Received 14 November 2012
aDepartment of Chemistry, Zanjan Branch, Islamic Azad University, Zanjan, Iran,bDepartment of Chemistry, Ferdowsi University of Mashhad, Mashhad, Iran, and cDepartment of Chemistry, Faculty of Science, Masaryk University, Kotlarska 2, Brno CZ-61137, Czech Republic
Correspondence e-mail: firstname.lastname@example.org
The P atom in the title compound, C15H18NO3P, is in a distorted tetrahedral P(O)(O)2N environment; the bond angles at P are in the range 98.16 (6)-115.82 (6)°. In the crystal, adjacent molecules are linked via N-HO=P hydrogen bonds into a chain running parallel to the b axis. The methyl groups are disordered over two sets of sites in a 0.677 (14):0.323 (14) ratio. The crystal studied was a non-merohedral twin with a refined minor component of 22.31 (4)%.
Data collection: CrysAlis CCD (Oxford Diffraction, 2009); cell refinement: CrysAlis CCD; data reduction: CrysAlis RED (Oxford Diffraction, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: Mercury (Macrae et al., 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and enCIFer (Allen et al., 2004).
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: FF2090 ).
Support of this investigation by Zanjan Branch, Islamic Azad University, is gratefully acknowledged.
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