Table 4. Graphical representation of the probability density function at the 50% probability level for various refinement types of the PT-2(Cl) data set.

	No intensity cut-off		Intensity cut-off |F| ≥ 2σ(|F|)
Refinement type	Anharmonic (n = 3)	Anharmonic (n = 3, 4)	Anharmonic (n = 3)	Anharmonic (n = 3, 4)
HAR
MM
MM(freeXH)