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Fig. 2 | BMC Chemistry

Fig. 2

From: New insights into prediction of weak π–π complex association through proton-nuclear magnetic resonance analysis

Fig. 2

The relationship between \({{\varvec{\Delta}}}_{{\varvec{C}}}\) and the geometric positions of acceptor protons in a ππ complex. The green arrows refer to the shielding caused by the ring current effect of the complexed donor. The protons closer to the donor ring center sense greater ring current effect (thicker green arrows) and exhibit larger \({{\varvec{\Delta}}}_{{\varvec{C}}}\)

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