Comparison of methods within MOPAC2007

Method	No. of elements	Advantages over other methods	Disadvantages
MNDO	37	None	Low accuracy
MNDO/d	9	None	Used MNDO for non-MNDO/d elements
AM1	37	Lanthanides as sparkles
PM3	37	Lanthanides as sparkles
PM5	51	Good torsion angles in biphenyls	Not published. No good statistics on accuracy
RM1	10	Most accurate dipoles and I.P.s	Limited range of elements
PM6	70	Most accurate DH_f, geometries, good H-bonds Under active development.	Zwitterions too stable, dipoles of low accuracy, non-bonded interactions often too strong

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Comparison of Methods in MOPAC2009