... C C C C 1 C 2 C 3 C 4 10 p-p共轭 Cl C C R C O OH CH 3 CH CH CH 2 C 3 C 2 C 1 CH 3 H H + H 11 超共轭（Hyperconjugation）：当C-H键的s轨道与p键 或p轨道形成一定程度的重叠，发生电子离域现象，形 成的共轭，叫做超共轭效应。 比共轭效应小得多。
Natural bond orbital analysis shows that these H-bonds can be interpreted with the theory of inter-and intra-molecular hyperconjugation and rehybridization.
自然键轨道分析表明分子内与分子间超共轭和重杂化理论可以解释这些氢键的形成机制。
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The hyperconjugation between lone-pair of nitrogen atoms and nitrogen-nitrogen bonds, or among nitrogen-nitrogen bonds play a significant role on the nitrogen-nitrogen bond length.