data_[Pu2Be2Ru2C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pu  1.2800  1.7500  0.9675
  Be  1.5700  1.0500  0.5900
  Ru  2.2000  1.3000  0.6610
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [3.6106]
_cell_length_b [3.6106]
_cell_length_c [8.4081]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [PuBeRuC]
_chemical_formula_sum '[Pu2 Be2 Ru2 C2]'
_cell_volume [109.6131]
_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
[
  Pu  Pu0  2  0.0000  0.5000  0.8432  1
  Be  Be1  2  0.0000  0.5000  0.3177  1
  Ru  Ru2  2  0.0000  0.0000  0.5000  1
  C  C3  2  0.0000  0.5000  0.1156  1
]