data_global
_amcsd_formula_title 'Ge O8 Zr3'
loop_
_publ_author_name
'Ennaciri A'
'Michel D'
'Perez y Jorba M'
'Pannetier J'
_journal_name_full 'Materials Research Bulletin'
_journal_volume 19 
_journal_year 1984
_journal_page_first 793
_journal_page_last 799
_publ_section_title
;
 Neutron Diffraction Determination of the Structure of an Ordered
 Scheelite - Type: Zr3 Ge O8
 _cod_database_code 1001196
;
_database_code_amcsd 0014315
_chemical_formula_sum 'Zr3 Ge O8'
_cell_length_a 5.005
_cell_length_b 5.005
_cell_length_c 10.452
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 261.823
_exptl_crystal_density_diffrn      6.016
_symmetry_space_group_name_H-M 'I -4 2 m'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '1/2+x,1/2+y,1/2+z'
  '-y,-x,z'
  '1/2-y,1/2-x,1/2+z'
  'y,-x,-z'
  '1/2+y,1/2-x,1/2-z'
  '-x,y,-z'
  '1/2-x,1/2+y,1/2-z'
  '-x,-y,z'
  '1/2-x,1/2-y,1/2+z'
  'y,x,z'
  '1/2+y,1/2+x,1/2+z'
  '-y,x,-z'
  '1/2-y,1/2+x,1/2-z'
  'x,-y,-z'
  '1/2+x,1/2-y,1/2-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Zr1   0.00000   0.00000   0.50000
Zr2   0.00000   0.50000   0.25000
Ge1   0.00000   0.00000   0.00000
O1   0.20040   0.20040   0.34100
O2   0.21700   0.21700   0.09040