Abstract
In the title compound, [UO2 L 2(NO3)2] {L = N-{bis[methyl(phenyl)amino]phosphoryl}-2,2,2-trichloroacetamide, C16H17Cl3N3O2P}, the UVI ions are eight-coordinated by axial oxido ligands and six equatorial O atoms from the phosphoryl and nitrate groups in a distorted hexagonal–bipyramidal geometry. There are disordered fragments in the two coordinating L ligands: the trichloromethyl group is rotationally disordered between two orientations [occupancy ratio 0.567 (15):0.433 (15)] in one ligand, and a methyl(phenyl)amine fragment is disordered over two conformations [occupancy ratio 0.60 (4):0.40 (4)] in the other ligand. In the crystal structure, intramolecular N—H⋯O hydrogen bonds between the amine and nitrate groups are observed.
Highlights
In the title compound, [UO2L2(NO3)2] {L = N-{bis[methyl(phenyl)amino]phosphoryl}-2,2,2-trichloroacetamide, C16H17Cl3N3O2P}, the UVI ions are eight-coordinated by axial oxido ligands and six equatorial O atoms from the phosphoryl and nitrate groups in a distorted hexagonal–bipyramidal geometry
Ligands: the trichloromethyl group is rotationally disordered between two orientations [occupancy ratio 0.567 (15): 0.433 (15)] in one ligand, and a methyl(phenyl)amine fragment is disordered over two conformations [occupancy ratio 0.60 (4):0.40 (4)] in the other ligand
Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Å2)
Summary
Key indicators: single-crystal X-ray study; T = 293 K; mean (C–C) = 0.015 Å; disorder in main residue; R factor = 0.048; wR factor = 0.142; data-to-parameter ratio = 17.2. In the title compound, [UO2L2(NO3)2] {L = N-{bis[methyl(phenyl)amino]phosphoryl}-2,2,2-trichloroacetamide, C16H17Cl3N3O2P}, the UVI ions are eight-coordinated by axial oxido ligands and six equatorial O atoms from the phosphoryl and nitrate groups in a distorted hexagonal–bipyramidal geometry. There are disordered fragments in the two coordinating L ligands: the trichloromethyl group is rotationally disordered between two orientations [occupancy ratio 0.567 (15): 0.433 (15)] in one ligand, and a methyl(phenyl)amine fragment is disordered over two conformations [occupancy ratio 0.60 (4):0.40 (4)] in the other ligand. Intramolecular N—H O hydrogen bonds between the amine and nitrate groups are observed
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