data_[Sr6U3In3Se18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  U  1.3800  1.7500  0.9913
  In  1.7800  1.5500  0.9400
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.4714]
_cell_length_b [7.4714]
_cell_length_c [18.7939]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Sr2UInSe6]
_chemical_formula_sum '[Sr6 U3 In3 Se18]'
_cell_volume [908.5622]
_cell_formula_units_Z [3]
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
[
  Sr  Sr0  3  0.0000  0.0000  0.0300  1
  Sr  Sr1  3  0.0000  0.0000  0.5365  1
  U  U2  3  0.0000  0.0000  0.3210  1
  In  In3  3  0.0000  0.0000  0.8165  1
  Se  Se4  9  0.0055  0.4068  0.5758  1
  Se  Se5  9  0.0145  0.6097  0.0768  1
]