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In many industrial applications, (CF3)2CFCN has been suggested as SF6 substitute, which possess a global warming potential (GWP100-yr) of 23500 relative to CO2. The temperature dependence of the rate coefficient (kOH) for the OH+(CF3)2CFCN reaction is reported for the first time: kOH(278–358K)=(5.9±3.2)×10−13exp{−(1856±162)/T}cm3 molecule−1s−1. A lifetime of 47years was estimated relative to that...