data_Ga2CuNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.97
_cell_length_b   2.97
_cell_length_c   5.89
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ga2CuNi
_chemical_formula_sum   'Ga2 Cu1 Ni1'
_cell_volume   52.07
_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
  Ga  Ga1  1  0.49  0.49  0.49  1.0
  Ga  Ga2  1  0.49  0.49  0.4  1.0
  Cu  Cu0  1  0.0  0.0  0.95  1.0
  Ni  Ni3  1  0.0  0.0  0.0  1.0

data_Ga2CuNi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.2
_cell_length_b   4.2
_cell_length_c   5.89
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Ga2CuNi
_chemical_formula_sum   'Ga4 Cu2 Ni2'
_cell_volume   104.14
_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
  Ga  Ga0  2  0.49  0.0  0.4  1.0
  Ga  Ga1  2  0.49  0.0  0.49  1.0
  Cu  Cu2  2  0.0  0.0  0.95  1.0
  Ni  Ni3  2  0.0  0.0  0.0  1.0

Ga Ga Cu Ni
Ga Ga Cu Ni 0 1 o o o 2 3 o o + 
NiCu(Ga)2 is Cubic alpha N2-derived structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two 12357-13-0 molecules and two digallane molecules.