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Figure 1
The asymmetric units of the three polymorphs of the title compound, showing the atom-numbering scheme selected to conform to polymorph (I). Displacement ellipsoids are drawn at the 50% probability level and H atoms are shown as small spheres of arbitrary radii. The position of the water mol­ecule has been selected in order to show the shortest hydrogen-bonding inter­action between the water molecule and atom O2. The O1⋯O2 distances are displayed. The structure of polymorph (I) was determined at 293 K (Skoweranda et al., 1990BB6), whereas the data of polymorphs (II)[link] and (III)[link] were collected at 100 K.

Journal logoSTRUCTURAL
CHEMISTRY
ISSN: 2053-2296
Volume 67| Part 1| December 2011| Pages o6-o9
doi:10.1107/S0108270110046317
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