# generated using pymatgen data_NiSe _symmetry_space_group_name_H-M 'P 1' _cell_length_a 3.67751638 _cell_length_b 3.67751638 _cell_length_c 5.37066107 _cell_angle_alpha 90.00000000 _cell_angle_beta 90.00000000 _cell_angle_gamma 90.00000000 _symmetry_Int_Tables_number 1 _chemical_formula_structural NiSe _chemical_formula_sum 'Ni2 Se2' _cell_volume 72.63350091 _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 Ni Ni0 1 -0.00000000 -0.00000000 -0.00000000 1.0 Ni Ni1 1 0.50000000 0.50000000 -0.00000000 1.0 Se Se2 1 0.50000000 0.00000000 0.73282847 1.0 Se Se3 1 -0.00000000 0.50000000 0.26717153 1.0