data_[Ca4As2Br3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  As  2.1800  1.1500  0.6600
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [4.2256]
_cell_length_b [4.2256]
_cell_length_c [18.1344]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [Ca4As2Br3]
_chemical_formula_sum '[Ca4 As2 Br3]'
_cell_volume [280.4171]
_cell_formula_units_Z [1]
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
[
  Ca  Ca0  2  0.0000  0.0000  0.3048  1
  Ca  Ca1  2  0.3333  0.6667  0.8836  1
  As  As2  2  0.3333  0.6667  0.2019  1
  Br  Br3  2  0.3333  0.6667  0.6082  1
  Br  Br4  1  0.0000  0.0000  0.0000  1
]