data_[Li4Er4Zr8N16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Er  1.2400  1.7500  1.0300
  Zr  1.3300  1.5500  0.8600
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.2589]
_cell_length_b [10.6887]
_cell_length_c [11.0433]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [LiErZr2N4]
_chemical_formula_sum '[Li4 Er4 Zr8 N16]'
_cell_volume [384.6698]
_cell_formula_units_Z [4]
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
[
  Li  Li0  4  0.0000  0.1542  0.2500  1.0
  Er  Er1  4  0.0000  0.1079  0.7500  1.0
  Zr  Zr2  8  0.0000  0.3669  0.5589  1.0
  N  N3  8  0.0000  0.2653  0.1152  1.0
  N  N4  4  0.0000  0.0000  0.0000  1.0
  N  N5  4  0.0000  0.4517  0.7500  1.0
]