data_[Zr4Ga4Cu4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Imma]
_cell_length_a [5.0975]
_cell_length_b [5.2740]
_cell_length_c [7.2574]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [74]
_chemical_formula_structural [ZrGaCu]
_chemical_formula_sum '[Zr4 Ga4 Cu4]'
_cell_volume [195.1087]
_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
[
  Zr  Zr0  4  0.0000  0.2500  0.3732  1.0
  Ga  Ga1  4  0.0000  0.0000  0.0000  1.0
  Cu  Cu2  4  0.2500  0.2500  0.7500  1.0
]