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Six new dinuclear Schiff base complexes of Cu(II)/Ln(III) system: Synthesis, characterization and magnetic studies.

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Title: Six new dinuclear Schiff base complexes of Cu(II)/Ln(III) system: Synthesis, characterization and magnetic studies.
Authors: Fatima, Tehseen1 (AUTHOR), Imtiaz-ud-Din1 (AUTHOR) drimtiazuddin@yahoo.com, Akbar, Ali2 (AUTHOR), Anwar, Muhammad Sabieh2 (AUTHOR), Tahir, Muhammad Nawaz3 (AUTHOR)
Source: Journal of Molecular Structure. May2019, Vol. 1184, p462-467. 6p.
Subjects: Rare earth metals, Terbium, Schiff bases
Abstract: Abstract A series of dinuclear complexes having general formula, [M 1 (NO 3)(valpn)M 2 (NO 3) 2 (H 2 O) 2 ]·H 2 O where M 1 = Cu(1 – 6) and M 2 = La(1), Nd(2), Sm(3), Gd(4), Tb(5) and Er(6), have been synthesized from the bifunctional ligand (H 2 valpn = 2,2'-{propane-1,3-diylbis[nitrilo(E)methylylidene]}bis(6-methoxyphenol)). The X-ray structure for (2), bis(μ 2 -2,2'-(Propane-1,3-diylbis(nitrilomethylylidene))bis(6-methoxyphenolato)-(nitrate)-bis(nitrato)-diaqua-copper(II)-neodymium(III)hydrate, completely described the coordination behavior around each metal center along with the geometric shape of the compound. The magnetization of the synthesized bimetallic complexes were assessed by vibrating sample magnetometry, particularly, the temperature dependence magnetic susceptibility for CuIILaIII (1), CuIINdIII (2), CuIISmIII (3), CuIIGdIII (4), CuIITbIII (5) and CuIIErIII (6) systems were evaluated and the interaction strength between the Cu and the respective lanthanide ion, present in these complexes, were estimated. Graphical abstract Image 1 Highlights • Synthesis of bimetallics belonging to d-f metals derived from Schiff base ligand. • Characterized by electroanalytical and X-ray diffraction techniques. • X-ray structure described the coordination behavior around each metal center. • Magnetization of the bimetallic complexes was measured by VSM. • Magnet interaction strength between copper and lanthanides in complexes was studied. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Molecular Structure is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Group: Ti
  Data: Six new dinuclear Schiff base complexes of Cu(II)/Ln(III) system: Synthesis, characterization and magnetic studies.
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  Data: <searchLink fieldCode="AR" term="%22Fatima%2C+Tehseen%22">Fatima, Tehseen</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Imtiaz-ud-Din%22">Imtiaz-ud-Din</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> drimtiazuddin@yahoo.com</i><br /><searchLink fieldCode="AR" term="%22Akbar%2C+Ali%22">Akbar, Ali</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Anwar%2C+Muhammad+Sabieh%22">Anwar, Muhammad Sabieh</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Tahir%2C+Muhammad+Nawaz%22">Tahir, Muhammad Nawaz</searchLink><relatesTo>3</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Molecular+Structure%22">Journal of Molecular Structure</searchLink>. May2019, Vol. 1184, p462-467. 6p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Rare+earth+metals%22">Rare earth metals</searchLink><br /><searchLink fieldCode="DE" term="%22Terbium%22">Terbium</searchLink><br /><searchLink fieldCode="DE" term="%22Schiff+bases%22">Schiff bases</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Abstract A series of dinuclear complexes having general formula, [M 1 (NO 3)(valpn)M 2 (NO 3) 2 (H 2 O) 2 ]·H 2 O where M 1 = Cu(1 – 6) and M 2 = La(1), Nd(2), Sm(3), Gd(4), Tb(5) and Er(6), have been synthesized from the bifunctional ligand (H 2 valpn = 2,2'-{propane-1,3-diylbis[nitrilo(E)methylylidene]}bis(6-methoxyphenol)). The X-ray structure for (2), bis(μ 2 -2,2'-(Propane-1,3-diylbis(nitrilomethylylidene))bis(6-methoxyphenolato)-(nitrate)-bis(nitrato)-diaqua-copper(II)-neodymium(III)hydrate, completely described the coordination behavior around each metal center along with the geometric shape of the compound. The magnetization of the synthesized bimetallic complexes were assessed by vibrating sample magnetometry, particularly, the temperature dependence magnetic susceptibility for CuIILaIII (1), CuIINdIII (2), CuIISmIII (3), CuIIGdIII (4), CuIITbIII (5) and CuIIErIII (6) systems were evaluated and the interaction strength between the Cu and the respective lanthanide ion, present in these complexes, were estimated. Graphical abstract Image 1 Highlights • Synthesis of bimetallics belonging to d-f metals derived from Schiff base ligand. • Characterized by electroanalytical and X-ray diffraction techniques. • X-ray structure described the coordination behavior around each metal center. • Magnetization of the bimetallic complexes was measured by VSM. • Magnet interaction strength between copper and lanthanides in complexes was studied. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Molecular Structure is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.molstruc.2019.02.037
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        Text: English
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        PageCount: 6
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        Type: general
      – SubjectFull: Terbium
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      – SubjectFull: Schiff bases
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      – TitleFull: Six new dinuclear Schiff base complexes of Cu(II)/Ln(III) system: Synthesis, characterization and magnetic studies.
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            NameFull: Fatima, Tehseen
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            NameFull: Anwar, Muhammad Sabieh
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            NameFull: Tahir, Muhammad Nawaz
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              Text: May2019
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