data_ZnCuSn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.11
_cell_length_b   5.11
_cell_length_c   5.66
_cell_angle_alpha   104.19
_cell_angle_beta   104.19
_cell_angle_gamma   35.72
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnCuSn2
_chemical_formula_sum   'Zn1 Cu1 Sn2'
_cell_volume   83.28
_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
  Zn  Zn3  1  0.46  0.0  0.74  1.0
  Cu  Cu0  1  0.05  0.0  0.21  1.0
  Sn  Sn1  1  0.1  0.0  0.09  1.0
  Sn  Sn2  1  0.05  0.0  0.64  1.0

data_ZnCuSn2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.13
_cell_length_b   5.11
_cell_length_c   5.66
_cell_angle_alpha   104.19
_cell_angle_beta   90.0
_cell_angle_gamma   107.86
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnCuSn2
_chemical_formula_sum   'Zn1 Cu1 Sn2'
_cell_volume   83.28
_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
  Zn  Zn0  1  0.0  0.54  0.26  1.0
  Cu  Cu1  1  0.0  0.95  0.79  1.0
  Sn  Sn2  1  0.0  0.9  0.91  1.0
  Sn  Sn3  1  0.0  0.95  0.36  1.0

Zn Cu Sn Sn