Single crystal X-ray structural features of aromatic compounds having a pentafluorosulfuranyl (SF5) functional group
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Nine pentafluorosulfuranyl (SF5)-containing aromatic compounds have been characterized crystallographically. The SF5 group has an umbrella geometry, and the sulfur atom in the SF5 group is in an approximately octahedral coordination environment. All S–F bond lengths [1.572(3)–1.618(3) Å] are very similar, and the C–S–Fax bond angles [178.94(14)–180°] are very close to each other. The angle of two adjacent Feq is approximately 90°. The intramolecular and intermolecular interactions such as Caryl–H···Feq, Caryl–H···O/N/F/Cl interactions, and π-stacking interactions play a very important role in their three-dimensional packing frameworks.
KeywordsPentafluorosulfuranyl (SF5) group Aromatic compounds Single crystal X-ray structure Intramolecular interactions Intermolecular interactions
We are grateful to the University of St Andrews for financial support.
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