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Solvent Dependent Spin‐Crossover and Photomagnetic Properties in an Imidazolylimine FeII Complex
ARCHER, Rosanna
University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
SCOTT, Hayley
University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
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University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
ARCHER, Rosanna
University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
SCOTT, Hayley
University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
University of Canterbury [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
KRUGER, Paul
School of Physical and Chemical Sciences [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
< Reduce
School of Physical and Chemical Sciences [Christchurch]
MacDiarmid Institute for Advanced Materials and Nanotechnology
Language
en
Article de revue
This item was published in
Chemistry - An Asian Journal. 2019-06-11, vol. 14, p. pp. 2225-2229
Wiley-VCH Verlag
English Abstract
The synthesis and physico-chemical characterization of an FeII complex [Fe(L1)3](ClO4)2·CH3CN·0.5H2O, 1, incorporating a bidentate imidazolylimine-based ligand are reported. Complex 1 crystallises as the mer-isomer and the ...Read more >
The synthesis and physico-chemical characterization of an FeII complex [Fe(L1)3](ClO4)2·CH3CN·0.5H2O, 1, incorporating a bidentate imidazolylimine-based ligand are reported. Complex 1 crystallises as the mer-isomer and the crystal lattice is replete with hydrogen bonding interactions between ClO4! anions, solvent molecules and imidazole N-H groups. Variable-temperature structural, magnetic, photomagnetic and optical reflectivity techniques have been deployed to fully characterise the spin-crossover (SCO) behaviour in 1 along with its desolvated phase, 1·desolv. Variable-temperature (1.8–300 K) magnetic- susceptibility measurements reveal a broad two-step full SCO for 1 (T1/2=158 and 184 K) and photomagnetic experiments at 10 K under white-light irradiation revealed complete photo-induced SCO. 1·desolv displays considerably different magnetic behaviour with sharp single-stepSCO accompanied by a thermal hysteresis (T1/2›=105 K, T1/2fl=95 K) in addition to full photo-induced SCO at lower temperatures.Read less <
English Keywords
Molecular magnetism
Photomagnetism
Solventeffects
Spin-crossover
Supramolecular
Origin
Hal imported