Photoinduced reversible spin-state switching of an FeIII complex assisted by a halogen-bonded supramolecular network.
@article{Jeon2017PhotoinducedRS,
title={Photoinduced reversible spin-state switching of an FeIII complex assisted by a halogen-bonded supramolecular network.},
author={Ie‐Rang Jeon and Corine Mathoni{\`e}re and Rodolphe Cl{\'e}rac and Mathieu Rouzi{\`e}res and Olivier Jeannin and Elżbieta Trzop and Eric Collet and Marc Fourmigu{\'e}},
journal={Chemical communications},
year={2017},
volume={53 74},
pages={
10283-10286
}
}The organization of a molecular FeIII complex embedded in a halogen-bonded 2D network is chemically tuned to trigger temperature- and light-induced spin-state switching. We attribute the associated magnetic properties and the unprecedented photoswitching effect to the optimized structural confinement provided by the presence of the supramolecular host framework.
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References
SHOWING 1-10 OF 28 REFERENCES
Spin-state modulation of molecular FeIII complexes via inclusion in halogen-bonded supramolecular networks.
- ChemistryChemical communications
- 2017
Structural analysis and magnetic measurements show that the spin-state of this cationic complex can be modulated by its inclusion in supramolecular host frameworks.
A New Family of Anionic Fe(III) Spin Crossover Complexes Featuring a Weak-Field N2O4 Coordination Octahedron.
- ChemistryChemistry
- 2016
The present anionic SCO complex also exhibited the light- induced excited-spin-state trapping effect and the DFT calculations suggested that larger coefficients on the azo group in the HOMO-1 of a ligand might contribute to the enhancement of the ligand-field splitting energy.
The Light-induced Excited Spin State Trapping Effect on Ni(dmit)2 Salt with an Fe(III) Spin-crossover Cation: [Fe(qsal)2][Ni(dmit)2] 2CH3CN
- Chemistry, Physics
- 2005
The Ni(dmit) 2 salt with an Fe(III) spin-crossover cation, Fe(qsal) 2 , was prepared and showed a cooperative spin transition based on π-π interactions between π-ligands. The light-induced excited…
Coordination chemistry of anions through halogen-bonding interactions.
- Chemistry, Materials ScienceActa crystallographica Section B, Structural science, crystal engineering and materials
- 2017
This special issue devoted to halogen bonding illustrates recent developments associated with this interaction in crystal engineering, unravelling here unusual trends of a coordination chemistry of halide anions.
Solvent modified spin crossover in an iron(iii) complex: phase changes and an exceptionally wide hysteresis
- ChemistryChemical science
- 2017
The impact of solvent on spin crossover is explored with T 1/2 varying by 200 K and hysteresis up to 80 K.
Role of solvents in coordination supramolecular systems.
- Materials Science, ChemistryChemical communications
- 2011
This feature article aims to demonstrate the solvent effect on regulating such diversiform metallosupramolecular solids, incorporating their crystal growth/assembly, structural modulation, dynamic transformations, and potential applications, which may provide new insights into the rational design and construction of such advanced crystalline materials.
Halogen bonding based recognition processes: a world parallel to hydrogen bonding.
- Materials Science, ChemistryAccounts of chemical research
- 2005
The main features of the interaction are given, and the close similarity with the hydrogen bonding will become apparent, and some heuristic principles are presented to develop a rational crystal engineering based on halogen bonding.
Spin-state ordering on one sub-lattice of a mononuclear iron(III) spin crossover complex exhibiting LIESST and TIESST.
- Materials Science, PhysicsChemistry
- 2014
The two-step spin crossover in mononuclear iron(III) complex [Fe(salpm)2 ]ClO4 ⋅0.5 EtOH (1) is shown to be accompanied by a structural phase transition as concluded from (57) Fe Mössbauer…
A hybrid magnet with coexistence of ferromagnetism and photoinduced Fe(III) spin-crossover
- Chemistry
- 2011
The insertion of a [Fe(sal2-trien)]+ complex cation into a 2D oxalate network results in a hybrid magnet with coexistence of magnetic ordering and photoinduced spin-crossover (LIESST effect) in…



