data_[Sr1Pm1Cu2Ge2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Pm  1.1300  1.8500  1.1100
  Cu  1.9000  1.3500  0.8200
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.2572]
_cell_length_b [4.2572]
_cell_length_c [8.4919]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [SrPm(CuGe)2]
_chemical_formula_sum '[Sr1 Pm1 Cu2 Ge2]'
_cell_volume [133.2857]
_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
[
  Sr  Sr0  1  0.0000  0.0000  0.5000  1
  Pm  Pm1  1  0.0000  0.0000  0.0000  1
  Cu  Cu2  2  0.3333  0.6667  0.7679  1
  Ge  Ge3  2  0.3333  0.6667  0.2307  1
]