data_[Mg8Zr4S16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Zr  1.3300  1.5500  0.8600
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.5704]
_cell_length_b [12.2277]
_cell_length_c [12.2328]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Mg2ZrS4]
_chemical_formula_sum '[Mg8 Zr4 S16]'
_cell_volume [534.0641]
_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
[
  Mg  Mg0  8  0.0000  0.1253  0.0659  1.0
  Zr  Zr1  4  0.0000  0.3782  0.2500  1.0
  S  S2  8  0.0000  0.2197  0.6213  1.0
  S  S3  4  0.0000  0.0311  0.2500  1.0
  S  S4  4  0.0000  0.5000  0.0000  1.0
]