Co5(im)10⋅2 MB∞: A Metal-Organic Open-Framework with Zeolite-Like Topology This work was funded by the State Key Project of Fundamental Research (No. G200077500) and the Natural Science Foundation of China. We thank Prof. Dr. Ren-Gen Xiong for production of figures. im=imidazole; MB=3-methyl-1-butanol.