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Normalized radial distribution functions for (a) nitrogen-nitrogen and (b) nitrogen-chloride. Nitrogens within the same molecule were excluded. (a) The peak at 0.35 nm for crystalline PPyCl shows an increase in pi stacking versus amorphous PPyCl. (b) In both crystalline and amorphous PPyCl, dopant ions are consistently 0.32 nm from the nitrogen atom with which they interact.
