data_[Pm4Ta6Ge8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ta  1.5000  1.4500  0.8200
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.2274]
_cell_length_b [7.2274]
_cell_length_c [7.1300]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4504]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [Pm2Ta3Ge4]
_chemical_formula_sum '[Pm4 Ta6 Ge8]'
_cell_volume [351.1818]
_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  0.1858  0.6696  0.5582  1
  Ta  Ta1  4  0.2579  0.1713  0.7469  1
  Ta  Ta2  2  0.5000  0.0000  0.5000  1
  Ge  Ge3  4  0.0888  0.0417  0.3613  1
  Ge  Ge4  4  0.4943  0.6321  0.3661  1
]