data_[Mn6Co18Ni18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Co  1.8800  1.3500  0.7683
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [5.9217]
_cell_length_b [5.9217]
_cell_length_c [16.6367]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Mn(CoNi)3]
_chemical_formula_sum '[Mn6 Co18 Ni18]'
_cell_volume [505.2251]
_cell_formula_units_Z [6]
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
[
  Mn  Mn0  6  0.0000  0.0000  0.3377  1
  Co  Co1  18  0.0532  0.2734  0.2041  1
  Ni  Ni2  18  0.0269  0.2501  0.0599  1
]