data_[Sr8Ge4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ge  2.0100  1.2500  0.7700
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Ama2]
_cell_length_a [7.9045]
_cell_length_b [9.2853]
_cell_length_c [5.8982]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [40]
_chemical_formula_structural [Sr2GeO4]
_chemical_formula_sum '[Sr8 Ge4 O16]'
_cell_volume [432.9071]
_cell_formula_units_Z [4]
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
[
  Sr  Sr0  4  0.0000  0.0000  0.9579  1
  Sr  Sr1  4  0.2500  0.1705  0.4510  1
  Ge  Ge2  4  0.2500  0.3039  0.9627  1
  O  O3  8  0.0698  0.3111  0.1434  1
  O  O4  4  0.2500  0.1281  0.8445  1
  O  O5  4  0.2500  0.4328  0.7372  1
]