A novel 1D independent metal-organic nanotube based on cyclotriveratrylene ligand

A novel nanotubular metal-organic framework [Cu3L2(EtOH)(Py)(2)(H2O)(2)]center dot 9DEF center dot 8H(2)O (CTV-Cu) was prepared by assembly of the rigid, trigonal pyramidal ligand tri-(4-carboxy-phenyl)-trimethoxycyclobenzylene (H3L) and Cu(NO3)(2)center dot 3H(2)O via solvothermal reaction. The Cu(II) ions in the crystal serve as square and linear molecular building blocks, thus forming a framework with ternary topology. One single open-ended nanotube contains two identical orthogonally interpenetrated two-nodal nets. This framework exhibits permanent microporosity and relatively high surface area.