# generated using pymatgen data_Er3SiSe2 _symmetry_space_group_name_H-M 'P 1' _cell_length_a 7.03574850 _cell_length_b 7.03574761 _cell_length_c 7.03574719 _cell_angle_alpha 146.52616764 _cell_angle_beta 132.21935276 _cell_angle_gamma 59.59502855 _symmetry_Int_Tables_number 1 _chemical_formula_structural Er3SiSe2 _chemical_formula_sum 'Er3 Si1 Se2' _cell_volume 140.99505913 _cell_formula_units_Z 1 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 0.84363181 0.34363181 0.50000000 1.0 Er Er1 1 0.50000000 0.00000000 0.50000000 1.0 Er Er2 1 0.15636819 0.65636819 0.50000000 1.0 Si Si3 1 0.00000000 0.00000000 0.00000000 1.0 Se Se4 1 0.66937916 0.66937916 0.00000000 1.0 Se Se5 1 0.33062084 0.33062084 1.00000000 1.0