data_global
_chemical_name_mineral 'Valentinite'
loop_
_publ_author_name
'Buerger M J'
_journal_name_full 'American Mineralogist'
_journal_volume 21 
_journal_year 1936
_journal_page_first 206
_journal_page_last 207
_publ_section_title
;
 The crystal structure of valentinite
;
_database_code_amcsd 0000015
_chemical_formula_sum 'Sb2 O3'
_cell_length_a 4.92
_cell_length_b 12.46
_cell_length_c 5.42
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 332.263
_exptl_crystal_density_diffrn      5.827
_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   0.12150   0.20700   0.17500
O1   0.25000   0.25000  -0.07500
O2  -0.11000   0.15600   0.17500