data_TiCoCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.63
_cell_length_b   4.63
_cell_length_c   4.63
_cell_angle_alpha   141.52
_cell_angle_beta   141.52
_cell_angle_gamma   55.55
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TiCoCu
_chemical_formula_sum   'Ti1 Co1 Cu1'
_cell_volume   38.2
_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
  Ti  Ti2  1  0.0  0.0  0.38  1.0
  Co  Co0  1  0.0  0.0  0.07  1.0
  Cu  Cu1  1  0.0  0.0  0.75  1.0

data_TiCoCu
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.32
_cell_length_b   4.32
_cell_length_c   4.63
_cell_angle_alpha   90.0
_cell_angle_beta   117.78
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   TiCoCu
_chemical_formula_sum   'Ti2 Co2 Cu2'
_cell_volume   76.4
_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
  Ti  Ti0  2  0.0  0.0  0.62  1.0
  Co  Co1  2  0.0  0.0  0.93  1.0
  Cu  Cu2  2  0.0  0.0  0.25  1.0

Ti Co Cu