data_[Sm4Cr4Br4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Cr  1.6600  1.4000  0.9400
  Br  2.9600  1.1500  0.8825
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.3602]
_cell_length_b [7.2996]
_cell_length_c [6.8278]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.5839]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [SmCrBrO4]
_chemical_formula_sum '[Sm4 Cr4 Br4 O16]'
_cell_volume [499.7225]
_cell_formula_units_Z [4]
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
[
  Sm  Sm0  4  0.2335  0.0000  0.1242  1.0
  Cr  Cr1  4  0.1384  0.5000  0.2656  1.0
  Br  Br2  4  0.0177  0.0000  0.7540  1.0
  O  O3  8  0.1874  0.3196  0.1450  1.0
  O  O4  4  0.0248  0.5000  0.7697  1.0
  O  O5  4  0.2099  0.5000  0.5097  1.0
]