data_image0 _chemical_formula_structural Al2Se4 _chemical_formula_sum "Al2 Se4" _cell_length_a 3.0723732003409006 _cell_length_b 6.621408414268844 _cell_length_c 18.24731763182806 _cell_angle_alpha 90.0 _cell_angle_beta 90.0 _cell_angle_gamma 89.99999999999896 _space_group_name_H-M_alt "P 1" _space_group_IT_number 1 loop_ _space_group_symop_operation_xyz '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 Al Al1 1.0 0.5000001040985351 2.581021878057002e-06 0.5000000944843513 1.0000 Al Al2 1.0 0.999999908865232 0.5000025754136448 0.5000000807837075 1.0000 Se Se1 1.0 0.4998007695906233 0.30253913588581804 0.41203740416540174 1.0000 Se Se2 1.0 0.9998518993913702 0.19732295733101 0.5879854429280917 1.0000 Se Se3 1.0 0.500199301904292 0.6974658850597326 0.5879626856106395 1.0000 Se Se4 1.0 0.00014804842065394588 0.8026820877785841 0.4120146550683358 1.0000