Hydrothermal Synthesis and Crystal Structure of [Mn（phen）-（m-phth）]n （phen=1 ,10-phenanthroline, m-phth=isophthalate）

Introduction Recently, many novel polymers with a variety of metal ions have been prepared and structurally characterized owing to the versatility of carboxylate ligands.1-5 Much attention has been devoted to this field partly because polymers of carboxylate ligands are good candidates for the investigation of exchange-coupling interactions between adjacent metal ions. A successful strategy to synthesize these complexes is the reaction of metal salts with properly selected multi-dentate carbox…

Hydrothermal Synthesis and Crystal Structure of [Mn(phen)-(m-phth)]n (phen=1,10-phenanthroline, m-phth=isophthalate)

Hydrothermal reaction of 1,2,4-benzenetricarboxylic acid, and MnCl24H2O with 1,10-phenanthroline gave the title complex, Mn(phen)(m-phth)]n, which crystallizes in the monoclinic system, space group P2/c with a=0.83582(3) nm, b=1.04246(4) nm, c=1.87777(7) nm, =100.314(2), V=1.60968(10) nm3, Z=4, and the final R=0.0576, wR=0.1294. In the complex, each Mn(II) ion is coordinated to four O atoms of carboxylate groups and two N atoms of phen. Isophthalate was generated in situ through the loss of one carboxylate group of 1,2,4-benzenetricarboxylic acid under the hydrothermal condition. Each isophthalate is bound to three manganese atoms through O atoms of carboxylate in bridging and chelating fashion, affording manganese(II) pairs that are linked by the isophthalate group to yield a zig-zag chain along the c-axis.