# generated using pymatgen data_ErSe2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.50623797 _cell_length_b 7.50623797 _cell_length_c 7.50623797 _cell_angle_alpha 149.33798483 _cell_angle_beta 137.60695705 _cell_angle_gamma 53.22116534 _symmetry_Int_Tables_number 1 _chemical_formula_structural ErSe2 _chemical_formula_sum 'Er2 Se4' _cell_volume 144.59139497 _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 0.85791759 0.85791759 0.00000000 1.0 Er Er1 1 0.14208241 0.14208241 -0.00000000 1.0 Se Se2 1 0.71272551 0.21272551 0.50000000 1.0 Se Se3 1 0.28727449 0.78727449 0.50000000 1.0 Se Se4 1 0.75804058 0.50000000 0.25804058 1.0 Se Se5 1 0.24195942 0.50000000 0.74195942 1.0