data_[Sr4Zn8Cu12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Zn  1.6500  1.3500  0.8800
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [10.0411]
_cell_length_b [8.2607]
_cell_length_c [5.1405]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [SrZn2Cu3]
_chemical_formula_sum '[Sr4 Zn8 Cu12]'
_cell_volume [426.3852]
_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
[
  Sr  Sr0  4  0.0000  0.3145  0.2500  1.0
  Zn  Zn1  8  0.2125  0.0000  0.0000  1.0
  Cu  Cu2  8  0.1928  0.2658  0.7500  1.0
  Cu  Cu3  4  0.0000  0.0743  0.7500  1.0
]