data_global
_chemical_name_mineral 'Cassiterite'
loop_
_publ_author_name
'Baur W H'
_journal_name_full 'Acta Crystallographica'
_journal_volume 9 
_journal_year 1956
_journal_page_first 515
_journal_page_last 520
_publ_section_title
;
 Uber die verfeinerung der kristallstrukturbestimmung einiger vertreter
 des rutiltyps: TiO2, SnO2, GeO2 und MgF2
;
_chemical_formula_sum 'Sn O2'
_cell_length_a 4.737
_cell_length_b 4.737
_cell_length_c 3.185
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 71.469
_exptl_crystal_density_diffrn      7.003
_symmetry_space_group_name_H-M 'P 42/m n m'
loop_
_symmetry_equiv_pos_as_xyz
  'x,y,z'
  '-y,-x,z'
  'y,x,-z'
  '1/2+y,1/2-x,1/2-z'
  '1/2-y,1/2+x,1/2+z'
  '1/2+x,1/2-y,1/2+z'
  '1/2-x,1/2+y,1/2-z'
  'x,y,-z'
  '-x,-y,z'
  'y,x,z'
  '-y,-x,-z'
  '1/2-y,1/2+x,1/2-z'
  '1/2+y,1/2-x,1/2+z'
  '1/2-x,1/2+y,1/2+z'
  '1/2+x,1/2-y,1/2-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
Sn   0.00000   0.00000   0.00000   0.00127
O   0.30700   0.30700   0.00000   0.00127

