an> <span class="nb">TRIM</span><span class="p">(</span><span class="n">gname</span><span class="p">)</span> <span class="o">//</span> <span class="s2">&quot;/Zeff&quot;</span>
     <span class="n">attr</span> <span class="o">=</span> <span class="s2">&quot;Effective atomic number of ions.&quot;</span>
     <span class="k">call </span><span class="n">save_to_hdf5</span><span class="p">(</span><span class="n">h5file_id</span><span class="p">,</span><span class="n">dset</span><span class="p">,</span><span cla