data_global
_chemical_name_mineral 'Valentinite'
loop_
_publ_author_name
'Svensson C'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 30 
_journal_year 1974
_journal_page_first 458
_journal_page_last 461
_publ_section_title
;
 The crystal structure of orthorhombic antimony trioxide, Sb2O3
;
_database_code_amcsd 0009500
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Sb2 O3'
_cell_length_a 4.911
_cell_length_b 12.464
_cell_length_c 5.412
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 331.272
_exptl_crystal_density_diffrn      5.845
_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
Sb   0.04149   0.12745   0.17845
O1   0.25000   0.25000   0.02290
O2   0.15200   0.05910  -0.14460
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 0.01492 0.01369 0.00920 0.00301 0.00100 0.00174
O1 0.03055 0.01181 0.00594 -0.00155 0.00000 0.00000
O2 0.01478 0.01338 0.01083 -0.00527 -0.00566 0.00342