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[Fe(bpp)2][BF4]2 (bpp = 2,6-di{pyrazol-1-yl}pyridine) derivatives with a bent geometry of hexadec-1-ynyl or hexadecyl pyrazole substituents are isomorphous, and high-spin at room temperature. However, only the latter compound undergoes an abrupt,… Click to show full abstract
[Fe(bpp)2][BF4]2 (bpp = 2,6-di{pyrazol-1-yl}pyridine) derivatives with a bent geometry of hexadec-1-ynyl or hexadecyl pyrazole substituents are isomorphous, and high-spin at room temperature. However, only the latter compound undergoes an abrupt, stepwise spin-transition on cooling. This may reflect the different conformational flexibilities of their long chain substituents.
Keywords:
chain substituents;
long chain;
substituents influences;
flexibility long;
influences spin
Journal Title: Chemical communications
Year Published: 2021
Link to full text (if available)
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Journal Title: Chemical communications
Year Published: 2021
Link to full text (if available)
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recommendations!