A novel fluorinated metal-organic framework with rhombic channels

A novel fluorinated metal-organic framework, namely [Zn3(Int)2F4]·CH3OH·H2O (1) (Int = isonicotinate), has been synthesized under solvothermal conditions, and characterized by single crystal X-ray diffraction, infrared (IR) spectroscopy, elemental analysis, solid state fluorescent spectra, thermogravimetry analysis and gas adsorption studies. The unusual F− ions pillared structure of 1 exhibits a porous three-dimensional network with a pcu topology.

Graphic abstractThe Zn2+ ions are first interconnected by Int ligands to form positive 2D skeletons ([Zn3(Int)2]4+), which were further pillared by negative F− ions to generate permanent 3D porous network with rhombic channels.Figure optionsDownload as PowerPoint slideHighlights
► Fluorinated metal-organic complex constructed by rod-shaped SBUs.
► The unusual F− ions pillared structure of 1 exhibits a porous three-dimensional network with a pcu topology.
► Complex 1 exhibits permanent porosity.
► The adsorption properties and fluorescent properties of 1 have been investigated.