data_EuCo3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.34
_cell_length_b   4.34
_cell_length_c   4.34
_cell_angle_alpha   122.27
_cell_angle_beta   122.27
_cell_angle_gamma   86.11
_symmetry_Int_Tables_number   1
_chemical_formula_structural   EuCo3
_chemical_formula_sum   'Eu1 Co3'
_cell_volume   55.73
_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
  Eu  Eu3  1  0.0  0.0  0.17  1.0
  Co  Co0  1  0.0  0.0  0.0  1.0
  Co  Co1  1  0.1  0.0  0.59  1.0
  Co  Co2  1  0.0  0.1  0.59  1.0

data_EuCo3
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.93
_cell_length_b   5.93
_cell_length_c   4.34
_cell_angle_alpha   90.0
_cell_angle_beta   133.05
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   EuCo3
_chemical_formula_sum   'Eu2 Co6'
_cell_volume   111.47
_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
  Eu  Eu0  2  0.33  0.5  0.83  1.0
  Co  Co1  4  0.46  0.05  0.51  1.0
  Co  Co2  2  0.0  0.0  0.0  1.0

Eu Co Co Co