Butane has Steric and Torsional Strain When Eclipsed steric hindrance H Totally eclipsed conformation of butane
Butane has Steric and Torsional Strain When Eclipsed
PE Diagram for Butane (link) 0.9 keal 3.6 kcal -5 kcal (3.8kJ (15k (21kJ) 0° 60° 120° 180° 240° 300° 360° ~5 kcal 0.9 kcal 3.6 kcal lowest 3.6 kcal 0.9 kcal -5 kcal (21kJ) (3.8k) (15kJ) (15kJ) (3.8kJ) (21kJ) totally totally eclipsed gauche eclipsed anti eclipsed gauche eclipsed A0 H.C CH CH3.60 CH 240 300
PE Diagram for Butane (link)
16 kJ/mol 3.8kh 女人女美女具因 120 60 60 20 Ant Least stable eclipsed C2004 Thomson-Brooks/Cole