-
Interaction Type
|
Example |
Average Strength, kcal/mol (kJ/mol) |
Range** |
| Charge-dipole |
-NH3+ Cl- |
|
1/r2 |
| Dipole-dipole |
ClCH3 ClCH3 |
|
1/r3 |
| Dipole-induced dipole* |
CH4 ClCH3 |
0.1-0.2 (0.4-4) |
1/r6 |
-
Dispersion*
-
(induced dipole-induced dipole)
|
CH4 CH4 |
0.1-0.2 (0.4-4)
|
1/r6 |
| Hydrogen bond |
 |
3-8 (12-30) |
|
van der Waals repulsion
|
|
|
1/r12 |
-
*van der Waals interactions, **from Zubay Biochemistry 3rd. Table 4.3, pg. 89.
|