# CIF generated by HEAS from Alexandria entry agm002187635 data_agm002187635 _cell_length_a 5.35413 _cell_length_b 5.35413 _cell_length_c 5.35412 _cell_angle_alpha 59.99812 _cell_angle_beta 59.99809 _cell_angle_gamma 59.99814 _cell_volume 108.52555 _symmetry_space_group_name_H-M 'P 1' _symmetry_Int_Tables_number 1 loop_ _symmetry_equiv_pos_as_xyz 'x, y, z' loop_ _atom_site_label _atom_site_type_symbol _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy Ac1 Ac 0.50000 0.50000 0.50000 1.00000 Ac2 Ac 1.00000 1.00000 1.00000 1.00000 Ir1 Ir 0.25000 0.25000 0.25000 1.00000 Si1 Si 0.75000 0.75000 0.75000 1.00000