ntial</span>
<span class="sd">        The LAMMPS implemented potential to use.</span>
<span class="sd">    symbols : list</span>
<span class="sd">        The potential symbols associated with the two atoms in the diatom.</span>
<span class="sd">    mpi_command : str, optional</span>
<span class="sd">        The MPI command for running LAMMPS in parallel.  If not given, LAMMPS</span>
<span class="sd">        will run serially.</span>
<span class="sd">    rmin : float, optional</span>
<span class="sd">       