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 4
A partial packing diagram of compound (II)

, showing the tape structure formed by C—H⋯O interactions. H atoms not involved in C—H⋯O and O—H⋯N hydrogen bonds (dashed lines) have been omitted [symmetry codes: (i) −x − 2, −y, −z + 1; (ii) −x + 1, −y + 1, −z + 1].

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

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

https://doi.org/10.1107/S2056989015019349

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