Two Interpenetrated and Polycatenated Zn(Ⅱ) Coordination Polymers: Syntheses,Structures and Luminescent Properties

Two fascinating Zn(II)entangled coordination polymers,[Zn(eoba)(bbi)]_n·nH_2O(1)and[Zn(boba)(bbi)_(1/2)]_n(2),(bbi=1,1?-(1,4-butanediyl)-bis(imidazole),H_2eoba=4,4?-(ethane-1,2-diyldioxy)-dibenzoic acid,H_2boba=4,4?-(butane-1,4-diyldioxy)-dibenzoic acid),were obtained by hydrothermal technology and characterized by elemental analysis,infrared spectrum,thermogravimetric analysis and single-crystal X-ray diffraction.1 is a rare 2D→3D example with a 3-fold parallel interpenetration and polycatenaned architecture.2 features a scarce2D→2D example with a 3-fold parallel interpenetrating network which possesses polyrotaxane and polycatenane characters.Moreover,the luminescent properties of 1 and 2 have been discussed.