data_[Na6Ho4Sn2Se12]
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
  Sn  1.9600  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.1747]
_cell_length_b [12.4264]
_cell_length_c [7.3944]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9224]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Na3Ho2SnSe6]
_chemical_formula_sum '[Na6 Ho4 Sn2 Se12]'
_cell_volume [623.6207]
_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  4  0.0000  0.1635  0.5000  1
  Na  Na1  2  0.0000  0.5000  0.5000  1
  Ho  Ho2  4  0.0000  0.3330  0.0000  1
  Sn  Sn3  2  0.0000  0.0000  0.0000  1
  Se  Se4  8  0.2440  0.1674  0.2288  1
  Se  Se5  4  0.2409  0.5000  0.2279  1
]