chloroethane trans state geom file 8 1 0 0 0 0 35.45 2 1 0 0 1.84 12. 3 2 100. -120 1.09 1.008 4 2 100. 120 1.09 1.008 5 2 100. 0 1.36 12. 6 5 115. -105 1.09 1.008 7 5 115. 105 1.09 1.008 8 5 100. 0 1.6 1.008 0