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Newman diagrams and conformation energy for butane

Drag the molecule around so that the point of view is looking
down the central C-C bond
from carbon no. 2 to carbon no. 3.
CH3 H H H H CH3

 

Torsion angle
20
 
INSTRUCTIONS
Drag the Newman projection around to change the
torsion angle. The graph illustrates the corresponding change in potential energy. You can also drag the green dot on the graph.
-180 -120 -60 0 60 120 180