data_global
_chemical_name_mineral 'Cervantite'
loop_
_publ_author_name
'Dihlstrom K'
_journal_name_full 'Zeitschrift fur Anorganische und Allgemeine Chemie'
_journal_volume 239 
_journal_year 1938
_journal_page_first 57
_journal_page_last 64
_publ_section_title
;
 Uber den bau des wahren antimontetroxyds und des damit isomorphen
 stibiotantalits, SbTaO4
;
_database_code_amcsd 0015750
_chemical_formula_sum 'Sb O2'
_cell_length_a 4.804
_cell_length_b 5.424
_cell_length_c 11.76
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 306.429
_exptl_crystal_density_diffrn      6.665
_symmetry_space_group_name_H-M 'P b n 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
Sb1  -0.04000   0.00000   0.00000
Sb2   0.00000   0.37500   0.25000
O1   0.16000   0.33000   0.09000
O2   0.75000   0.12000   0.17000
O3   0.25000   0.12000   0.33000
O4   0.84000   0.33000   0.41000