition temperature, T 1/2, is estimated for different compounds.