Porous Metal‐organic Framework based on Strip‐shaped Manganese(II) Chains: Synthesis, Structure, and Magnetic Properties

The MnII‐based porous metal‐organic framework, [Mn3(btca)2(HCOO)(μ3‐OH)(H2O)2]·2DMF (1) (H2btca = benzotriazole‐5‐carboxylate acid), was prepared by the solvothermal reaction of Mn(CH3COO)2·4H2O and H2btca, which was characterized by infrared spectroscopy, thermogravimetric analyses, and X‐ray crystallographic study. 1 exhibits 3D framework with 1D rectangle channels constructed by the strip‐shaped chains containing [Mn5(μ3‐OH)2(btca)4]– pentaclusters subunits. Furthermore, the magnetic measures show that 1 exhibits weak ferromagnetic behavior at low temperature.