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Structure analysis, and magnetic study of a new Gd-metal-organic framework single crystal grown by the slow-evaporation method

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2022, 32(5), pp.199~204
  • DOI : 10.6111/JKCGCT.2022.32.5.199
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : September 27, 2022
  • Accepted : October 7, 2022
  • Published : October 31, 2022

Song, Jeong Hwa 1

1한라대학교

Accredited

ABSTRACT

A new three-dimensional Gd-MOF, [Gd(p-XBP₄)4(H₂O)]·W(CN)₈; (1; p-XBP4 = N,N'-p-phenylenedimethylenbis (pyridin-4-one)) has been synthesized by slow-evaporation and its crystal structure was characterized by single-crystal X-raydiffraction (SCXRD) analysis. For each GdIII ion, there are seven coordination sites, which are occupied by six oxygen atoms of six p-XBP4 ligands and one oxygen atom from the water molecule. The [W(CN)₈]³⁻ anion exists for charge balance with cationic framework. The GdII ions are interconnected by the p-XBP4 ligand to form the three-dimensional structure. Considering the magnetic property of lanthanide ions, magnetic studies of Gd-MOF were investigated by direct-current (DC) magnetic susceptibilities measurements.

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This paper was written with support from the National Research Foundation of Korea.