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. 2009 Mar 6;65(Pt 4):o709.
doi: 10.1107/S1600536809007259.

Choline dihydrogen phosphate

Kyoko Fujita, Douglas R Macfarlane, Keiichi Noguchi, Hiroyuki Ohno

Choline dihydrogen phosphate

Kyoko Fujita et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the cystal structure of the title compound, (2-hy-droxy-ethyl)trimethylammonium dihydrogen phosphate, C(5)H(14)NO(+)·H(2)PO(4) (-), two anions create dimeric structures via two O-H⋯O hydrogen bonds. The hydrogen-bonded dimers are connected by another O-H⋯O hydrogen bond with the hydroxyl groups of the cations, constructing a columner structure along the a axis. A number of C-H⋯O interactions are also present.

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Figures

Fig. 1.
Fig. 1.
Displacement ellipsoid plot and atomic numbering scheme of (I). Ellipsoids are drawn at the 50% probability level and H atoms are shown as small spheres of arbitary radii.
Fig. 2.
Fig. 2.
The molecular packing of (I) viewed along b axis. Dashed lines indicate intermolecular O—H···O hydrogen bonds. For clarity, only H atoms involved in O—H···O hydrogen bonding have been included. [Symmetry codes: (i) -x + 2, -y + 1, -z; (ii) -x + 1, -y + 1, -z.]
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