data_[Sr2Sm4U2As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sm  1.1700  1.8500  1.2290
  U  1.3800  1.7500  0.9913
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [5.9818]
_cell_length_b [5.9818]
_cell_length_c [11.9799]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [SrSm2UAs4]
_chemical_formula_sum '[Sr2 Sm4 U2 As8]'
_cell_volume [428.6597]
_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
[
  Sr  Sr0  2  0.0000  0.0000  0.5000  1
  Sm  Sm1  2  0.0000  0.0000  0.0000  1
  Sm  Sm2  2  0.0000  0.5000  0.7500  1
  U  U3  2  0.0000  0.5000  0.2500  1
  As  As4  4  0.0000  0.0000  0.2437  1
  As  As5  4  0.0000  0.5000  0.0126  1
]