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Synthesis and characterization of a mixed-valent Mn11–La2 aggregate with benzoate

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Abstract

A new mixed-valent Mn–Ln complex with an Mn III9 Mn II2 La2 core \( [{\text{Mn}}_{9}^{\text{III}} {\text{Mn}}_{2}^{\text{II}} {\text{La}}_{ 2} (\mu_{ 4} {-}{\text{O}})_{7} (\mu_{ 3} {-}{\text{O}})(\mu_{ 3} {-}{\text{OH}})_{ 2} ({\text{benzoate}})_{ 1 8} ({\text{NO}}_{3} )({\text{MeCN}})] \) has been synthesized. Its magnetic characterization reveals a complex with dominating slow relaxation. In addition, alternating current (ac) susceptibility measurements reveal a frequency-dependent out-of-phase (χ′′M) signal below 4 K, suggesting the complex to be a single-molecule magnet.

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Authors and Affiliations

  1. Institut für Anorganische Chemie, Karlsruhe Institute of Technology, Engesserstrasse 15, 76131, Karlsruhe, Germany

    Muhammad Nadeem Akhtar, Yanhua Lan, Valeriu Mereacre, Christopher E. Anson & Annie K. Powell

  2. School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, 510275, People’s Republic of China

    Muhammad Nadeem Akhtar

  3. Department of Chemistry, Faculty of Science, the University of Jordan, Amman, 11942, Jordan

    Murad A. AlDamen

  4. Institut für Nanotechnologie, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany

    Annie K. Powell

Authors
  1. Muhammad Nadeem Akhtar
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  2. Yanhua Lan
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  3. Valeriu Mereacre
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  4. Murad A. AlDamen
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  5. Christopher E. Anson
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  6. Annie K. Powell
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Corresponding authors

Correspondence to Muhammad Nadeem Akhtar or Annie K. Powell.

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Akhtar, M.N., Lan, Y., Mereacre, V. et al. Synthesis and characterization of a mixed-valent Mn11–La2 aggregate with benzoate. Monatsh Chem 148, 887–891 (2017). https://doi.org/10.1007/s00706-016-1820-9

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  • DOI: https://doi.org/10.1007/s00706-016-1820-9

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