What question did this study set out to answer?

To investigate whether attractive noncovalent interactions can occur between negatively charged anions and the π-electron systems of electron-deficient aromatic rings.

September 16, 2002Angewandte Chemie International Edition

Anion–π Interactions: Do They Exist?

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To investigate whether attractive noncovalent interactions can occur between negatively charged anions and the π-electron systems of electron-deficient aromatic rings.
Examined the geometric positioning of anions hovering along the C6 symmetry axis over hexafluorobenzene.
Analyzed structural data from crystallography combined with computational energy calculations.
Anions interact favorably with the permanent quadrupole moment of electron-deficient arenes such as hexafluorobenzene.
Crystallographic and theoretical data verify that anion–π interactions are energetically favorable rather than repulsive.

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Implication

Structural and computational analysis demonstrates favorable anion–π interactions over electron-deficient arenes, indicating a distinct noncovalent bonding mode in supramolecular chemistry.

Cite This Study

Quiñonero et al. (2002) studied this question.

synapsesocial.com/papers/69d93449ccb0bba5a5684607 https://doi.org/10.1002/1521-3773(20020916)41:18<3389::aid-anie3389>3.0.co;2-s

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Implication

Structural and computational analysis demonstrates favorable anion–π interactions over electron-deficient arenes, indicating a distinct noncovalent bonding mode in supramolecular chemistry.

Anion–π Interactions: Do They Exist?

Key Points

Discussion

Implication

Cite This Study

Anion–π Interactions: Do They Exist?

Key Points

Discussion

Implication

Cite This Study

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