data_[Pm2Al2Cr2Ge4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Al  1.6100  1.2500  0.6750
  Cr  1.6600  1.4000  0.9400
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [5.7271]
_cell_length_b [5.7700]
_cell_length_c [5.7526]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [PmAlCrGe2]
_chemical_formula_sum '[Pm2 Al2 Cr2 Ge4]'
_cell_volume [190.0964]
_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  2  0.2500  0.5000  0.2312  1
  Al  Al1  2  0.2500  0.0000  0.3812  1
  Cr  Cr2  2  0.0000  0.0000  0.0000  1
  Ge  Ge3  4  0.2500  0.2665  0.7464  1
]