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. 2013 Oct 31;2(1):586. doi: 10.1186/2193-1801-2-586

Table 6.

Root mean square deviation (RMSD) and average relative error (ARE) used for ascertaining the goodness-of-fit between observed and predicted bond lengths and angles for the molecule (E)-1 ( C16H11N3O2)

AM1 PM3 B3LYP / 6-31+G(d,p) RHF / 6-31+G(d,p)
Bond lengths
RMSD, (Å) 0.3567 0.3428 0.3111 0.2401
ARE, (%) 6.4427 6.1093 5.5991 5.0003
Interatomic angles
RMSD, (deg °) 1.7406 1.7903 0.4967 0.6867
ARE, (%) 1.3338 0.9386 0.9478 0.9692