data_global _amcsd_formula_title 'Ni5.72 Sb Se2' loop_ _publ_author_name 'Reynolds T K' 'Bales J G' 'DiSalvo F J' _journal_name_full 'Chemistry of Materials' _journal_volume 14 _journal_year 2002 _journal_page_first 4746 _journal_page_last 4751 _publ_section_title ; Synthesis and Properties of a New Metal-Rich Nickel Antimonide Telluride or Selenide: Ni7-SbX2 (X = Se or Te) _cod_database_code 1200020 ; _database_code_amcsd 0018292 _chemical_formula_sum 'Se2 Sb Ni5.718' _cell_length_a 3.7021 _cell_length_b 3.7021 _cell_length_c 18.593 _cell_angle_alpha 90.00 _cell_angle_beta 90.00 _cell_angle_gamma 90.00 _cell_volume 254.827 _exptl_crystal_density_diffrn 8.018 _symmetry_space_group_name_H-M 'I 4/m m m' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2+y,1/2+z' '-y,-x,z' '1/2-y,1/2-x,1/2+z' 'y,x,-z' '1/2+y,1/2+x,1/2-z' 'y,-x,-z' '1/2+y,1/2-x,1/2-z' '-y,x,z' '1/2-y,1/2+x,1/2+z' 'x,-y,z' '1/2+x,1/2-y,1/2+z' '-x,y,-z' '1/2-x,1/2+y,1/2-z' 'x,y,-z' '1/2+x,1/2+y,1/2-z' '-x,-y,z' '1/2-x,1/2-y,1/2+z' 'y,x,z' '1/2+y,1/2+x,1/2+z' '-y,-x,-z' '1/2-y,1/2-x,1/2-z' '-y,x,-z' '1/2-y,1/2+x,1/2-z' 'y,-x,z' '1/2+y,1/2-x,1/2+z' '-x,y,z' '1/2-x,1/2+y,1/2+z' 'x,-y,-z' '1/2+x,1/2-y,1/2-z' '-x,-y,-z' '1/2-x,1/2-y,1/2-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv Se1 0.00000 0.00000 0.18100 1.00000 0.01590 Sb1 0.00000 0.00000 0.50000 1.00000 0.01500 Ni1 0.00000 0.00000 0.00000 1.00000 0.01580 Ni2 0.00000 0.50000 0.10009 1.00000 0.01630 Ni3 0.00000 0.00000 0.30200 0.35900 0.02200 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 Se1 0.01080 0.01080 0.02610 0.00000 0.00000 0.00000 Sb1 0.00850 0.00850 0.02800 0.00000 0.00000 0.00000 Ni1 0.01090 0.01090 0.02600 0.00000 0.00000 0.00000 Ni2 0.01250 0.00970 0.02660 0.00000 0.00000 0.00000 Ni3 0.02100 0.02100 0.02400 0.00000 0.00000 0.00000