data_global
_chemical_name_mineral 'Argutite'
loop_
_publ_author_name
'Haines J'
'Leger J M'
'Chateau C'
'Pereira A S'
_journal_name_full 'Physics and Chemistry of Minerals'
_journal_volume 27 
_journal_year 2000
_journal_page_first 575
_journal_page_last 582
_publ_section_title
;
 Structural evolution of rutile-type and CaCl2-type germanium dioxide
 at high pressure
 Sample: rutile-type, P = 8.9 GPa
;
_database_code_amcsd 0008434
_chemical_formula_sum 'Ge O2'
_cell_length_a 4.3417
_cell_length_b 4.3417
_cell_length_c 2.8407
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 53.548
_exptl_crystal_density_diffrn      6.488
_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
Ge   0.00000   0.00000   0.00000
O   0.30270   0.30270   0.00000