data_[Ac4Sb4Se14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [11.0302]
_cell_length_b [10.9901]
_cell_length_c [6.4253]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.9868]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ac2Sb2Se7]
_chemical_formula_sum '[Ac4 Sb4 Se14]'
_cell_volume [767.0911]
_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
[
  Ac  Ac0  4  0.0000  0.2676  0.5000  1
  Sb  Sb1  4  0.2407  0.0000  0.9557  1
  Se  Se2  8  0.2359  0.3138  0.2815  1
  Se  Se3  4  0.0627  0.5000  0.7573  1
  Se  Se4  2  0.0000  0.0000  0.0000  1
]