data_[Na2Er1Zr1Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Er  1.2400  1.7500  1.0300
  Zr  1.3300  1.5500  0.8600
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.3945]
_cell_length_b [4.2309]
_cell_length_c [8.0610]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.5310]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Na2ErZrTe4]
_chemical_formula_sum '[Na2 Er1 Zr1 Te4]'
_cell_volume [240.4777]
_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
[
  Na  Na0  1  0.0000  0.5000  0.5000  1.0
  Na  Na1  1  0.5000  0.0000  0.5000  1.0
  Er  Er2  1  0.0000  0.0000  0.0000  1.0
  Zr  Zr3  1  0.5000  0.5000  0.0000  1.0
  Te  Te4  2  0.2514  0.5000  0.2302  1.0
  Te  Te5  2  0.2657  0.0000  0.7739  1.0
]