Acta Crystallographica Section C

Crystal Structure Communications

Volume 68, Part 1 (January 2012)


organic compounds



yf3010 scheme

Acta Cryst. (2012). C68, o33-o36    [ doi:10.1107/S0108270111054692 ]

Two succinic acid derivatives of 2-ethyl-6-methyl­pyridin-3-ol

A. S. Lyakhov, L. S. Ivashkevich, V. L. Survilo and T. V. Trukhachova

Abstract: Crystals of bis(2-ethyl-3-hy­droxy-6-methyl­pyridinium) succin­ate-succin­ic acid (1/1), C8H12NO+·0.5C4H4O42-·0.5C4H6O4, (I), and 2-ethyl-3-hy­droxy-6-methyl­pyridinium hydrogen suc­cinate, C8H12NO+·C4H5O4-, (II), were obtained by reaction of 2-ethyl-6-methyl­pyridin-3-ol with succinic acid. The succinate anion and succinic acid mol­ecule in (I) are located about centres of inversion. Inter­molecular O-H...O, N-H...O and C-H...O hydrogen bonds are responsible for the formation of a three-dimensional network in the crystal structure of (I) and a two-dimensional network in the crystal structure of (II). Both structures are additionally stabilized by [pi]-[pi] inter­actions between symmetry-related pyridine rings, forming a rod-like cationic arrangement for (I) and cationic dimers for (II).

Formula: C8H12NO+·0.5C4H4O42-·0.5C4H6O4 and C8H12NO+·C4H5O4-


hkldisplay filedownload file

Structure factor file (CIF format) (133.4 kbytes)
[ doi:10.1107/S0108270111054692/yf3010Isup2.hkl ]
Contains datablock I


hkldisplay filedownload file

Structure factor file (CIF format) (134.2 kbytes)
[ doi:10.1107/S0108270111054692/yf3010IIsup3.hkl ]
Contains datablock II


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