data_global
_amcsd_formula_title 'Ba Ge0.5 O5 Si1.5'
loop_
_publ_author_name
'Goreaud M'
'Choisnet J'
'Raveau B'
'Deschanvres A'
_journal_name_full 'Revue de Chimie Minerale'
_journal_volume 11 
_journal_year 1974
_journal_page_first 207
_journal_page_last 216
_publ_section_title
;
 Sur les silicogermanates Ba(Si2-x Gex) O5 isotypes de la sanbornite
 _cod_database_code 1001036
;
_database_code_amcsd 0015373
_chemical_formula_sum 'Ba (Si1.5 Ge.5) O5'
_cell_length_a 4.649
_cell_length_b 7.739
_cell_length_c 13.596
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 90
_cell_volume 489.165
_exptl_crystal_density_diffrn      4.016
_symmetry_space_group_name_H-M 'P c m n'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  'x,1/2-y,z'
  '-x,1/2+y,-z'
  '1/2+x,1/2+y,1/2-z'
  '1/2-x,1/2-y,1/2+z'
  '1/2-x,y,1/2+z'
  '1/2+x,-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_occupancy
Ba1   0.28200   0.25000   0.04500   1.00000
Si1   0.36800   0.04900   0.32500   0.75000
Ge1   0.36800   0.04900   0.32500   0.25000
O1   0.45100   0.25000   0.33800   1.00000
O2   0.17100   0.04300   0.21800   1.00000
O3   0.18800   0.92300   0.42200   1.00000