14508-49-7, Name is 2-Chloropyrazine, molecular formula is C4H3ClN2, belongs to Pyrazines compound, is a common compound. In a patnet, author is Zhang, Zhaoqiang, once mentioned the new application about 14508-49-7, Computed Properties of C4H3ClN2.
High and selective capture of low-concentration CO2 with an anion-functionalized ultramicroporous metal-organic framework
CO(2)capture, especially under low-pressure range, is of significance to maintain long-duration human operation in confined spaces and decrease the CO(2)corrosion and freezing effect for the liquefaction of natural gas. Herein, we for the first time report a novel anion-functionalized ZU-16-Co (TIFSIX-3-Co, TIFSIX=hexafluorotitanate (TiF62-), 3=pyrazine), which exhibits one-dimensional pore channels decorated by abundant F atoms, for efficient CO(2)capture at a concentration around 400-10,000 ppm. Among its isostructural MFSIX-3 (M=Si, Ti, Ge) family materials, ZU-16-Co with fine-tuned pore size of 3.62 A exhibits the highest CO(2)uptake at 0.01 bar (10,000 ppm) and 1 bar (2.63 and 2.87 mmol g(-), respectively). The high CO(2)capture ability of ZU-16-Co originates from the fine-tuned pore dimensions with strong FMIDLINE HORIZONTAL ELLIPSISC=O host-guest interactions and relatively large pore volumes coming from its longer coordinated Ti-F-Co distance (3.9 A) incdirection. The excellent carbon trapping performance was further verified by dynamic breakthrough tests for CO2/N-2(1/99 and 15/85) and CO2/CH4(50/50) mixtures. The adsorption and separation performances, resulting from the fine-tuned pore system with periodic arrays of exposed functionalities, demonstrate that ultramicroporous ZU-16-Co can be a promising adsorbent for low-concentration carbon capture.
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