data_VCu4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.79
_cell_length_b   6.79
_cell_length_c   6.79
_cell_angle_alpha   158.79
_cell_angle_beta   147.54
_cell_angle_gamma   39.1
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VCu4
_chemical_formula_sum   'V1 Cu4'
_cell_volume   60.74
_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
  V  V4  1  0.0  0.0  0.0  1.0
  Cu  Cu0  1  0.0  0.0  0.1  1.0
  Cu  Cu1  1  0.0  0.0  0.24  1.0
  Cu  Cu2  1  0.0  0.0  0.56  1.0
  Cu  Cu3  1  0.0  0.0  0.7  1.0

data_VCu4
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.5
_cell_length_b   3.8
_cell_length_c   6.79
_cell_angle_alpha   106.23
_cell_angle_beta   100.6
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VCu4
_chemical_formula_sum   'V1 Cu4'
_cell_volume   60.74
_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
  V  V0  1  0.0  0.0  0.0  1.0
  Cu  Cu1  1  0.3  0.3  0.3  1.0
  Cu  Cu2  1  0.44  0.44  0.44  1.0
  Cu  Cu3  1  0.76  0.76  0.76  1.0
  Cu  Cu4  1  0.9  0.9  0.9  1.0

V Cu Cu Cu Cu