data_[Pm4Sm1Er2Tm1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.2198]
_cell_length_b [3.6009]
_cell_length_c [11.8408]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1623]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Pm4SmEr2Tm]
_chemical_formula_sum '[Pm4 Sm1 Er2 Tm1]'
_cell_volume [261.0375]
_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
[
  Pm  Pm0  2  0.2487  0.0000  0.7475  1
  Pm  Pm1  2  0.2505  0.5000  0.2514  1
  Sm  Sm2  1  0.5000  0.5000  0.0000  1
  Er  Er3  1  0.0000  0.0000  0.0000  1
  Er  Er4  1  0.0000  0.5000  0.5000  1
  Tm  Tm5  1  0.5000  0.0000  0.5000  1
]