P. Pulay, G. Fogarasi, F. Pang, and J. E. Boggs, “Systematic ab initio gradient calculation of molecular geometries, force constants, and dipole-moment derivatives,” J. Am. Chem. Soc., 101 (1979) 2550-60. DOI: 10.1021/ja00504a009
P. Pulay, G. Fogarasi, F. Pang, and J. E. Boggs, “Systematic ab initio gradient calculation of molecular geometries, force constants, and dipole-moment derivatives,” J. Am. Chem. Soc., 101 (1979) 2550-60. DOI: 10.1021/ja00504a009
