data_[Na2Sm2Mg2Te6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sm  1.1700  1.8500  1.2290
  Mg  1.3100  1.5000  0.8600
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [8.9303]
_cell_length_b [4.5028]
_cell_length_c [10.6243]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.2558]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaSmMgTe3]
_chemical_formula_sum '[Na2 Sm2 Mg2 Te6]'
_cell_volume [414.0664]
_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
[
  Na  Na0  2  0.3037  0.7500  0.7966  1
  Sm  Sm1  2  0.1740  0.2500  0.1414  1
  Mg  Mg2  2  0.4176  0.7500  0.3952  1
  Te  Te3  2  0.0618  0.2500  0.8380  1
  Te  Te4  2  0.2661  0.2500  0.4624  1
  Te  Te5  2  0.4203  0.7500  0.1357  1
]