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Issue 45, 2018
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Why are S–F and S–O non-covalent interactions stabilising?

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Soft non-covalent interactions are important to bulk property materials, but can also affect molecular or single polymer chain properties in optoelectronic materials. S–F and S–O interactions are often used in material design to planarise π-systems and increase conjugation length, but how these interactions might actually be stabilising is still not fully understood. Here, computational analysis using symmetry adapted perturbation theory and natural bond orbital methods uncovers the key electrostatic interactions between sulfur and neighbouring heteroatoms within the same molecule or polymer chain. A future design rule for materials hoping to affect torsional conformation using these types of interactions is to consider the direction of dipoles of functional groups.

Graphical abstract: Why are S–F and S–O non-covalent interactions stabilising?

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Publication details

The article was received on 24 Aug 2018, accepted on 31 Oct 2018 and first published on 01 Nov 2018

Article type: Paper
DOI: 10.1039/C8TC04252G
J. Mater. Chem. C, 2018,6, 12413-12421

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    Why are S–F and S–O non-covalent interactions stabilising?

    K. J. Thorley and I. McCulloch, J. Mater. Chem. C, 2018, 6, 12413
    DOI: 10.1039/C8TC04252G

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