Consider 2-methylbutane (isopentane). Sighting along the
Chapter 3, Problem 3(choose chapter or problem)
Consider 2-methylbutane (isopentane). Sighting along the \(\mathrm {C2-C3}\) bond:
(a) Draw a Newman projection of the most stable conformation.
(b) Draw a Newman projection of the least stable conformation.
(c) If a \(\mathrm {CH_3{\leftarrow \rightarrow}CH_3}\) eclipsing interaction costs 11 kJ/mol (2.5 kcal/mol) and a \(\mathrm {CH_3{\leftarrow \rightarrow}CH_3}\) gauche interaction costs 3.8 kJ/mol (0.9 kcal/mol), make a quantitative plot of energy versus rotation about the \(\mathrm {C2-C3}\) bond.
Equation Transcription:
Text Transcription:
C2-C3
CH_3{leftarrow rightarrow}CH_3
CH_3{leftarrow rightarrow}CH_3
C2-C3
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