"sd">        &quot;&quot;&quot;</span>
        <span class="n">system</span> <span class="o">=</span> <span class="n">System</span><span class="p">(</span>
            <span class="n">symbols</span><span class="o">=</span><span class="n">atoms</span><span class="o">.</span><span class="n">get_chemical_symbols</span><span class="p">(),</span>
            <span class="n">positions</span><span class="o">=</span><span class="n">atoms</span><span class="o">.</span><span class="n">get_positions</span><span class=