data_[Pm6Er4Te10]
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
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.6270]
_cell_length_b [4.3937]
_cell_length_c [10.8439]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.6963]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3Er2Te5]
_chemical_formula_sum '[Pm6 Er4 Te10]'
_cell_volume [605.3768]
_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  4  0.2082  0.0000  0.3066  1
  Pm  Pm1  2  0.0000  0.0000  0.5000  1
  Er  Er2  4  0.0966  0.5000  0.9008  1
  Te  Te3  4  0.0957  0.5000  0.3899  1
  Te  Te4  4  0.1984  0.0000  0.8119  1
  Te  Te5  2  0.0000  0.0000  0.0000  1
]