data_Eu4As3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.95
_cell_length_b   7.95
_cell_length_c   7.95
_cell_angle_alpha   109.47
_cell_angle_beta   109.47
_cell_angle_gamma   109.47
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu4As3
_chemical_formula_sum   'Eu8 As6'
_cell_volume   386.36
_cell_formula_units_Z   2
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
  Eu  Eu6  1  0.66  0.66  0.66  1.0
  Eu  Eu7  1  0.34  0.93  0.66  1.0
  Eu  Eu8  1  0.66  0.34  0.93  1.0
  Eu  Eu9  1  0.93  0.66  0.34  1.0
  Eu  Eu10  1  0.96  0.96  0.96  1.0
  Eu  Eu11  1  0.63  0.22  0.37  1.0
  Eu  Eu12  1  0.22  0.37  0.63  1.0
  Eu  Eu13  1  0.37  0.63  0.22  1.0
  As  As0  1  0.44  0.0  0.29  1.0
  As  As1  1  0.15  0.0  0.88  1.0
  As  As2  1  0.29  0.44  0.0  1.0
  As  As3  1  0.0  0.29  0.44  1.0
  As  As4  1  0.88  0.15  0.0  1.0
  As  As5  1  0.0  0.88  0.15  1.0

data_Eu4As3
_symmetry_space_group_name_H-M   R3
_cell_length_a   12.98
_cell_length_b   12.98
_cell_length_c   7.95
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   146
_chemical_formula_structural   Eu4As3
_chemical_formula_sum   'Eu24 As18'
_cell_volume   1159.07
_cell_formula_units_Z   6
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-y, x-y, z'
  3  '-x+y, -x, z'
  4  'x+2/3, y+1/3, z+1/3'
  5  '-y+2/3, x-y+1/3, z+1/3'
  6  '-x+y+2/3, -x+1/3, z+1/3'
  7  'x+1/3, y+2/3, z+2/3'
  8  '-y+1/3, x-y+2/3, z+2/3'
  9  '-x+y+1/3, -x+2/3, z+2/3'
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
  Eu  Eu0  9  0.02  0.72  0.64  1.0
  Eu  Eu1  9  0.15  0.44  0.07  1.0
  Eu  Eu2  3  0.0  0.0  0.66  1.0
  Eu  Eu3  3  0.0  0.0  0.96  1.0
  As  As4  9  0.05  0.25  0.25  1.0
  As  As5  9  0.14  0.13  0.01  1.0

Eu Eu Eu Eu Eu Eu Eu Eu As As As As As As