data_[Mg2Ta2Pt2O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Ta  1.5000  1.4500  0.8200
  Pt  2.2800  1.3500  0.8050
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P4_2nm]
_cell_length_a [4.7165]
_cell_length_b [4.7165]
_cell_length_c [9.3405]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [102]
_chemical_formula_structural [MgTaPtO6]
_chemical_formula_sum '[Mg2 Ta2 Pt2 O12]'
_cell_volume [207.7804]
_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
[
  Mg  Mg0  2  0.0000  0.0000  0.6653  1.0
  Ta  Ta1  2  0.0000  0.0000  0.9963  1.0
  Pt  Pt2  2  0.0000  0.0000  0.3341  1.0
  O  O3  4  0.1883  0.8117  0.1653  1.0
  O  O4  4  0.1986  0.8014  0.4947  1.0
  O  O5  4  0.2032  0.7968  0.8421  1.0
]