Synthesis, Crystal Structure and Magnetic Property of a New One-dimensional Complex [Mn(μ_(1,5)-dca)

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The title complex [Mn(μ_(1,5)-dca)_2(POM)_2] (C_(16)H_(12)MnN_(10)O_6, M_r = 495.30) has been prepared and structurally characterized. It crystallizes in triclinic, space group Pi with a = 7.4685(9), b = 7.5406(9), c = 9.8646(12) (A), α = 83.202(2), β = 69.1200(10), γ = 79.4130(10)°, V= 509.38(11) (A)3, Z= 1, D_c= 1.602 g/cm~3, F(000) = 249, μ(MoKa) = 0.704 mm~(-1), the final R = 0.0701 and wR = 0.2071 for 1615 observed reflections with I > 2σ(I). Each Mn(II) exhibits a slightly distorted octahedral environment and connects with each other to form a one-dimensional complex by double bridging μ_(1,5)-N≡C-N-G≡N ligands. The magnetic susceptibility of the title complex has been measured, and it displays weak antiferromagnetic interactions.
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