# SRO A 40 Å cubic copper supercell (~5202 atoms), short-range order. [`copper_sro_generate.py`](../../_static/mace/copper/sro_generate.py) reproduces this case. ## Orientation refinement ## MACE+wall relaxation ## Energy ```{image} ../../_static/mace/copper/sro_energy_curve.png :alt: Copper SRO MACE energy per atom :width: 100% ``` | stage | E (eV/atom) | |---|---:| | after orientation refinement | -3.241 | | after cleanup | -3.904 | | after MACE | -3.980 | ## g₃ distributions **After cleanup** **After MACE** ## Bond length and angle distributions ```{image} ../../_static/mace/copper/sro_bond_hist.png :alt: Copper SRO bond length distribution :width: 100% ``` ```{image} ../../_static/mace/copper/sro_angle_hist.png :alt: Copper SRO angle distributions :width: 100% ``` ```{image} ../../_static/mace/copper/sro_gr.png :alt: Copper SRO pairwise g(r) :width: 100% ```