Abstract
In the title molecule, C17H23N2O2P, the P atom has a distorted tetrahedral environment. The P—N bond to the tolylamido fragment is 1.642 (4) Å while that to the butylamido fragment is 1.629 (3) Å. The dihedral angle between the two benzene rings is 82.3 (2)°. In the crystal, adjacent molecules are linked via weak N—H⋯(O)P and N—H⋯N hydrogen-bonding interactions into an extended chain parallel to the b axis. The three methyl groups of the tert-butylamido substituent are disordered over two sets of sites with equal occupancies. The crystal studied was found to be a non-merohedral twin with the minor twin component = 23.1 (1)%.
Highlights
In the title molecule, C17H23N2O2P, the P atom has a distorted tetrahedral environment
Following our previous work on the synthesis of mixed-amido phosphinates containing a P(O)(O)(NH)(NH) skeleton (Pourayoubi et al, 2011a), we report here on the synthesis and crystal structure of the title compound, P(O)[OC6H5]
R-factors based on F2 are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger
Summary
Key indicators: single-crystal X-ray study; T = 100 K; mean (C–C) = 0.007 Å; disorder in main residue; R factor = 0.089; wR factor = 0.203; data-to-parameter ratio = 16.4. C17H23N2O2P, the P atom has a distorted tetrahedral environment. The P—N bond to the tolylamido fragment is 1.642 (4) Å while that to the butylamido fragment is 1.629 (3) Å. Adjacent molecules are linked via weak N—H (O)P and N—H N hydrogen-bonding interactions into an extended chain parallel to the b axis. The three methyl groups of the tert-butylamido substituent are disordered over two sets of sites with equal occupancies. The crystal studied was found to be a non-merohedral twin with the minor twin component = 23.1 (1)%
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