The following publications are possibly variants of this publication:
- Merck molecular force field. III. Molecular geometries and vibrational frequencies for MMFF94Thomas A. Halgren. jcc, 17(5-6):553-586, 1996. [doi]
- Merck molecular force field. IV. conformational energies and geometries for MMFF94Thomas A. Halgren, Robert B. Nachbar. jcc, 17(5-6):587-615, 1996. [doi]
- Merck molecular force field. I. Basis, form, scope, parameterization, and performance of MMFF94Thomas A. Halgren. jcc, 17(5-6):490-519, 1996. [doi]
- Merck molecular force field. V. Extension of MMFF94 using experimental data, additional computational data, and empirical rulesThomas A. Halgren. jcc, 17(5-6):616-641, 1996. [doi]
- MMFF VII. Characterization of MMFF94, MMFF94s, and other widely available force fields for conformational energies and for intermolecular-interaction energies and geometriesThomas A. Halgren. jcc, 20(7):730-748, 1999. [doi]