data_[Pm4Sn4Ru4C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sn  1.9600  1.4500  0.8300
  Ru  2.2000  1.3000  0.6610
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.6118]
_cell_length_b [4.3202]
_cell_length_c [7.4157]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.1770]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Sn2Ru2C]
_chemical_formula_sum '[Pm4 Sn4 Ru4 C2]'
_cell_volume [296.4041]
_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
[
  Pm  Pm0  4  0.0474  0.5000  0.2719  1
  Sn  Sn1  4  0.1631  0.0000  0.6940  1
  Ru  Ru2  4  0.1860  0.0000  0.0770  1
  C  C3  2  0.0000  0.0000  0.0000  1
]