自秋精对 Pi ()Bonding 视中院 Pi bonds form after sigma bonds. ■ Sideways overlap of parallel p orbitals. node destructive (antibonding)interaction m*antibonding MO energy constructive (bonding)interaction T bonding MO Copyright 2005 Pearson Prentice Hall,Inc.Pi (π)Bonding ◼Pi bonds form after sigma bonds. ◼Sideways overlap of parallel p orbitals