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A new 3D metal-organic framework Ca-SBF based on a zigzag-shaped tetranuclear calcium oxocluster and 9,9'-spirobi[9H-fluorene]-2,2',7,7'-tetracarboxylic acid was obtained and exhibited flu topology. Ca-SBF underwent a single-crystal-to-single-crystal transformation to form Ca-SBF-1… Click to show full abstract
A new 3D metal-organic framework Ca-SBF based on a zigzag-shaped tetranuclear calcium oxocluster and 9,9'-spirobi[9H-fluorene]-2,2',7,7'-tetracarboxylic acid was obtained and exhibited flu topology. Ca-SBF underwent a single-crystal-to-single-crystal transformation to form Ca-SBF-1 with a slight structure shrinkage. Activated Ca-SBF showed permanent porosity and CO2 adsorption properties. A Ca-SBF-modified quartz crystal microbalance sensor demonstrated selective response to toluene vapor.
Journal Title: Inorganic chemistry
Year Published: 2018
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