1,1,2,2-tetrachloroethylene 6 0.2020000 0.6400000 -0.0290000 -0.2020000 -0.6400000 0.0290000 0.9120000 -1.9720000 0.0230000 -1.8780000 -1.0880000 0.1160000 -0.9120000 1.9720000 -0.0230000 1.8780000 1.0880000 -0.1160000