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Syntheses, Crystal Structures and Magnetic Studies of Two Mn(Ⅱ) Complexes Based on 2-Pyrimidineamidoxime

Syntheses, Crystal Structures and Magnetic Studies of Two Mn(Ⅱ) Complexes Based on 2-Pyrimidineamidoxime
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摘要 Two novel manganese(Ⅱ)complexes,[Mn(pmadH2)2(3-Sb)]n(1)and{[Mn(pmadH2)(Hssal)(H2O)]·2H2O}n(2)(pmadH2=2-pyrimidineamidoxime,3-Sb=3-sulfobenzoate dianion,H3ssal=5-sulfosalicylic acid),have been successfully obtained.The two complexes were characterized by single-crystal X-ray diffraction,powder X-ray diffraction,thermal gravimetric analysis,infrared spectra and elemental analysis.They are one-dimensional manganese polymer(1)and two-dimensional manganese complex(2),respectively.The values of χmT at 300 K of 1 and 2 are lower than the spin-only value for the non-interacting Mn(Ⅱ)ion(S=5/2). Two novel manganese(Ⅱ) complexes, [Mn(pmadH2)2(3-Sb)]n(1) and {[Mn(pmadH2)(Hssal)(H2O)]·2 H2O}n(2)(pmadH2= 2-pyrimidineamidoxime, 3-Sb = 3-sulfobenzoate dianion, H3ssal = 5-sulfosalicylic acid), have been successfully obtained. The two complexes were characterized by single-crystal X-ray diffraction, powder X-ray diffraction, thermal gravimetric analysis, infrared spectra and elemental analysis. They are one-dimensional manganese polymer(1) and two-dimensional manganese complex(2), respectively. The values of χmT at 300 K of 1 and 2 are lower than the spin-only value for the non-interacting Mn(Ⅱ) ion(S = 5/2).
作者 银秀菊 陆俊宇 朱龙观 YIN Xiu-Ju;LU Jun-Yu;ZHU Long-Guan
出处 《Chinese Journal of Structural Chemistry》 SCIE CAS CSCD 2019年第11期1970-1976,共7页 结构化学(英文)
基金 supported by Scientific Research Foundation for Advanced Talents of Hechi University(No.2019GCC008) the project of undergraduate teaching reform of higher education in Guangxi(No.2018JGA254) the Natural Science Foundation of Guangxi province(No.2018GXNSFAA138140)
关键词 MANGANESE COMPLEXES POLYMER MAGNETISM manganese complexes polymer magnetism
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