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Stable organic radicals have drawn attention as promising building blocks for multifunctional materials. In order to realize the tailored magnets based on molecular materials, it is necessary to investigate magneto-structural correlation of open-shell molecules. In the present chapter, we describe the magnetic property of dihydroquinoline N-oxyl-based radicals and benztriazynyl-based radicals to discuss the substituent effect on molecular packing and intermolecular magnetic interaction. Relatively large magnetic interactions were observed through π-π stacking for dihydroquinoline N-oxyl-based radicals. Spin transition behavior was demonstrated in benztriazynyl-based radical.

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Magneto-Structural Correlation in Organic Radical Crystals Containing Nitroxyl and Triazinyl Spin Centers

  • 章节

  • 发表日期：

    2025年

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  • Naoki Yoshioka,
  • Masaomi Takii,
  • Youhei Miura

摘要

Stable organic radicals have drawn attention as promising building blocks for multifunctional materials. In order to realize the tailored magnets based on molecular materials, it is necessary to investigate magneto-structural correlation of open-shell molecules. In the present chapter, we describe the magnetic property of dihydroquinoline N-oxyl-based radicals and benztriazynyl-based radicals to discuss the substituent effect on molecular packing and intermolecular magnetic interaction. Relatively large magnetic interactions were observed through π-π stacking for dihydroquinoline N-oxyl-based radicals. Spin transition behavior was demonstrated in benztriazynyl-based radical.