data_[Rb4Mg2Zn4Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Mg  1.3100  1.5000  0.8600
  Zn  1.6500  1.3500  0.8800
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.0019]
_cell_length_b [4.3585]
_cell_length_c [8.5642]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.2088]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Rb2Mg(ZnTe2)2]
_chemical_formula_sum '[Rb4 Mg2 Zn4 Te8]'
_cell_volume [602.8449]
_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
[
  Rb  Rb0  4  0.1257  0.0000  0.5492  1.0
  Mg  Mg1  2  0.0000  0.0000  0.0000  1.0
  Zn  Zn2  4  0.1716  0.5000  0.9768  1.0
  Te  Te3  4  0.0179  0.5000  0.7789  1.0
  Te  Te4  4  0.2056  0.0000  0.1774  1.0
]