There's not actually chemical covalent bonds that are formed but it's a non-covalent interaction, usually dominated by hydrogen bonding.

所以配体和受体之间不生成共价键,这是一种非共价化合反应,它们通常以氢键相联

耶鲁公开课 - 生物医学工程探索课程节选

So, let's think of the energy of interaction when we're comparing atomic orbitals to molecular bonding orbitals.

当我们比较原子轨道和分子轨道的时候,我们来考虑一下相互作用能。

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