data_[La2Pm1Ag1C1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Ag  1.9300  1.6000  1.0867
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4mm]
_cell_length_a [5.1276]
_cell_length_b [5.1276]
_cell_length_c [5.2233]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [99]
_chemical_formula_structural [La2PmAgC]
_chemical_formula_sum '[La2 Pm1 Ag1 C1]'
_cell_volume [137.3343]
_cell_formula_units_Z [1]
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
[
  La  La0  2  0.0000  0.5000  0.9882  1
  Pm  Pm1  1  0.0000  0.0000  0.4856  1
  Ag  Ag2  1  0.5000  0.5000  0.5025  1
  C  C3  1  0.0000  0.0000  0.0350  1
]