C fcc Tersoff_LAMMPS_Tersoff_1988_C__MO_579868029681_004 2.727575689554215 Optimization terminated successfully. Current function value: -11.938403 Iterations: 1064 Function evaluations: 3163 C11 = 3589.373870 +/- 0.007336 GPa C12 = 5036.040867 +/- 0.005187 GPa C44 = -305.682771 +/- 0.001834 GPa B = 4553.818535 +/- 0.004235 GPa