Lanthanide coordination compounds with monodentate coordinated β-diketone heteroanalogue - (2,2,2-trichloro-n-(dipiperidin-1-yl-phosphoryl)acetamide: synthesis and spectral investigations
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LITSIS, Elena; OVCHYNNIKOV, Vladimir; SLIVA, Tatiana; SHISHKINA, Svitlana; AMIRKHANOV, Vladimir. Lanthanide coordination compounds with monodentate coordinated β-diketone heteroanalogue - (2,2,2-trichloro-n-(dipiperidin-1-yl-phosphoryl)acetamide: synthesis and spectral investigations. In: Chemistry Journal of Moldova. 2018, nr. 1(13), pp. 15-23. ISSN 1857-1727.
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Chemistry Journal of Moldova
Numărul 1(13) / 2018 / ISSN 1857-1727 /ISSNe 2345-1688

Lanthanide coordination compounds with monodentate coordinated β-diketone heteroanalogue - (2,2,2-trichloro-n-(dipiperidin-1-yl-phosphoryl)acetamide: synthesis and spectral investigations


CZU: 548.736+546.661+543.426
DOI: 10.19261/cjm.2017.466
Pag. 15-23

Litsis Elena1, Ovchynnikov Vladimir12, Sliva Tatiana13, Shishkina Svitlana32, Amirkhanov Vladimir1
 
1 Taras Shevchenko National University of Kyiv,
2 Национальная академия наук Украины,
3 V.N.Karazin Kharkiv Natsonal University, Kharkiv
 
Disponibil în IBN: 6 iulie 2018


Rezumat

14 new mononuclear six-coordinate lanthanide coordination compounds of general formula [Ln(HL)3Cl3] (Ln = La-Nd, Sm-Lu; HL = (2,2,2-trichloro-N-(dipiperidin-1-yl-phosphoryl)acetamide CCl3C(O)N(H)P(O)[N(CH2)5]2, carbacylamidophosphate (CAPh) type ligand) have been synthesized from non-aqueous solutions. The complexes have been characterized by elemental analysis, FTIR, 1H- and 31P-NMR, and UV-Vis spectroscopy. The structure of [Sm(HL)3Cl3] (1) has been further confirmed by single crystal X-ray diffraction analysis. Crystal data: trigonal, R3, with a = 24.098 Å, c = 18.025 Å, V = 9065.0 Å3, Z = 6, R1 = 0.0327, and wR2 = 0.0404. The crystal structure was solved as two crystallographically independent fragments Sm(HL)Cl: A and B that exist in the crystalline lattice due to the differences in some geometrical parameters.

Cuvinte-cheie
lanthanide, carbacylamidophosphate, phosphoryl ligand, six-coordinate lanthanide complex, electronic spectrum.