data_[Sr2Ta4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Ta  1.5000  1.4500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.1304]
_cell_length_b [3.8988]
_cell_length_c [7.6452]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.2029]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SrTa2O6]
_chemical_formula_sum '[Sr2 Ta4 O12]'
_cell_volume [273.2142]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.5000  1.0
  Ta  Ta1  4  0.1761  0.0000  0.1163  1.0
  O  O2  4  0.0148  0.0000  0.1762  1.0
  O  O3  4  0.1732  0.5000  0.6402  1.0
  O  O4  4  0.1996  0.5000  0.0634  1.0
]