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Acta Cryst. (2008). E64, o414-o415 [ doi:10.1107/S160053680800010X ]
Abstract: The molecular structure of the title compound, 2-CH3O-C6H3-1,3-[B(OH)2]2 or C7H10B2O5, features two intramolecular O-H
O hydrogen bonds of different strengths. One of the boronic acid groups is almost coplanar with the aromatic ring, whereas the second is significantly twisted. Molecules are linked by intermolecular O-HO hydrogen bonds, generating infinite chains cross-linked to form a two-dimensional sheet structure aligned parallel to the (01
) plane.
Online 9 January 2008
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