Stabilization of the ethyl carbocation, CH3CH2 , through hyperconjugation. Interaction of neighboring C H t bonds with the vacant p orbital stabilizes the cation and lowers its energy. The molecular orbital shows that only the two C H bonds more nearly parallel to the cation p orbital are oriented properly for hyperconjugation. The C-H bond perpendicular to the cation p orbital cannot take part. - Big Chemical Encyclopedia

Stabilization of the ethyl carbocation, CH3CH2 , through hyperconjugation. Interaction of neighboring C H t bonds with the vacant p orbital stabilizes the cation and lowers its energy. The molecular orbital shows that only the two C H bonds more nearly parallel to the cation p orbital are oriented properly for hyperconjugation. The C-H bond perpendicular to the cation p orbital cannot take part.

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Stabilization of the ethyl carbocation, CH3CH2 , through hyperconjugation. Interaction of neighboring C H t bonds with the vacant p orbital stabilizes the cation and lowers its energy. The molecular orbital shows that only the two C H bonds more nearly parallel to the cation p orbital are oriented properly for hyperconjugation. The C-H bond perpendicular to the cation p orbital cannot take part.