Crystal structures of three co-crystals of 1,2-bis­(pyridin-4-yl)ethane with 4-alk­oxy­benzoic acids: 4-eth­oxy­benzoic acid–1,2-bis­(pyridin-4-yl)ethane (2/1), 4-n-propoxybenzoic acid–1,2-bis(pyridin-4-yl)ethane (2/1) and 4-n-but­oxy­benzoic acid–1,2-bis­(pyridin-4-yl)ethane (2/1)

Tabuchi, Y.; Gotoh, K.; Ishida, H.

doi:10.1107/S2056989015019349

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 3
A partial packing diagram of compound (I)

, showing the column structure formed by π–π stacking interactions (dashed lines). H atoms not involved in O—H⋯N hydrogen bonds (dashed lines) have been omitted [symmetry codes: (iii) x, y − 1, z; (iv) x, y + 1, z].

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 71| Part 11| November 2015| Pages 1340-1344

https://doi.org/10.1107/S2056989015019349

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