Synthesis and magnetic property of porous naphthalenetetracarboxylate manganese complex, the first (μ2-aqua)bis(μ2-carboxylate)-bridged manganese polymer

A manganese coordination polymer [Mn2(NTC)(H2O)2]n, where NTC is 1, 4, 5, 8-naphthalenetetracarboxylate anion, has been synthesized by slow diffusion of manganese chloride and H4 NTC. Mn(II) ions are bridged by one coordinated water and two carboxylate groups in syn-syn mode to form infinite chains, which are further cross-linked by the naphthalene spacers of the NTC to produce 3-D extended network with open-channels. An antiferromagnetic coupling interaction between adjacent manganese ions dominates the magnetic property of the compound.