References for MOPAC

1.

Gancia, E.; Montana, J. G.; Manallack, D. T. J. Mol. Graph. Model. 2001, 19, 349.

2.

Karelson, M.; Lobanov, V. S.; Katritzky, A. R. Chem. Rev. 1996, 96, 1027.

3.

Stewart, J. J. P. Optimization of Parameters for Semiempirical Methods V: Modification of NDDO Approximations and Application to 70 Elements. J. Mol. Modeling 2007, 13, 1173.

4.

Stewart, J. J. P. Optimization of parameters for semiempirical methods VI: more modifications to the NDDO approximations and re-optimization of parameters. J. Mol. Modeling 2013, 19, 1.