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Triangulo-{ErIII 3} complex showing field supported slow magnetic relaxation.

ABSTRACT: The triangulo-{Er3} complex [Er3Cl(o-van)3(OH)2(H2O)5]Cl3·nH2O (n = 9.4; H(o-van) = o-vanillin) (1) was generated by an in situ method. The isolated Er(iii) complex 1 was characterized by elemental analysis and molecular spectroscopy. The results of single crystal X-ray diffraction studies have shown that 1 is built up of trinuclear [Er3Cl(o-van)3(OH)2(H2O)5]3+ complex cations, chloride anions and water solvate molecules. Within the complex cation the three Er(iii) central atoms are placed at the apexes of a triangle which are bridged by three (o-van)- ligands with additional chelating functions and two μ3-OH- ligands. Additionally five aqua and one chlorido ligands complete the octa-coordination of the three Er(iii) atoms. AC susceptibility measurements reveal that the compound exhibits slow magnetic relaxation with two relaxation modes.

SUBMITTER: Gebrezgiabher M 

PROVIDER: S-EPMC9350813 | biostudies-literature | 2022 Jul

REPOSITORIES: biostudies-literature

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<i>Triangulo</i>-{Er<sup>III</sup> <sub>3</sub>} complex showing field supported slow magnetic relaxation.

Gebrezgiabher Mamo M   Schlittenhardt Sören S   Rajnák Cyril C   Kuchár Juraj J   Sergawie Assefa A   Černák Juraj J   Ruben Mario M   Thomas Madhu M   Boča Roman R  

RSC advances 20220701 33

The <i>triangulo</i>-{Er<sub>3</sub>} complex [Er<sub>3</sub>Cl(<i>o-van</i>)<sub>3</sub>(OH)<sub>2</sub>(H<sub>2</sub>O)<sub>5</sub>]Cl<sub>3</sub>·<i>n</i>H<sub>2</sub>O (<i>n</i> = 9.4; H(<i>o-van</i>) = <i>o</i>-vanillin) (1) was generated by an <i>in situ</i> method. The isolated Er(iii) complex 1 was characterized by elemental analysis and molecular spectroscopy. The results of single crystal X-ray diffraction studies have shown that 1 is built up of trinuclear [Er<sub>3</sub>Cl(<i>o-van</  ...[more]

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