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 1
The molecular structures of compounds (I)

, (II)

and (III)

determined at 93, 290 and 93 K, respectively, with the atom labelling. Displacement ellipsoids are drawn at the 50% probability level. O—H⋯N hydrogen bonds are indicated by dashed lines [symmetry code for (I)

: (ii) −x, −y + 2, −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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