Abstract:The strong, stable radical signal is forged from two levels of structural design. On the molecular level, we fused terephthalic acid with two 1,4-dithiin (-S-CH = CH-S-) units to afford a polycyclic (3-ring), sulfur-rich linker (TTA) with versatile reactivity—e.g., for generating stable radicals. On the solid-state level, the linker was crystallized with Eu(III) to form EuTTA as a 3D metal-organic framework (MOF) featuring stacks of TTA molecules along the Eu-carboxyl rod domain. As revealed by single-crystal … Show more
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