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Lanthanide Complexes with Carbacylamidophosphates : The First Registration of Chelate Coordination of the Neutral Ligand Form in the Structure of Di-(N,N'-tetramethyl-N''-benzoylphosphoryltriamide) cerium(III) Nitrate

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2000

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Gubina, Katerina
Ovchynnikov, Vladimir
Amirkhanov, Vladimir
Stumpf, Rüdiger
Skopenko, Viktor

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Zeitschrift für Naturforschung B. 2000, 55, pp. 576-582. ISSN 0932-0776. eISSN 1865-7117

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The coordination compounds of the general formula Ln(HL)2(NO3)3, (where Ln = La - Eu (without Pm), HL = C6H5C(O)NHP(O)[N(CH3)2]2, N,N'-tetramethyl-N''-benzoylphosphoryltriamide) have been synthesized and characterized by means of IR, UV-VIS, 1H, 31P NMR spectroscopy, and X-ray analysis. The complexes are isostructural according to X-ray powder diffraction studies. The crystal structure of the cerium(III) complex has been determined. Crystal data: monoclinic, P21/c, with a = 10.503(9), b = 15.62(2), c = 21.91(2) A° , = 99.56(8) , Z = 4, V = 3546(6) °A3, R1 = 0.0550, wR2 = 0.1383 for 6970 unique reflections used. The complex has a molecular structure. Neutral phosphoryltriamide ligands are coordinated to the metal ion in a bidentate manner via phosphoryl and carbonyl oxygen atoms with formation of six membered chelate rings. The coordination polyhedron of the Ce atom is a sphenocorona; C.N. = 10 (4 O[HL] + 6 O[NO3 ⁻]).

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ISO 690GUBINA, Katerina, Vladimir OVCHYNNIKOV, Vladimir AMIRKHANOV, Helmut FISCHER, Rüdiger STUMPF, Viktor SKOPENKO, 2000. Lanthanide Complexes with Carbacylamidophosphates : The First Registration of Chelate Coordination of the Neutral Ligand Form in the Structure of Di-(N,N'-tetramethyl-N''-benzoylphosphoryltriamide) cerium(III) Nitrate. In: Zeitschrift für Naturforschung B. 2000, 55, pp. 576-582. ISSN 0932-0776. eISSN 1865-7117
BibTex
@article{Gubina2000Lanth-22969,
  year={2000},
  title={Lanthanide Complexes with Carbacylamidophosphates : The First Registration of Chelate Coordination of the Neutral Ligand Form in the Structure of Di-(N,N'-tetramethyl-N''-benzoylphosphoryltriamide) cerium(III) Nitrate},
  volume={55},
  issn={0932-0776},
  journal={Zeitschrift für Naturforschung B},
  pages={576--582},
  author={Gubina, Katerina and Ovchynnikov, Vladimir and Amirkhanov, Vladimir and Fischer, Helmut and Stumpf, Rüdiger and Skopenko, Viktor}
}
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