Table 8. Mean Absolute Errors in Selected Interatomic Distances (Å) and Angles (deg) from PM7 and OMx-Dn Optimizations for the S22 Set.

		method
			OM2			OM3
subset	N	PM7	D2	D3	D3T	D2	D3	D3T
Selected Interatomic Distances
overall	105	0.565	0.287	0.281	0.424	0.265	0.281	0.285
Selected Angles
overall	14	10.76	2.47	2.63	2.60	1.08	0.86	0.85