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. 2010 May 12;66(Pt 6):m640-1.
doi: 10.1107/S160053681001665X.

Tris{N-[bis-(dimethyl-amino)phosphino-yl]-2,2,2-trichloro-acetamido}(triphenyl-phosphine oxide)holmium(III)

Oleksiy V Amirkhanov  1 , Ivan O Marchenko, Olesia V Moroz, Tetyana Yu Sliva, Igor O Fritsky
Affiliations

Tris{N-[bis-(dimethyl-amino)phosphino-yl]-2,2,2-trichloro-acetamido}(triphenyl-phosphine oxide)holmium(III)

Oleksiy V Amirkhanov et al. Acta Crystallogr Sect E Struct Rep Online. .

Abstract

In the title compound, [Ho(C(6)H(12)Cl(3)N(3)O(2)P)(3)(C(18)H(15)OP)], the Ho(III) ion is surrounded by six O atoms from the three bidentate N-[bis-(dimethyl-amino)phosphino-yl]-2,2,2-trichloro-acetamido ligands (L(-)) and by one O atom from the triphenyl-phosphine oxide ligand, with the formation of a distorted monocapped octa-hedron. In one ligand L(-), the trichloro-methyl group is rotationally disordered between two orientations in a 1:1 ratio, while two dimethyl-amino groups in another ligand L(-) are disordered between two conformations, each with the same 1:1 ratio.

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Figures

Fig. 1.
Fig. 1.
Molecular structure of 1 with atom numbering scheme and 20% probability displacement ellipsoids. For each disordered atom, only one position (labelled with letter A) is shown. H atoms were omitted for clarity.
See this image and copyright information in PMC

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