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. 2009 Jan 10;65(Pt 2):o280.
doi: 10.1107/S1600536809000397.

β-d-Altrose

Yuji Watanabe, Hiromi Yoshida, Kosei Takeda, Tomohiko Ishi, Shigehiro Kamitori

β-d-Altrose

Yuji Watanabe et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

The mol-ecule of the title compound, C(6)H(12)O(6), [systematic name: (2R,3S,4R,5R,6R)-6-(hydroxy-meth-yl)oxane-2,3,4,5-tetrol] adopts a (4)C(1) chair conformation with the anomeric hydroxyl group in the equatorial position. All hydroxyl groups act as donors and acceptors in hydrogen bonding and the mol-ecule is involved in ten inter-molecular O-H⋯O inter-actions [O⋯O = 2.672 (5)-2.776 (4) Å] with eight neighbouring mol-ecules. Two independent O-H⋯O-H⋯ helices extending along the z axis are found in this structure.

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Figures

Fig. 1.
Fig. 1.
A view of the molecule of β-D-altrose, showing the atom-labelling scheme. Displacement ellipsoids are drawn at the 50% probability level.
Fig. 2.
Fig. 2.
Crystal packing of β-D-altrose, with two helices along the z axis shown as dashed lines.
See this image and copyright information in PMC

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