data_global
_chemical_name_mineral 'Sphaerobismoite'
loop_
_publ_author_name
'Gattow G'
'Schutze D'
_journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie'
_journal_volume 328 
_journal_year 1964
_journal_page_first 44
_journal_page_last 68
_publ_section_title
;
 Uber Wismutoxide. VI. Uber ein Wismut(III)-oxid mit hoherem sauerstoffgehalt
 (beta-modifikation)
;
_database_code_amcsd 0015772
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Bi2 O3'
_cell_length_a 10.95
_cell_length_b 10.95
_cell_length_c 5.63
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 675.051
_exptl_crystal_density_diffrn      9.170
_symmetry_space_group_name_H-M 'C -4 2 b'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,z'
  '1/2+y,x,z'
  '+y,1/2+x,z'
  '1/2-x,y,-z'
  '-x,1/2+y,-z'
  '1/2-y,-x,z'
  '-y,1/2-x,z'
  '1/2+x,-y,-z'
  '+x,1/2-y,-z'
  'y,-x,-z'
  '1/2+y,1/2-x,-z'
  '-x,-y,z'
  '1/2-x,1/2-y,z'
  '-y,x,-z'
  '1/2-y,1/2+x,-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_U_iso_or_equiv
Bi   0.13500   0.11500   0.25000   0.05699
O1   0.02000   0.25000   0.00000   0.05699
O2   0.02000   0.25000   0.50000   0.05699
O3   0.25000   0.25000   0.00000   0.05699
O4   0.00000   0.00000   0.50000   0.05699