data_[Pm2Er4Tm7]
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
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [P-31m]
_cell_length_a [5.9919]
_cell_length_b [5.9919]
_cell_length_c [13.2831]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [162]
_chemical_formula_structural [Pm2Er4Tm7]
_chemical_formula_sum '[Pm2 Er4 Tm7]'
_cell_volume [413.0100]
_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  0.3333  0.6667  0.0000  1
  Er  Er1  2  0.0000  0.0000  0.3953  1
  Er  Er2  2  0.3333  0.6667  0.5000  1
  Tm  Tm3  6  0.0000  0.3487  0.2151  1
  Tm  Tm4  1  0.0000  0.0000  0.0000  1
]