data_[Sm4Er6Tm2Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Er  1.2400  1.7500  1.0300
  Tm  1.2500  1.7500  1.0950
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.0965]
_cell_length_b [4.3233]
_cell_length_c [8.7547]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.4864]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm2Er3TmTe6]
_chemical_formula_sum '[Sm4 Er6 Tm2 Te12]'
_cell_volume [702.8590]
_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
[
  Sm  Sm0  4  0.1725  0.0000  0.3387  1.0
  Er  Er1  4  0.1740  0.0000  0.8361  1.0
  Er  Er2  2  0.0000  0.5000  0.5000  1.0
  Tm  Tm3  2  0.0000  0.5000  0.0000  1.0
  Te  Te4  4  0.0031  0.0000  0.7533  1.0
  Te  Te5  4  0.1615  0.5000  0.5883  1.0
  Te  Te6  4  0.1626  0.5000  0.0742  1.0
]