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. 2017 Jun 27;73(Pt 7):1076-1081.
doi: 10.1107/S2056989017008970. eCollection 2017 Jul 1.

Tris(N-{bis-[meth-yl(phen-yl)amino]-phosphor-yl}benzene-sulfonamidato-κ2O, O')(1,10-phenanthroline-κ2N, N')lanthanum(III)

Angelina Yu Prytula-Kurkunova  1 , Victor A Trush  1 , Viktoriya V Dyakonenko  2 , Tetyana Yu Sliva  1 , Vladimir M Amirkhanov  1
Affiliations

Tris(N-{bis-[meth-yl(phen-yl)amino]-phosphor-yl}benzene-sulfonamidato-κ2O, O')(1,10-phenanthroline-κ2N, N')lanthanum(III)

Angelina Yu Prytula-Kurkunova et al. Acta Crystallogr E Crystallogr Commun. .

Abstract

The asymmetric unit of [La(C20H21N3O3PS)3(C12H8N2)] is created by one LaIII ion, three deprotonated N-{bis-[meth-yl(phen-yl)amino]-phosphor-yl}benzene-sulfonamidate (L-) ligands and one 1,10-phenanthroline (Phen) mol-ecule. Each LaIII ion is eight-coordinated (6O+2N) by three phosphoryl O atoms, three sulfonyl O atoms of three L- ligands and two N atoms of the chelating Phen ligand, leading to the formation of six- and five-membered metallacycles, respectively. The lanthanum coordination polyhedron has a bicapped trigonal-prismatic geometry. 'Sandwich-like' intra-molecular π-π stacking inter-actions are observed between the 1,10-phenanthroline ligand and two benzene rings of two different L- ligands. The phenyl rings of L- that are not involved in the stacking inter-actions show minor positional disorder. Mol-ecules form layers parallel to the (010) plane due to weak C-H⋯O inter-molecular hydrogen bonds. Unidentified highly disordered solvate mol-ecules that occupy ca 400 Å3 large voids have been omitted from the refinement model.

Keywords: crystal structure; eight-coordinated lanthanide complex; phospho­rylated sulfonyl­amide; sulfonyl­amido­phosphate; π–π stacking.

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Figures

Figure 1
Figure 1
Structural representation of LaL3Phen with partial atom-numbering scheme. Displacement ellipsoid are drawn at the 50% probability level and H atoms have been omitted for clarity.
Figure 2
Figure 2
The coordination polyhedron around the central LaIII atom in LaL3Phen with b parameters indicated.
Figure 3
Figure 3
The crystal packing of LaL3Phen. The view is along the crystallographic a axis.
See this image and copyright information in PMC

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