| Synthesis,Crystal Structure and Magnetic Behavior of a New Manganese(Ⅱ) Coordination Polymer [Mn(DPPZ)(PZDC)(H_2O)] (DPPZ=Dipyrido[3,2-a:2',3'-c]-phenazine and H_2PZDC=Pyrazine-2,3-dicarboxylic Acid) |
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| 作者单位： | Department of Chemistry Jilin Normal University，Department of Chemistry Jilin Normal University，Department of Chemistry Jilin Normal University，Department of Chemistry Jilin Normal University，Department of Chemistry Jilin Normal University，Siping 136000 China Institute of Applied Chemistry Jilin Normal University Siping 136000 China College in Jilin Province Engineering Research Center of Medicine Intermediate Siping 136000 China，Siping 136000 China，Siping 136000 China Institute of Applied Chemistry Jilin Normal University Siping 136000 China College in Jilin Province Engineering Research Center of Medicine Intermediate Siping 136000 China，Siping 136000 China Institute of Applied Chemistry Jilin Normal University Siping 136000 China College in Jilin Province Engineering Research Center of Medicine Intermediate Siping 136000 China，Siping 136000 China Institute of Applied Chemistry Jilin Normal University Siping 136000 China College in Jilin Province Engineering Research Center of Medicine Intermediate Siping 136000 China |
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| 摘 要： | The title complex, Mn(DPPZ)(PZDC)(H2O)] 1 (DPPZ = dipyrido3,2 -a:2',3'- c]phenazine and H2PZDC = pyrazine-2,3-dicarboxylic acid), has been hydrothermally synthesized and structurally characterized by X-ray single-crystal diffraction, elemental analyses, IR, TG- DTA and magnetic susceptibility measurement. It crystallizes in triclinic, space group P1 with a = 6.6842(5), b = 7.5741(6), c = 20.5755(15) , α = 90.1160(10), β = 97.0560(10), γ = 97.3350(10)°, V = 1025.16(13) 3, Z = 2, MnC24H14N6O5, Mr = 521.35, Dc = 1.689 g/cm3, F(000) = 530, μ(MoKa) = 0.699 mm-1, R = 0.0366 and wR = 0.0810. Compound 1 contains one- dimensional chains which are further stacked through π-π interactions to form a 3D supra- molecular architecture. The water molecule O(1W) is involved in hydrogen bonding interactions with symmetric carboxylate oxygen atom O(4) at (x+1, y+1, z) and symmetric PZDC nitrogen atom N(6) at (1–x, 1–y, 1–z), which completes the structure of 1. Magnetic susceptibility measurement indicates that the compound behaves a weak antiferromagnetic exchange inter- action.
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