data_global _chemical_name_mineral 'Cervantite' loop_ _publ_author_name 'Amador J' 'Gutierrez-Puebla E' 'Monge M A' 'Rasines I' 'Ruiz-Valero C' _journal_name_full 'Inorganic Chemistry' _journal_volume 27 _journal_year 1988 _journal_page_first 1367 _journal_page_last 1370 _publ_section_title ; Diantimony tetraoxides revisited Note: displacement parameters from ICSD ; _database_code_amcsd 0012697 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Sb O2' _cell_length_a 5.434 _cell_length_b 4.8091 _cell_length_c 11.779 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 307.816 _exptl_crystal_density_diffrn 6.635 _symmetry_space_group_name_H-M 'P n a 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,1/2+z' '-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Sb1 0.37270 -0.00080 0.24830 ? Sb2 -0.02250 0.03580 0.00000 ? O1 0.31750 0.15720 0.09520 0.00850 O2 0.15120 0.70540 0.19120 0.00590 O3 0.08220 0.20210 0.30520 0.00580 O4 0.35180 0.83200 0.40760 0.00040 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 Sb1 0.00190 0.00260 0.00120 -0.00020 0.00000 0.00040 Sb2 0.00550 0.00450 0.00630 -0.00040 0.00160 -0.00060