data_[Ca3Er3Ga3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Er  1.2400  1.7500  1.0300
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [P-62m]
_cell_length_a [7.8849]
_cell_length_b [7.8849]
_cell_length_c [4.6407]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [189]
_chemical_formula_structural [CaErGa]
_chemical_formula_sum '[Ca3 Er3 Ga3]'
_cell_volume [249.8675]
_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
[
  Ca  Ca0  3  0.0000  0.4160  0.0000  1.0
  Er  Er1  3  0.0000  0.7467  0.5000  1.0
  Ga  Ga2  2  0.3333  0.6667  0.5000  1.0
  Ga  Ga3  1  0.0000  0.0000  0.0000  1.0
]