From Proteopedia
proteopedia linkproteopedia linkConformation describes the shape a molecule has at a given time due to free rotation around single bonds. Different conformations of a molecule will be more common or less common depending on the interactions of the atoms in these different conformations. Different conformations will have distinct sets of torsion angles, which quantitatively describe the rotation around a bond.
Example: Pentane
See also
Tutorial:Ramachandran principle and phi psi angles