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Spectroscopic Studies and X-ray Structural of Dinuclear Lanthanide (III) Complexes Derived from N'-(2-hydroxy-3-methoxybenzylidene) Nicotinohydrazide

Received: 2 April 2023    Accepted: 17 April 2023    Published: 27 April 2023
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Abstract

Two Schiff bases (H2L), derived from o-vanillin and nicotinic hydrazide, and its complexes with some lanthanides (Y, Ce, Yb, Pr, Gd and Tb) have been synthesized. These compounds have been characterized by means of elemental analysis, UV–Vis spectroscopy, FTIR spectroscopy, 1H and 13C NMR (for H2L), molar conductance and room temperature magnetic measurements. The compounds are found isostructural and are formulated as {[(Z)(η2-OOCH3)Ln](-L)2[Ln(η2-OOCH3)(Z)]} (Z = H2O for Ln = Y, Ce, Pr, Gd or Tb and Z = OS(CH3)2 for Ln =Yb). The two ligand molecules act in their dideprotonated forms through one azomethine nitrogen atom, one phenoxo oxygen atom and one iminolate oxygen atom. The two Ln (III) ions are bridged by two phenoxo oxygen atoms, forming a dinuclear complex. Single crystal X-ray analysis of the ytterbium complex has revealed the nature of the structure {[(OS(CH3)2)(η2-OOCH3)Yb](-L)2[Yb(η2-OOCH3)(OS(CH3)2)]} (3). The complex crystallizes in the monoclinic space group C2/c with cell parameters of a = 13.0391(6) Å, b = 15.1199(6) Å, c = 20.7239(7) Å, β = 105.671(2)°, V = 3933.8(3) Å3, Z = 4, R1 = 0.025, wR2 = 0.65. The ytterbium atoms are eight-coordinated, and their coordination polyhedron are best described as a square antiprismatic geometry. The aromatic rings of the ligand molecule are twisted with dihedral angle of 29.23 (1)° between their mean planes.

Published in Science Journal of Chemistry (Volume 11, Issue 2)
DOI 10.11648/j.sjc.20231102.13
Page(s) 56-63
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

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Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Hydrazide, Lanthanide, FTIR, NMR, Crystal, X-ray Diffraction

References
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    Fatou Barr, Papa Samba Camara, Amadou Guèye, Sofia Zazouli, Nathalie Gruber, et al. (2023). Spectroscopic Studies and X-ray Structural of Dinuclear Lanthanide (III) Complexes Derived from N'-(2-hydroxy-3-methoxybenzylidene) Nicotinohydrazide. Science Journal of Chemistry, 11(2), 56-63. https://doi.org/10.11648/j.sjc.20231102.13

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    Fatou Barr; Papa Samba Camara; Amadou Guèye; Sofia Zazouli; Nathalie Gruber, et al. Spectroscopic Studies and X-ray Structural of Dinuclear Lanthanide (III) Complexes Derived from N'-(2-hydroxy-3-methoxybenzylidene) Nicotinohydrazide. Sci. J. Chem. 2023, 11(2), 56-63. doi: 10.11648/j.sjc.20231102.13

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    Fatou Barr, Papa Samba Camara, Amadou Guèye, Sofia Zazouli, Nathalie Gruber, et al. Spectroscopic Studies and X-ray Structural of Dinuclear Lanthanide (III) Complexes Derived from N'-(2-hydroxy-3-methoxybenzylidene) Nicotinohydrazide. Sci J Chem. 2023;11(2):56-63. doi: 10.11648/j.sjc.20231102.13

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  • @article{10.11648/j.sjc.20231102.13,
      author = {Fatou Barr and Papa Samba Camara and Amadou Guèye and Sofia Zazouli and Nathalie Gruber and Farba Bouyagui Tamboura and Moussa Dieng and Mohamed Gaye},
      title = {Spectroscopic Studies and X-ray Structural of Dinuclear Lanthanide (III) Complexes Derived from N'-(2-hydroxy-3-methoxybenzylidene) Nicotinohydrazide},
      journal = {Science Journal of Chemistry},
      volume = {11},
      number = {2},
      pages = {56-63},
      doi = {10.11648/j.sjc.20231102.13},
      url = {https://doi.org/10.11648/j.sjc.20231102.13},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sjc.20231102.13},
      abstract = {Two Schiff bases (H2L), derived from o-vanillin and nicotinic hydrazide, and its complexes with some lanthanides (Y, Ce, Yb, Pr, Gd and Tb) have been synthesized. These compounds have been characterized by means of elemental analysis, UV–Vis spectroscopy, FTIR spectroscopy, 1H and 13C NMR (for H2L), molar conductance and room temperature magnetic measurements. The compounds are found isostructural and are formulated as {[(Z)(η2-OOCH3)Ln](-L)2[Ln(η2-OOCH3)(Z)]} (Z = H2O for Ln = Y, Ce, Pr, Gd or Tb and Z = OS(CH3)2 for Ln =Yb). The two ligand molecules act in their dideprotonated forms through one azomethine nitrogen atom, one phenoxo oxygen atom and one iminolate oxygen atom. The two Ln (III) ions are bridged by two phenoxo oxygen atoms, forming a dinuclear complex. Single crystal X-ray analysis of the ytterbium complex has revealed the nature of the structure {[(OS(CH3)2)(η2-OOCH3)Yb](-L)2[Yb(η2-OOCH3)(OS(CH3)2)]} (3). The complex crystallizes in the monoclinic space group C2/c with cell parameters of a = 13.0391(6) Å, b = 15.1199(6) Å, c = 20.7239(7) Å, β = 105.671(2)°, V = 3933.8(3) Å3, Z = 4, R1 = 0.025, wR2 = 0.65. The ytterbium atoms are eight-coordinated, and their coordination polyhedron are best described as a square antiprismatic geometry. The aromatic rings of the ligand molecule are twisted with dihedral angle of 29.23 (1)° between their mean planes.},
     year = {2023}
    }
    

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  • TY  - JOUR
    T1  - Spectroscopic Studies and X-ray Structural of Dinuclear Lanthanide (III) Complexes Derived from N'-(2-hydroxy-3-methoxybenzylidene) Nicotinohydrazide
    AU  - Fatou Barr
    AU  - Papa Samba Camara
    AU  - Amadou Guèye
    AU  - Sofia Zazouli
    AU  - Nathalie Gruber
    AU  - Farba Bouyagui Tamboura
    AU  - Moussa Dieng
    AU  - Mohamed Gaye
    Y1  - 2023/04/27
    PY  - 2023
    N1  - https://doi.org/10.11648/j.sjc.20231102.13
    DO  - 10.11648/j.sjc.20231102.13
    T2  - Science Journal of Chemistry
    JF  - Science Journal of Chemistry
    JO  - Science Journal of Chemistry
    SP  - 56
    EP  - 63
    PB  - Science Publishing Group
    SN  - 2330-099X
    UR  - https://doi.org/10.11648/j.sjc.20231102.13
    AB  - Two Schiff bases (H2L), derived from o-vanillin and nicotinic hydrazide, and its complexes with some lanthanides (Y, Ce, Yb, Pr, Gd and Tb) have been synthesized. These compounds have been characterized by means of elemental analysis, UV–Vis spectroscopy, FTIR spectroscopy, 1H and 13C NMR (for H2L), molar conductance and room temperature magnetic measurements. The compounds are found isostructural and are formulated as {[(Z)(η2-OOCH3)Ln](-L)2[Ln(η2-OOCH3)(Z)]} (Z = H2O for Ln = Y, Ce, Pr, Gd or Tb and Z = OS(CH3)2 for Ln =Yb). The two ligand molecules act in their dideprotonated forms through one azomethine nitrogen atom, one phenoxo oxygen atom and one iminolate oxygen atom. The two Ln (III) ions are bridged by two phenoxo oxygen atoms, forming a dinuclear complex. Single crystal X-ray analysis of the ytterbium complex has revealed the nature of the structure {[(OS(CH3)2)(η2-OOCH3)Yb](-L)2[Yb(η2-OOCH3)(OS(CH3)2)]} (3). The complex crystallizes in the monoclinic space group C2/c with cell parameters of a = 13.0391(6) Å, b = 15.1199(6) Å, c = 20.7239(7) Å, β = 105.671(2)°, V = 3933.8(3) Å3, Z = 4, R1 = 0.025, wR2 = 0.65. The ytterbium atoms are eight-coordinated, and their coordination polyhedron are best described as a square antiprismatic geometry. The aromatic rings of the ligand molecule are twisted with dihedral angle of 29.23 (1)° between their mean planes.
    VL  - 11
    IS  - 2
    ER  - 

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Author Information
  • Department of Chemistry, University Alioune Diop, Bambey, Senegal

  • Department of Chemistry, University Alioune Diop, Bambey, Senegal

  • Department of Chemistry, University Cheikh Anta Diop, Dakar, Senegal

  • Faculty of Sciences and Technologies, Sultan Moulay Slimane University, Beni-Mellal, Morocco

  • CNRS UMR 7140, University of Strasbourg, Strasbourg, France

  • Department of Chemistry, University Alioune Diop, Bambey, Senegal

  • Department of Chemistry, University Alioune Diop, Bambey, Senegal

  • Department of Chemistry, University Cheikh Anta Diop, Dakar, Senegal

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