data_[U3Mo3Se6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  U  1.3800  1.7500  0.9913
  Mo  2.1600  1.4500  0.7750
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.1675]
_cell_length_b [4.1675]
_cell_length_c [15.8188]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [UMoSe2]
_chemical_formula_sum '[U3 Mo3 Se6]'
_cell_volume [237.9316]
_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
[
  U  U0  3  -0.0000  -0.0000  0.5000  1
  Mo  Mo1  3  0.0000  0.0000  0.0000  1
  Se  Se2  6  0.0000  0.0000  0.2647  1
]