data_[Na4Tc4Pt4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tc  1.9000  1.3500  0.7417
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [2.7269]
_cell_length_b [9.7550]
_cell_length_c [8.0178]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [NaTcPt]
_chemical_formula_sum '[Na4 Tc4 Pt4]'
_cell_volume [213.2845]
_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
[
  Na  Na0  2  0.0000  0.0000  0.8866  1
  Na  Na1  2  0.5000  0.0000  0.2128  1
  Tc  Tc2  4  0.5000  0.1184  0.5581  1
  Pt  Pt3  4  0.0000  0.2404  0.3021  1
]