data_[Pm4Sm2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.7062]
_cell_length_b [6.5664]
_cell_length_c [7.4840]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [Pm2SmGe]
_chemical_formula_sum '[Pm4 Sm2 Ge2]'
_cell_volume [231.2786]
_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  0.2329  0.8499  1
  Sm  Sm1  2  0.0000  0.0000  0.4116  1
  Ge  Ge2  2  0.0000  0.5000  0.3261  1
]