Zeff = {}
Zeff['H'] = {'1s': 1.0}
Zeff['He'] = {'1s': 1.688}
Zeff['Li'] = {'1s': 2.691, '2s': 1.279}
Zeff['Be'] = {'1s': 3.685, '2s': 1.912}
Zeff['B'] = {'1s': 4.68, '2s': 2.576, '2p': 2.421}
Zeff['C'] = {'1s': 5.673, '2s': 3.217, '2p': 3.136}
Zeff['N'] = {'1s': 6.665, '2s': 3.847, '2p': 3.834}
Zeff['O'] = {'1s': 7.658, '2s': 4.492, '2p': 4.453}
Zeff['F'] = {'1s': 8.65, '2s': 5.128, '2p': 5.1}
Zeff['Ne'] = {'1s': 9.642, '2s': 5.758, '2p': 5.758}
Zeff['Na'] = {'1s': 10.626, '2s': 6.571, '2p': 6.802, '3s': 2.507}
Zeff['Mg'] = {'1s': 11.609, '2s': 7.392, '2p': 7.826, '3s': 3.308}
Zeff['Al'] = {'1s': 12.591, '2s': 8.214, '2p': 8.963, '3s': 4.117, '3p': 4.066}
Zeff['Si'] = {'1s': 13.575, '2s': 9.02, '2p': 9.945, '3s': 4.903, '3p': 4.285}
Zeff['P'] = {'1s': 14.558, '2s': 9.825, '2p': 10.961, '3s': 5.642, '3p': 4.886}
Zeff['S'] = {'1s': 15.541, '2s': 10.629, '2p': 11.977, '3s': 6.367, '3p': 5.482}
Zeff['Cl'] = {'1s': 16.524, '2s': 11.43, '2p': 12.993, '3s': 7.068, '3p': 6.116}
Zeff['Ar'] = {'1s': 17.508, '2s': 12.23, '2p': 14.008, '3s': 7.757, '3p': 6.764}
Zeff['K'] = {'1s': 18.49, '2s': 13.006, '2p': 15.027, '3s': 8.68, '3p': 7.726, '4s': 3.495}
Zeff['Ca'] = {'1s': 19.473, '2s': 13.776, '2p': 16.041, '3s': 9.602, '3p': 8.658, '4s': 4.398}
Zeff['Sc'] = {'1s': 20.457, '2s': 14.574, '2p': 17.055, '3s': 10.34, '3p': 9.406, '4s': 4.632, '3d': 7.12}
Zeff['Ti'] = {'1s': 21.441, '2s': 15.377, '2p': 18.065, '3s': 11.033, '3p': 10.104, '4s': 4.817, '3d': 8.141}
Zeff['V'] = {'1s': 22.426, '2s': 16.181, '2p': 19.073, '3s': 11.709, '3p': 10.785, '4s': 4.981, '3d': 8.983}
Zeff['Cr'] = {'1s': 23.414, '2s': 16.984, '2p': 20.075, '3s': 12.368, '3p': 11.466, '4s': 5.133, '3d': 9.757}
Zeff['Mn'] = {'1s': 24.396, '2s': 17.794, '2p': 21.084, '3s': 13.018, '3p': 12.109, '4s': 5.283, '3d': 10.528}
Zeff['Fe'] = {'1s': 25.381, '2s': 18.599, '2p': 22.089, '3s': 13.676, '3p': 12.778, '4s': 5.434, '3d': 11.18}
Zeff['Co'] = {'1s': 26.367, '2s': 19.405, '2p': 23.092, '3s': 14.322, '3p': 13.435, '4s': 5.576, '3d': 11.855}
Zeff['Ni'] = {'1s': 27.353, '2s': 20.213, '2p': 24.095, '3s': 14.961, '3p': 14.085, '4s': 5.711, '3d': 12.53}
Zeff['Cu'] = {'1s': 28.339, '2s': 21.02, '2p': 25.097, '3s': 15.594, '3p': 14.731, '4s': 5.842, '3d': 13.201}
Zeff['Zn'] = {'1s': 29.325, '2s': 21.828, '2p': 26.098, '3s': 16.219, '3p': 15.369, '4s': 5.965, '3d': 13.878}
Zeff['Ga'] = {'1s': 30.309, '2s': 22.599, '2p': 27.091, '3s': 16.996, '3p': 16.204, '4s': 7.067, '3d': 15.093, '4p': 6.222}
Zeff['Ge'] = {'1s': 31.294, '2s': 23.365, '2p': 28.082, '3s': 17.79, '3p': 17.014, '4s': 8.044, '3d': 16.251, '4p': 6.78}
Zeff['As'] = {'1s': 32.278, '2s': 24.127, '2p': 29.074, '3s': 18.596, '3p': 17.85, '4s': 8.944, '3d': 17.378, '4p': 7.449}
Zeff['Se'] = {'1s': 33.262, '2s': 24.888, '2p': 30.065, '3s': 19.403, '3p': 18.705, '4s': 9.758, '3d': 18.477, '4p': 8.287}
Zeff['Br'] = {'1s': 34.247, '2s': 25.643, '2p': 31.056, '3s': 20.219, '3p': 19.571, '4s': 10.553, '3d': 19.559, '4p': 9.028}
Zeff['Kr'] = {'1s': 35.232, '2s': 26.398, '2p': 32.047, '3s': 21.033, '3p': 20.434, '4s': 11.316, '3d': 20.626, '4p': 9.338}
Zeff['Rb'] = {'1s': 36.208, '2s': 27.157, '2p': 33.039, '3s': 21.843, '3p': 21.303, '4s': 12.388, '3d': 21.679, '4p': 10.881, '5s': 4.985}
Zeff['Sr'] = {'1s': 37.191, '2s': 27.902, '2p': 34.03, '3s': 22.664, '3p': 22.168, '4s': 13.444, '3d': 22.726, '4p': 11.932, '5s': 6.071}
Zeff['Y'] = {'1s': 38.176, '2s': 28.622, '2p': 35.003, '3s': 23.552, '3p': 23.093, '4s': 14.264, '3d': 25.397, '4p': 12.746, '5s': 6.256, '4d': 15.958}
Zeff['Zr'] = {'1s': 39.159, '2s': 29.374, '2p': 35.993, '3s': 24.362, '3p': 23.846, '4s': 14.902, '3d': 25.567, '4p': 13.46, '5s': 6.446, '4d': 13.072}
Zeff['Nb'] = {'1s': 40.142, '2s': 30.125, '2p': 36.982, '3s': 25.172, '3p': 24.616, '4s': 15.283, '3d': 26.247, '4p': 14.084, '5s': 5.921, '4d': 11.238}
Zeff['Mo'] = {'1s': 41.126, '2s': 30.877, '2p': 37.972, '3s': 25.982, '3p': 25.474, '4s': 16.096, '3d': 27.228, '4p': 14.977, '5s': 6.106, '4d': 11.392}
Zeff['Tc'] = {'1s': 42.109, '2s': 31.628, '2p': 38.941, '3s': 26.792, '3p': 26.384, '4s': 17.198, '3d': 28.353, '4p': 15.811, '5s': 7.227, '4d': 12.882}
Zeff['Ru'] = {'1s': 43.092, '2s': 32.38, '2p': 39.951, '3s': 27.601, '3p': 27.221, '4s': 17.656, '3d': 29.359, '4p': 16.435, '5s': 6.485, '4d': 12.813}
Zeff['Rh'] = {'1s': 44.076, '2s': 33.155, '2p': 40.94, '3s': 28.439, '3p': 28.154, '4s': 18.582, '3d': 30.405, '4p': 17.14, '5s': 6.64, '4d': 13.442}
Zeff['Pd'] = {'1s': 45.059, '2s': 33.883, '2p': 41.93, '3s': 29.221, '3p': 29.02, '4s': 18.986, '3d': 31.451, '4p': 17.723, '4d': 13.618}
Zeff['Ag'] = {'1s': 46.042, '2s': 34.634, '2p': 42.919, '3s': 30.031, '3p': 29.809, '4s': 19.865, '3d': 32.54, '4p': 18.562, '5s': 6.756, '4d': 14.763}
Zeff['Cd'] = {'1s': 47.026, '2s': 35.386, '2p': 43.909, '3s': 30.841, '3p': 30.692, '4s': 20.869, '3d': 33.607, '4p': 19.411, '5s': 8.192, '4d': 15.877}
Zeff['In'] = {'1s': 48.01, '2s': 36.124, '2p': 44.898, '3s': 31.631, '3p': 31.521, '4s': 21.761, '3d': 34.678, '4p': 20.369, '5s': 9.512, '4d': 16.942, '5p': 8.47}
Zeff['Sn'] = {'1s': 48.992, '2s': 36.859, '2p': 45.885, '3s': 32.42, '3p': 32.353, '4s': 22.658, '3d': 35.742, '4p': 21.265, '5s': 10.629, '4d': 17.97, '5p': 9.102}
Zeff['Sb'] = {'1s': 49.974, '2s': 37.595, '2p': 46.873, '3s': 33.209, '3p': 33.184, '4s': 23.544, '3d': 36.8, '4p': 22.181, '5s': 11.617, '4d': 18.974, '5p': 9.995}
Zeff['Te'] = {'1s': 50.957, '2s': 38.331, '2p': 47.86, '3s': 33.998, '3p': 34.009, '4s': 24.408, '3d': 37.839, '4p': 23.122, '5s': 12.538, '4d': 19.96, '5p': 10.809}
Zeff['I'] = {'1s': 51.939, '2s': 39.067, '2p': 48.847, '3s': 34.787, '3p': 34.841, '4s': 25.297, '3d': 38.901, '4p': 24.03, '5s': 13.404, '4d': 20.934, '5p': 11.612}
Zeff['Xe'] = {'1s': 52.922, '2s': 39.803, '2p': 49.835, '3s': 35.576, '3p': 35.668, '4s': 26.173, '3d': 39.947, '4p': 24.957, '5s': 14.218, '4d': 21.893, '5p': 12.425}