Drawing Newman Projections Video Lessons

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Problem: A three dimensional representation of butane is shown on the left. Translate the information about the conformation of butane into its Newman projection on the right, and determine if this conformation represents a local energy minimum or a global energy minimum.This conformation of butane represents aa. local energy minimumb. global energy minimum

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Newman Projection:


  • Gauche→ large atoms are staggered adjacent to each other (60 degrees) 
  • anti → large atoms are opposite each other (180 degrees)


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Problem Details

A three dimensional representation of butane is shown on the left. Translate the information about the conformation of butane into its Newman projection on the right, and determine if this conformation represents a local energy minimum or a global energy minimum.

This conformation of butane represents a
a. local energy minimum
b. global energy minimum

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