Nb fcc Sim_LAMMPS_ADP_SmirnovaStarikov_2017_ZrNb__SM_937902197407_000 4.10514514148 Warning: Maximum number of function evaluations has been exceeded. C11 = 172.847011 +/- 0.007336 GPa C12 = 239.380991 +/- 0.005187 GPa C44 = 69.370549 +/- 0.001834 GPa B = 217.202998 +/- 0.004235 GPa