data_Ga3As2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.38
_cell_length_b   4.38
_cell_length_c   6.57
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ga3As2
_chemical_formula_sum   'Ga3 As2'
_cell_volume   109.34
_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  Ga2  1  0.0  0.0  0.0  1.0
  Ga  Ga3  1  0.19  0.27  0.27  1.0
  Ga  Ga4  1  0.0  0.53  0.3  1.0
  As  As0  1  0.19  0.27  0.58  1.0
  As  As1  1  0.0  0.53  0.99  1.0

data_Ga3As2
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.38
_cell_length_b   4.38
_cell_length_c   6.57
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ga3As2
_chemical_formula_sum   'Ga3 As2'
_cell_volume   109.34
_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  Ga0  1  0.0  0.0  0.0  1.0
  Ga  Ga1  1  0.0  0.53  0.3  1.0
  Ga  Ga2  1  0.19  0.27  0.27  1.0
  As  As3  1  0.0  0.53  0.99  1.0
  As  As4  1  0.19  0.27  0.58  1.0

Ga Ga Ga As As
Ga Ga Ga As As 0 4 o o - 0 4 o - - 0 1 o o o 1 2 o o o 1 3 o o o 2 4 o o - 