data_[Na2Ho2Si2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ho  1.2300  1.7500  1.0410
  Si  1.9000  1.1000  0.5400
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.3739]
_cell_length_b [6.5816]
_cell_length_c [7.9525]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.8107]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [NaHoSiS4]
_chemical_formula_sum '[Na2 Ho2 Si2 S8]'
_cell_volume [320.9859]
_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  0.2533  0.2500  0.0630  1.0
  Ho  Ho1  2  0.2235  0.2500  0.5536  1.0
  Si  Si2  2  0.2378  0.7500  0.3168  1.0
  S  S3  4  0.0124  0.5009  0.2723  1.0
  S  S4  2  0.4232  0.7500  0.5827  1.0
  S  S5  2  0.4408  0.7500  0.1490  1.0
]