1. Argonne Leadership Computing Facility, Argonne National Laboratory, Argonne, Illinois 60439, USA
2. Stone Ridge Technology, 2015 Emmorton Rd. Suite 204, Bel Air, Maryland 21015, USA
3. Center for Nanophase Materials Sciences and Computational Sciences and Engineering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, USA
4. HEDP Theory Department, Sandia National Laboratories, Albuquerque, New Mexico 87185, USA