data_[Sr2Pm2Br10]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [17.4864]
_cell_length_b [4.3288]
_cell_length_c [19.4479]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [SrPmBr5]
_chemical_formula_sum '[Sr2 Pm2 Br10]'
_cell_volume [1472.1218]
_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
[
  Sr  Sr0  2  0.2500  0.0000  0.5115  1
  Pm  Pm1  2  0.0000  0.5000  0.5000  1
  Br  Br2  4  0.0578  0.0000  0.5857  1
  Br  Br3  4  0.1438  0.5000  0.4288  1
  Br  Br4  2  0.2500  0.5000  0.6144  1
]