Abstract

The structure of the title compound, C 13 H 24 O 11 , has been determined. The torsion angles of the glycosidic linkage connecting the two sugar residues, φH (H1'-C1'-O2-C2) and ψH (C1'-O2-C2-H2), have values of -62.7 (2)° and -28.6 (2)°, respectively. The conformation in the crystal is similar to that obtained by energy minimization in vacuo using the HSEA (hardsphere exo-anomeric) force field. A chain of seven interresidue hydrogen bonds, involving all possible H-atom donors in the molecule is observed. The chain is terminated by a ring O atom as an acceptor.

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