Ferromagnetic Dinuclear Nickel(II) Complex with a Schiff-base Having a Di-μ-phenolato-μ-methanol-bridged Core

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  • LIM Jongwan
    Division of Chemistry, Simin High School
  • SHIN Yunseok
    Division of Chemistry, Simin High School
  • RYU Sanghoon
    Center for Scientific Instrument, Andong National University
  • MITSUHASHI Ryoji
    Department of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University
  • OMOTE Masataka
    Department of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University
  • SAKIYAMA Hiroshi
    Department of Material and Biological Chemistry, Faculty of Science, Yamagata University
  • MIKURIYA Masahiro
    Department of Applied Chemistry for Environment, School of Science and Technology, Kwansei Gakuin University

Abstract

<p>The di-μ-phenolato-μ-methanol-bridged dinuclear nickel(II) complex with N,N′-disalicylidene-2,2′-(ethylenedioxy)bis(ethylamine) (H2dee), [Ni2(dee)2(μ-CH3OH)]·2CH3OH, was synthesized. The crystal structure was determined by the single-crystal X-ray diffraction method at 90 K. The complex crystallizes in the monoclinic space group Cc with a = 18.157(2), b = 13.1691(17), c = 18.880(3)Å, β = 110.483(2)°, V = 4229.0(10)Å3, Dcalcd = 1.449 g/cm3, Z = 4. The R1 [I > 2σ(I)] and wR2 (all data) values are 0.0532 and 0.1455, respectively, for all 7392 independent reflections. The temperature dependence of the magnetic susceptibility showed a ferromagnetic interaction between the two nickel(II) ions (g = 2.23, J = 6.50 cm−1, D = 8.96 cm−1, and Nα = 697 × 10−6 cm3 mol−1 or g = 2.21, J = 7.27 cm−1, D = –6.88 cm−1, and Nα = 765 × 10−6 cm3 mol−1).</p>

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