THE hydrogen bond is usually described as unsymmetrical, with the hydrogen atom nearer one of the two bonding atoms, and the energy of bonding is considered as due to electrostatic and delocalization ...

Excited-state intramolecular proton transfer (ESIPT) is a compelling photochemical process whereby a proton relocates within a molecule following photoexcitation. This intramolecular rearrangement is ...

Open an introductory chemistry textbook. What is a covalent bond? A covalent bond occurs when atoms share electrons in a molecule. What is a hydrogen bond? A hydrogen bond is an electrostatic ...