Molecular structure and paramagnetic properties of bis-diisobutyldithiophosphinate complexes of Europium(III), Ytterbium(III) and Lutetium(III) with 2,2-bipyridyl using NMR

Sergey P. Babailov, Eugeny N. Zapolotsky, Eduard S. Fomin, Yanyang Qu

    Research output: Contribution to journalArticle

    4 Citations (Scopus)

    Abstract

    The features of the molecular structure of Ln containing complexes with the dithiophosphinate R2PS2- (R = i-Bu) and 2,2′-bipyridyl ligands [Ln(2,2′-bipyridyl)((i-Bu)2PS2)2(NO3)] {where Ln = Eu3+(I), Yb3+(II) and Lu3+(III)} in CDCl3 have been studied by 1H NMR techniques. These complexes are of interest due to the prospect of using some of them as fluorescent sensors for biology and medicine. The analysis of the structural parameters found by NMR testifies that the 2,2′-bipyridyl and (i-Bu)2PS2-anions are in the first coordination sphere of a Ln cation. The results obtained are consistent with the X-ray studies of the molecular structure of related complex with Tm3+ in the crystalline phase.

    Original languageEnglish
    Pages (from-to)316-318
    Number of pages3
    JournalPolyhedron
    Volume134
    DOIs
    Publication statusPublished - 25 Sep 2017

    Fingerprint

    Lutetium
    Ytterbium
    Europium
    2,2'-Dipyridyl
    lutetium
    ytterbium
    europium
    Molecular structure
    molecular structure
    Nuclear magnetic resonance
    nuclear magnetic resonance
    biology
    medicine
    Medicine
    Negative ions
    Positive ions
    Ligands
    Crystalline materials
    anions
    cations

    Keywords

    • Chelating ligands
    • Crystal-field independent method of LIS analysis
    • Fluorescent sensors
    • Lanthanide-induced shifts (LIS)
    • Non-aqueous solutions

    ASJC Scopus subject areas

    • Physical and Theoretical Chemistry
    • Inorganic Chemistry
    • Materials Chemistry

    Cite this

    Molecular structure and paramagnetic properties of bis-diisobutyldithiophosphinate complexes of Europium(III), Ytterbium(III) and Lutetium(III) with 2,2-bipyridyl using NMR. / Babailov, Sergey P.; Zapolotsky, Eugeny N.; Fomin, Eduard S.; Qu, Yanyang.

    In: Polyhedron, Vol. 134, 25.09.2017, p. 316-318.

    Research output: Contribution to journalArticle

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    abstract = "The features of the molecular structure of Ln containing complexes with the dithiophosphinate R2PS2- (R = i-Bu) and 2,2′-bipyridyl ligands [Ln(2,2′-bipyridyl)((i-Bu)2PS2)2(NO3)] {where Ln = Eu3+(I), Yb3+(II) and Lu3+(III)} in CDCl3 have been studied by 1H NMR techniques. These complexes are of interest due to the prospect of using some of them as fluorescent sensors for biology and medicine. The analysis of the structural parameters found by NMR testifies that the 2,2′-bipyridyl and (i-Bu)2PS2-anions are in the first coordination sphere of a Ln cation. The results obtained are consistent with the X-ray studies of the molecular structure of related complex with Tm3+ in the crystalline phase.",
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    AU - Babailov, Sergey P.

    AU - Zapolotsky, Eugeny N.

    AU - Fomin, Eduard S.

    AU - Qu, Yanyang

    PY - 2017/9/25

    Y1 - 2017/9/25

    N2 - The features of the molecular structure of Ln containing complexes with the dithiophosphinate R2PS2- (R = i-Bu) and 2,2′-bipyridyl ligands [Ln(2,2′-bipyridyl)((i-Bu)2PS2)2(NO3)] {where Ln = Eu3+(I), Yb3+(II) and Lu3+(III)} in CDCl3 have been studied by 1H NMR techniques. These complexes are of interest due to the prospect of using some of them as fluorescent sensors for biology and medicine. The analysis of the structural parameters found by NMR testifies that the 2,2′-bipyridyl and (i-Bu)2PS2-anions are in the first coordination sphere of a Ln cation. The results obtained are consistent with the X-ray studies of the molecular structure of related complex with Tm3+ in the crystalline phase.

    AB - The features of the molecular structure of Ln containing complexes with the dithiophosphinate R2PS2- (R = i-Bu) and 2,2′-bipyridyl ligands [Ln(2,2′-bipyridyl)((i-Bu)2PS2)2(NO3)] {where Ln = Eu3+(I), Yb3+(II) and Lu3+(III)} in CDCl3 have been studied by 1H NMR techniques. These complexes are of interest due to the prospect of using some of them as fluorescent sensors for biology and medicine. The analysis of the structural parameters found by NMR testifies that the 2,2′-bipyridyl and (i-Bu)2PS2-anions are in the first coordination sphere of a Ln cation. The results obtained are consistent with the X-ray studies of the molecular structure of related complex with Tm3+ in the crystalline phase.

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    KW - Crystal-field independent method of LIS analysis

    KW - Fluorescent sensors

    KW - Lanthanide-induced shifts (LIS)

    KW - Non-aqueous solutions

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