# generated using pymatgen data_Er(CuO2)2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 5.55781793 _cell_length_b 5.62486736 _cell_length_c 6.14567429 _cell_angle_alpha 116.26579457 _cell_angle_beta 115.91015219 _cell_angle_gamma 91.90820253 _symmetry_Int_Tables_number 1 _chemical_formula_structural Er(CuO2)2 _chemical_formula_sum 'Er2 Cu4 O8' _cell_volume 148.72591295 _cell_formula_units_Z 2 loop_ _symmetry_equiv_pos_site_id _symmetry_equiv_pos_as_xyz 1 'x, y, z' loop_ _atom_site_type_symbol _atom_site_label _atom_site_symmetry_multiplicity _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Er Er0 1 0.87488779 0.12489719 0.74978043 1.0 Er Er1 1 0.12511221 0.87510281 0.25021957 1.0 Cu Cu2 1 0.50000000 0.00000000 -0.00000000 1.0 Cu Cu3 1 0.50000000 0.50000000 -0.00000000 1.0 Cu Cu4 1 -0.00000000 0.50000000 0.50000000 1.0 Cu Cu5 1 0.50000000 0.50000000 0.50000000 1.0 O O6 1 0.72446381 0.52483251 0.85831197 1.0 O O7 1 0.13385524 0.83351880 0.85828512 1.0 O O8 1 0.27553619 0.47516749 0.14168803 1.0 O O9 1 0.86614476 0.16648120 0.14171488 1.0 O O10 1 0.53554307 0.13279625 0.35183876 1.0 O O11 1 0.81627591 0.71905117 0.35185586 1.0 O O12 1 0.18372409 0.28094883 0.64814414 1.0 O O13 1 0.46445693 0.86720375 0.64816124 1.0