data_[Ba4Ge2As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Ge  2.0100  1.2500  0.7700
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.7921]
_cell_length_b [7.7921]
_cell_length_c [4.9413]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ba2GeAs2]
_chemical_formula_sum '[Ba4 Ge2 As4]'
_cell_volume [300.0208]
_cell_formula_units_Z [2]
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
[
  Ba  Ba0  4  0.1829  0.6829  0.5000  1
  Ge  Ge1  2  0.0000  0.0000  0.0000  1
  As  As2  4  0.1151  0.3849  0.0000  1
]