Unique spin crossover pathways differentiated by scan rate in a new dinuclear Fe(<scp>ii</scp>) triple helicate: mechanistic deductions enabled by synchrotron radiation studies

Wallis, Matthew J.; Craze, Alexander R.; Zenno, Hikaru; Tokunaga, Ryuya; Taira, Takahiro; Min, Hyunsung; Bhadbhade, Mohan; Bhattacharyya, Saroj; Tian, Ruoming; Rich, Anne M.; Hayami, Shinya; Clegg, Jack K.; Marjo, Christopher E.; Lindoy, Leonard F.; Li, Feng

doi:10.1039/d2tc04998h

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2024

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Cited by 2 publications

References 59 publications

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Conformational investigations on three large dinuclear triple helicates by single crystal X-ray diffraction

Howard-Smith,

Wallis,

Flood

et al. 2024

J Incl Phenom Macrocycl Chem

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Three new dinuclear triple helicates were synthesised using a ditopic semi-rigid pyridylylimine ligand L, separated by a diphenoxy-biphenol spacer providing considerable length to the backbone. L and the new large dinuclear triple helicate complexes [Fe2L3](BF4)4 (1), [Ni2L3](BF4)4 (2) and [Zn2L3](BF4)4 (3) have been characterised in solution and solid state. Single crystal X-ray diffraction was used to investigate overall complex ion shape as the coordination sphere was modulated by metal ion selection. Small differences in complex shape were seen to arise due to subtle distortions in coordination sphere environments. This study sheds light on how the length and twist of dinuclear triple helicates can be tuned by selection of coordinating metal ion.

show abstract

Conformational investigations on three large dinuclear triple helicates by single crystal X-ray diffraction

Howard-Smith,

Wallis,

Flood

et al. 2024

J Incl Phenom Macrocycl Chem

View full text Add to dashboard Cite

show abstract

Conformational Investigations on Three Large Dinuclear Triple Helicates by Single Crystal X-ray Diffraction

Howard-Smith,

Wallis,

Flood

et al. 2024

Preprint

Self Cite

View full text Add to dashboard Cite

Three new dinuclear triple helicates were synthesised using a ditpoic semi-rigid pyridylylimine ligand L, separated by a diphenoxy-biphenol spacer providing considerable length to the backbone. L and the new large dinuclear triple helicate complexes [Fe2L3](BF4)4 (1), [Ni2L3](BF4)4 (2) and [Zn2L3](BF4)4 (3) have been characterised in solution and solid state. Single crystal X-ray diffraction was used to investigate overall complex ion shape as the coordination sphere was modulated by metal ion selection. Small differences in complex shape were seen to arise due to subtle distortions in coordination sphere environments. This study sheds light on how the length and twist of dinuclear triple helicates can be tuned by selection of coordinating metal ion.

show abstract

Unique spin crossover pathways differentiated by scan rate in a new dinuclear Fe(ii) triple helicate: mechanistic deductions enabled by synchrotron radiation studies

Abstract: The achievement of targeted properties in spin crossover (SCO) materials is complicated by often unpredictable cooperative interactions in the solid state. Herein, we report a dinuclear Fe(II) triple helicate 1, which...

Cited by 2 publications

References 59 publications

Conformational investigations on three large dinuclear triple helicates by single crystal X-ray diffraction

Conformational investigations on three large dinuclear triple helicates by single crystal X-ray diffraction

Conformational Investigations on Three Large Dinuclear Triple Helicates by Single Crystal X-ray Diffraction

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