data_[Na2Ho2Cu2S4]
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
  Cu  1.9000  1.3500  0.8200
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2/c]
_cell_length_a [6.6978]
_cell_length_b [4.5567]
_cell_length_c [7.5959]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.3280]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [13]
_chemical_formula_structural [NaHoCuS2]
_chemical_formula_sum '[Na2 Ho2 Cu2 S4]'
_cell_volume [228.7580]
_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  0.5000  0.1403  0.2500  1
  Ho  Ho1  2  0.0000  0.4915  0.7500  1
  Cu  Cu2  2  0.0000  0.0000  0.0000  1
  S  S3  4  0.2590  0.3122  0.5335  1
]