Acta Cryst. (2006). E62, o249-o250  [ doi:10.1107/S1600536805041371 ]

3-(2-Chlorophenoxy)-1,5-dihydroxy-2,4,3-benzodioxaphosphepine 3-oxide

J. R. Krishna, M. Krishnaiah, M. F. Stephen Babu, C. Suresh Reddy and V. G. Puranik

Abstract: In the title compound, C₁₄H₁₂ClO₄P, the seven-membered phosphepine ring exhibits a twist-chair conformation, with the phosphoryl O atom occupying an axial and the chlorophenoxy group an equatorial position. The P=O distance is 1.449 (2) Å and the average length of the three P-O bonds is 1.574 (2) Å.

Online 14 December 2005

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