Journal of Synthetic Crystals, Volume. 54, Issue 6, 1021(2025)

Synthesis, Crystal Structure and Magnetic of Di-Nuclear VIV Complex

Yuxi JIN, Haili YU, Yuqing WANG, Longchen XIE, Hongrui TIAN, and Baokuan CHEN*
Figures & Tables(7)
Structure schematic diagram. (a) Structure of complex 1; (b) accumulation diagram of complex 1 along the b axis (hydrogen atoms have been omitted for clarity)
Characterizations of complex. (a) PXRD patterns of complex 1; (b) FT-IR spectra of complex 1, H2L, and Me-Im; (c) TGA curve of complex 1
XPS of V ions in complex 1
Magnetism measurements of complex. (a) Temperature dependence of χmT for complex 1; (b) temperature dependence of χm-1 for complex 1
  • Table 1. Crystal structure data of complex 1

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    Table 1. Crystal structure data of complex 1

    ComplexC21H25N10O7V2
    Formula weight631.39
    T/K273.15
    Crystal systemMonoclinic
    Crystal size/mm0.240×0.220 ×0.200
    Space-groupP21/c
    a11.065 8(3)
    b9.920 0(2)
    c24.775 5(6)
    α/(°)90
    β/(°)100.248(1)
    γ/(°)90
    V/nm32 676.29(11)
    Z4
    Dc/(g·cm-31.567
    F (000)1 290.0
    θ range/(°)2.647≤θ≤25.030
    Range of h, k, l±13, ±11, ±29
    Collected reflections87 949
    Unique reflections4 694
    Data/restraints/parameters4 694/0/365
    Absorption correction /mm-10.759
    Rint0.0614
    RI>2σ(I)R1=0.032 9, wR2=0.038 6
    R[all data]R1=0.038 5, wR2=0.088 8
    Goodness of fit1.023
    Largest diff. peak and hole/(e·nm-30.21 and -0.25
    CCDC2 416 352
  • Table 2. Data of main bond lengths and bond angles of complex 1

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    Table 2. Data of main bond lengths and bond angles of complex 1

    BondLength/ÅBondAngle/(°)BondAngle/(°)
    V1—O12.131 4(14)O6—V1—O1175.61(7)O4—V2—N475.85(6)
    V1—O61.592 0(15)O6—V1—N198.21(8)O4—V2—N280.40(6)
    V1—N12.095 0(17)O6—V1—N6100.39(7)N4—V2—N2155.85(7)
    V1—N62.093 9(16)O6—V1—N1093.27(8)O5—V2—O4122.65(8)
    V1—N92.122 9(18)O6—V1—N996.90(8)O5—V2—N498.26(7)
    V1—N102.118 5(18)N1—V1—O185.08(6)O5—V2—O3109.97(10)
    V2—O31.616 0(16)N1—V1—N1089.88(7)O5—V2—N298.18(8)
    V2—O42.012 9(14)N1—V1—N990.29(7)O3—V2—O4127.37(8)
    V2—O51.610 5(16)N6—V1—O176.27(6)O3—V2—N497.04(7)
    V2—N22.100 0(18)N6—V1—N1161.33(7)O3—V2—N293.82(8)
    V2—N42.089 1(16)N6—V1—N1087.41(7)N6—V1—N989.14(7)
    N10—V1—O183.80(6)N10—V1—N9169.70(7)
    N9—V1—O185.95(6)
  • Table 3. BVS results for the V ions in complex 1

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    Table 3. BVS results for the V ions in complex 1

    Metal siteBVS calculationAssigned O.S.
    V13.994.0
    V24.414.0
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Yuxi JIN, Haili YU, Yuqing WANG, Longchen XIE, Hongrui TIAN, Baokuan CHEN. Synthesis, Crystal Structure and Magnetic of Di-Nuclear VIV Complex[J]. Journal of Synthetic Crystals, 2025, 54(6): 1021

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Paper Information

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Received: Jan. 17, 2025

Accepted: --

Published Online: Jul. 8, 2025

The Author Email: Baokuan CHEN (chenbaokuan@lnpu.edu.cn)

DOI:10.16553/j.cnki.issn1000-985x.2025.0015

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