data_ZrCo2Cu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.14
_cell_length_b   3.14
_cell_length_c   5.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrCo2Cu
_chemical_formula_sum   'Zr1 Co2 Cu1'
_cell_volume   54.71
_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
  Zr  Zr3  1  0.0  0.0  0.78  1.0
  Co  Co0  1  0.57  0.57  0.32  1.0
  Co  Co1  1  0.57  0.57  0.24  1.0
  Cu  Cu2  1  0.0  0.0  0.0  1.0

data_ZrCo2Cu
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.44
_cell_length_b   4.44
_cell_length_c   5.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ZrCo2Cu
_chemical_formula_sum   'Zr2 Co4 Cu2'
_cell_volume   109.41
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.78  1.0
  Co  Co1  2  0.07  0.5  0.24  1.0
  Co  Co2  2  0.07  0.5  0.32  1.0
  Cu  Cu3  2  0.0  0.0  0.0  1.0

Zr Co Co Cu
Zr Co Co Cu 0 3 o o + 1 2 o o o 