data_global
_amcsd_formula_title 'Ge Hf O4'
loop_
_publ_author_name
'Durif A'
_journal_name_full 'Acta Crystallographica'
_journal_volume 14 
_journal_year 1961
_journal_page_first 312
_journal_page_last 312
_publ_section_title
;
 Structure du germanate d'hafnium
 _cod_database_code 1007090
;
_database_code_amcsd 0009248
_chemical_formula_sum 'Ge Hf'
_cell_length_a 4.849
_cell_length_b 4.849
_cell_length_c 10.501
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 246.908
_exptl_crystal_density_diffrn      6.755
_symmetry_space_group_name_H-M 'I 41/a'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '1/2+y,1/2-x,1/2-z'
  '+y,-x,-z'
  '-y,1/2+x,1/4+z'
  '1/2-y,+x,3/4+z'
  '1/2+x,y,3/4-z'
  '+x,1/2+y,1/4-z'
  '1/2-x,1/2-y,1/2+z'
  '-x,-y,+z'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  '1/2+y,-x,3/4+z'
  '+y,1/2-x,1/4+z'
  '-x,1/2-y,1/4-z'
  '1/2-x,-y,3/4-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Ge1   0.00000   0.00000   0.00000
Hf1   0.00000   0.00000   0.50000