data_[Pm6Er2Sb4C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Sb  2.0500  1.4500  0.8300
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.7716]
_cell_length_b [4.9148]
_cell_length_c [16.2532]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Pm3ErSb2C]
_chemical_formula_sum '[Pm6 Er2 Sb4 C2]'
_cell_volume [381.1596]
_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  0.0000  0.0000  0.1608  1
  Pm  Pm1  2  0.0000  0.5000  0.0000  1
  Er  Er2  2  0.0000  0.5000  0.5000  1
  Sb  Sb3  4  0.0000  0.0000  0.3606  1
  C  C4  2  0.0000  0.0000  0.0000  1
]