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Acta Cryst. (2007). E63, o1297-o1299 [ doi:10.1107/S1600536807006526 ]
Abstract: The title compound, also known as 7-iodotropolone, C7H5IO2, exists in the crystalline state as the 2-hydroxy-7-iodocyclohepta-2,4,6-trien-1-one tautomer and not as 2-hydroxy-3-iodocyclohepta-2,4,6-trien-1-one. There is a bifurcated O-H
O bond with two acceptor O atoms. One of these acceptors is involved in an intramolecular hydrogen bond, and the other in an intermolecular hydrogen bond. There is also a C-HO interaction in the structure. In addition, there is a C-O![[pi]](/logos/entities/pi_rmgif.gif)
-cycloheptatriene interaction.
Online 14 February 2007
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