Single and Double Chainlike Manganese Coordination Polymers of Linear Ligands:Synthesis, Structure and Magnetism

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Two single and double chain manganese coordination polymers {[Mn(L1)(H2O)2]NO3}n (1) and [Mn(L2)2(H2O)]n (2) (HL1 = 2,2΄:6΄,2΄΄-terpyridine-4΄-carboxylic acid, HL2 = 4΄-(4-carboxyphenyl)-2,2΄:6΄,2΄΄-terpyridine) have been synthesized hydrothermally, and characterized by elemental analysis, IR spectroscopy, and X-ray single-crystal diffraction. Compound 1 crystallizes in monoclinic space group P2/c, while 2 crystallizes in triclinic, space group P . Crystal data for 1: C16H14MnN4O7, Mr = 429.25, a = 10.684(2), b = 9.338(1), c = 9.896(2) Å, β = 113.89(3)o, V = 902.7(3) Å3, Z = 2, T = 153(2) K, Dc = 1.579 g/cm3, µ = 0.780 mm−1, F(000) = 438, R = 0.1084, wR = 0.3507, and GOF = 1.069; For 2: C44H30MnN6O5, Mr = 777.68, a = 11.255(2), b = 11.554(2), c = 15.417(3) Å, α = 107.28(3), β = 101.07(3), γ = 107.23(3)o, V = 1740.2(6) Å3, Z = 2, T = 293(2) K, Dc = 1.484 g/cm3, µ = 0.440 mm−1, F(000) = 802, R = 0.0471, wR = 0.1050, and GOF = 0.948. In both compounds, the central Mn(II) ions adopt the same distorted pentagonal-bipyramid geometry [MnN3O4] with different secondary structure units. L1 ligand adopts the μ2-1κ3N,N΄,N΄΄:2κ2O,O΄ mode to coordinate with mononuclear manganese to build a single chainlike compound 1, while L2 employs μ3-1κ3N,N΄,N΄΄:2κ2O,O΄:3κ1O and 1κ1O modes to link dimeric Mn2O2 to exhibit a double chainlike 2. Both compounds display weak antiferromagnetic coupling interactions.

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	张漫波
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关键词 ： manganese compounds, terpyridine derivants, crystal structure, magnetic property

Abstract：

Key words： manganese compounds terpyridine derivants crystal structure magnetic property

收稿日期: 2018-04-13 出版日期: 2019-01-24

基金资助:

This project was supported by the Scientific Research Fund of Hunan Provincial Education Department (15C0818, 17C0948) and the Opening Fund of Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), Hunan Normal University (KLCBTCMR201808)

通讯作者: hurx@hunnu.edu.cn E-mail: hurx@hunnu.edu.cn

引用本文:

张漫波;张娜;胡瑞祥. Single and Double Chainlike Manganese Coordination Polymers of Linear Ligands:Synthesis, Structure and Magnetism[J]. 结构化学, 2019, 38(2): 301-307.
ZHANG Man-Bo;ZHANG Na;HU Rui-Xiang. Single and Double Chainlike Manganese Coordination Polymers of Linear Ligands:Synthesis, Structure and Magnetism. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2019, 38(2): 301-307.

链接本文:

http://manu30.magtech.com.cn/jghx/CN/ 或 http://manu30.magtech.com.cn/jghx/CN/Y2019/V38/I2/301

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