data_global _chemical_name_mineral 'Valentinite' loop_ _publ_author_name 'Whitten A E' 'Dittrich B' 'Spackman M A' 'Turner P' 'Brown T C' _journal_name_full 'Dalton Transactions' _journal_volume 2004 _journal_year 2004 _journal_page_first 23 _journal_page_last 29 _publ_section_title ; Charge density analysis of two polymorphs of antimony(III) oxide ; _database_code_amcsd 0012431 _chemical_formula_sum 'Sb2 O3' _cell_length_a 4.8996 _cell_length_b 12.4490 _cell_length_c 5.4103 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 330.002 _exptl_crystal_density_diffrn 5.867 _symmetry_space_group_name_H-M 'P c c n' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2-y,1/2+z' '-x,1/2+y,1/2-z' '1/2-x,y,1/2+z' '1/2+x,-y,1/2-z' '1/2+x,1/2+y,-z' '1/2-x,1/2-y,z' '-x,-y,-z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_U_iso_or_equiv Sb 0.04064 0.12753 0.17784 0.00479 O1 0.25000 0.25000 0.02090 0.00781 O2 0.15086 0.05868 -0.14535 0.00629 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 Sb 0.00502 0.00545 0.00390 0.00117 0.00046 0.00064 O1 0.01210 0.00660 0.00470 -0.00260 0.00000 0.00000 O2 0.00740 0.00660 0.00490 -0.00145 0.00144 -0.00092