data_[Pm2Nd1Sm1P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.1599]
_cell_length_b [4.1372]
_cell_length_c [7.1601]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4470]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Pm2NdSmP4]
_chemical_formula_sum '[Pm2 Nd1 Sm1 P4]'
_cell_volume [199.9923]
_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
[
  Pm  Pm0  1  0.0000  0.5000  0.5000  1
  Pm  Pm1  1  0.5000  0.0000  0.5000  1
  Nd  Nd2  1  0.0000  0.0000  0.0000  1
  Sm  Sm3  1  0.5000  0.5000  0.0000  1
  P  P4  2  0.2516  0.0000  0.7502  1
  P  P5  2  0.2519  0.5000  0.2509  1
]