data_Zr2CuSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.28
_cell_length_b   9.28
_cell_length_c   9.28
_cell_angle_alpha   20.31
_cell_angle_beta   20.31
_cell_angle_gamma   20.31
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zr2CuSn
_chemical_formula_sum   'Zr2 Cu1 Sn1'
_cell_volume   84.32
_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  Zr2  1  0.0  0.0  0.2  1.0
  Zr  Zr3  1  0.0  0.0  0.06  1.0
  Cu  Cu0  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.0  0.0  0.63  1.0

data_Zr2CuSn
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.67
_cell_length_b   3.27
_cell_length_c   9.28
_cell_angle_alpha   90.0
_cell_angle_beta   101.75
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Zr2CuSn
_chemical_formula_sum   'Zr4 Cu2 Sn2'
_cell_volume   168.63
_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  0.8  1.0
  Zr  Zr1  2  0.0  0.0  0.94  1.0
  Cu  Cu2  2  0.0  0.0  0.0  1.0
  Sn  Sn3  2  -0.0  0.0  0.37  1.0

Zr Zr Cu Sn