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当H原子和形成π键的原子相连时 ,π成键轨道和π 反键轨道与H原子的 2p空轨道相互作用 ,组成新的分子轨道 ,这样的结构称为π→p共轭体系。由π→p共轭作用引起的不饱键一系列性质的变化 ,称之为π→p共轭效应
When the H atom is connected to the atom forming the π bond, the π bond or π bond and the 2p null orbit of the H atom interact to form a new molecular orbital. Such a structure is called the π → p conjugate system. The change of a series of properties of unsaturated bond caused by π → p conjugation is called π → p conjugation