参考文献:10.1007/s10947-009-0158-0 摘要:Shundrin LA, Melnikov PV, Polenov EA. Hindered internal rotation of the CF3 group in the 2-trifluoromethylnitrobenzene radical anion in DMF:H2O mixtures. Journal of Structural Chemistry. 2009 Dec;50(6):1071–81. doi: 10.1007/s10947-009-0158-0.