data_global
_chemical_name_mineral 'Cassiterite'
loop_
_publ_author_name
'Baur W H'
'Khan A A'
_journal_name_full 'Acta Crystallographica, Section B'
_journal_volume 27 
_journal_year 1971
_journal_page_first 2133
_journal_page_last 2139
_publ_section_title
;
 Rutile-type compounds. VI.
 SiO2, GeO2 and a comparison with other rutile-type structures
;
_database_code_amcsd 0009406
_chemical_formula_sum 'Sn O2'
_cell_length_a 4.7380
_cell_length_b 4.7380
_cell_length_c 3.1865
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 71.533
_exptl_crystal_density_diffrn      6.997
_symmetry_space_group_name_H-M 'P 42/m n m'
loop_
_space_group_symop_operation_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
Sn   0.00000   0.00000   0.00000
O   0.30650   0.30650   0.00000
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
Sn 0.00148 0.00148 0.00077 -0.00057 0.00000 0.00000
O 0.00296 0.00296 0.00211 -0.00250 0.00000 0.00000