data_[Pm16Er4Ga4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.9474]
_cell_length_b [13.7408]
_cell_length_c [6.3978]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.8592]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm4ErGa]
_chemical_formula_sum '[Pm16 Er4 Ga4]'
_cell_volume [744.3489]
_cell_formula_units_Z [4]
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  8  0.1011  0.1819  0.0490  1
  Pm  Pm1  8  0.2213  0.3894  0.3774  1
  Er  Er2  4  0.0000  0.4054  0.7500  1
  Ga  Ga3  4  0.0000  0.0001  0.7500  1
]