data_EuCo2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.81
_cell_length_b   4.81
_cell_length_c   5.35
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   EuCo2
_chemical_formula_sum   'Eu2 Co4'
_cell_volume   123.51
_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  Eu4  1  0.0  0.0  0.0  1.0
  Eu  Eu5  1  0.4  0.4  0.67  1.0
  Co  Co0  1  0.67  0.67  0.0  1.0
  Co  Co1  1  0.14  0.14  0.0  1.0
  Co  Co2  1  0.07  0.74  0.67  1.0
  Co  Co3  1  0.74  0.07  0.67  1.0

data_EuCo2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.8
_cell_length_b   6.8
_cell_length_c   5.35
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   EuCo2
_chemical_formula_sum   'Eu4 Co8'
_cell_volume   247.02
_cell_formula_units_Z   4
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  0.0  0.0  0.0  1.0
  Eu  Eu1  2  0.4  0.0  0.67  1.0
  Co  Co2  4  0.4  0.33  0.67  1.0
  Co  Co3  2  0.14  0.0  -0.0  1.0
  Co  Co4  2  0.17  0.5  -0.0  1.0

Eu Eu Co Co Co Co
Eu Eu Co Co Co Co 0 3 o o o 0 2 - - o 0 4 o - - 0 5 - o - 1 3 o o + 1 4 o o o 1 5 o o o 1 2 o o + 2 4 + o - 2 5 o + - 3 4 o - - 3 5 - o - 4 5 - + o 