INTERMOLECULAR FORCES OF ATTRACTION | 3.1

Intermolecular Forces of Attraction (IMFA)

attractive forces between molecules

Intermolecular forces

hold atoms together in a molecule

1. Ion-dipole interactions

2. Ion-induced dipole interactions

3. Dipole-induced dipole interactions

4. London Dispersion Forces (LDF)

5. Dipole-dipole forces (DDF)

Types of IMFA

Ion-Dipole Interaction

Ion-Induced Dipole Interaction

Dipole-Induced Dipole Interaction

London Dispersion Forces

> involves the creation of instantaneous and induced dipoles

- present in all substances (atoms/molecules/ions)

- the only one present in non-polar substances

Polarizability

Dipole-Dipole Forces

Hydrogen Bonding

F O N

atoms primary bonding of hydrogen bonding