data_[Pt2C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pt  2.2800  1.3500  0.8050
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Pnnm]
_cell_length_a [4.0730]
_cell_length_b [5.0477]
_cell_length_c [2.9916]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [58]
_chemical_formula_structural [PtC2]
_chemical_formula_sum '[Pt2 C4]'
_cell_volume [61.5043]
_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
[
  Pt  Pt0  2  0.0000  0.0000  0.0000  1
  C  C1  4  0.1267  0.5899  0.0000  1
]