Crystal Structure of a Mn(Ⅱ) Coordination Polymer:[Mn(TP)(TBZH)_(2n)(TBZH=Thiabendazole,TP=Terephthalic Acid)

The structure of a manganese(Ⅱ) polymer,[Mn(TP)(TBZH)]2n 1(TBZH=thiabendazole,TP=terephthalic acid),has been determined by X-ray crystallography and characterized by elemental analysis,IR spectrum and thermogravimetric analysis.It crystallizes in the orthorhombic system,space group Pbcn with a=12.7813(12),b=10.7544(10),c=20.1270(19) ,V=2766.6(4)3,Z=8,C14H9Mn0.50N3O2S,Mr=310.77,Dc=1.492g/cm3,F(000)=1268,μ=0.674 mm-1 and S=1.064.The 1-D chain architecture of 1 is constructed from terephthalic acid and manganese atoms.Hydrogen bonds and aryl ring π-π stacking interactions in 1 contribute to form a 3-D supramo-lecular structure.     

Syntheses,Crystal Structures and Photoluminescence of Three Complexes Based on 3,5-(3-Carboxybenzyloxy)benzoic Acid

Three stable coordination polymers(CPs) assembled by 3,5-(carboxybenzyloxy)-benzoic acid(H3 L) and 1,10-phenanthroline(phen), namely, [Zn(HL)(phen)]n(1), [Cd(HL)(phen)]_n(2) and [Co(HL)(phen)]_n(3), have been synthesized under hydrothermal conditions. Their structures have been determined by single-crystal X-ray diffraction analyses and further characterized by elemental analyses, infrared(IR) spectroscopy and powder X-ray diffraction(PXRD). Investigation on crystal structure indicates that complexes 1 ～ 3 exhibit similar architecture. In these complexes, metal ions coordinate with H3 L and phen ligands, forming infinite 1 D chains. Then the adjacent chains combine together through intramolecular hydrogen-bonding interactions, generating 2 D supramolecular architectures. In addition, complexes 1～3 present excellent thermal stabilities and 1 and 2 exhibit strong luminescent emission bands at room temperature.