Abstract
The title compound, C18H26N2O5P2, was obtained accidently from the reaction between N,N-dimethylphosphoramidochloridic acid 4-methyl phenyl ester, NaNO2 and 18-crown-6 in acetonitrile under reflux conditions. The asymmetric unit contains one half-molecule, the complete molecule being generated by crystallographic twofold symmetry, with the bridging O atom lying on the rotation axis. The P atoms exhibit a tetrahedral coordination and are bridged via one O atom [P—O—P angle = 130.00 (19)°].
Highlights
The title compound, C18H26N2O5P2, was obtained accidently from the reaction between N,N-dimethylphosphoramidochloridic acid 4-methyl phenyl ester, NaNO2 and 18-crown-6 in acetonitrile under reflux conditions
The asymmetric unit contains one half-molecule, the complete molecule being generated by crystallographic twofold symmetry, with the bridging O atom lying on the rotation axis
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BG2328)
Summary
Absorption correction: multi-scan (SADABS; Bruker, 2005) Tmin = 0.930, Tmax = 0.978. V = 2007.8 (7) A 3 Z=4 Mo K radiation = 0.25 mmÀ1 T = 100 K 0.50 Â 0.25 Â 0.10 mm 6483 measured reflections 2415 independent reflections 1763 reflections with I > 2(I) Rint = 0.039. 126 parameters H-atom parameters constrained Ámax = 0.34 e A À3 Ámin = À0.37 e A À3. The title compound, C18H26N2O5P2, was obtained accidently from the reaction between N,N-dimethylphosphoramidochloridic acid 4-methyl phenyl ester, NaNO2 and 18-crown-6 in acetonitrile under reflux conditions. The asymmetric unit contains one half-molecule, the complete molecule being generated by crystallographic twofold symmetry, with the bridging O atom lying on the rotation axis. The P atoms exhibit a tetrahedral coordination and are bridged via one O atom [P—O—P angle = 130.00 (19)]
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