data_[Sm1Er1Ag2Te4]
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
  Ag  1.9300  1.6000  1.0867
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.4527]
_cell_length_b [4.4465]
_cell_length_c [7.6887]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.8439]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [SmEr(AgTe2)2]
_chemical_formula_sum '[Sm1 Er1 Ag2 Te4]'
_cell_volume [239.6673]
_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
[
  Sm  Sm0  1  0.0000  0.5000  0.5000  1.0
  Er  Er1  1  0.0000  0.0000  0.0000  1.0
  Ag  Ag2  1  0.5000  0.0000  0.5000  1.0
  Ag  Ag3  1  0.5000  0.5000  0.0000  1.0
  Te  Te4  2  0.2538  0.5000  0.2442  1.0
  Te  Te5  2  0.2563  0.0000  0.7560  1.0
]