data_[Mn2Fe2Ni2C2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mn  1.5500  1.4000  0.6483
  Fe  1.8300  1.4000  0.8525
  Ni  1.9100  1.3500  0.7400
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cm]
_cell_length_a [8.0212]
_cell_length_b [2.6559]
_cell_length_c [4.2957]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.3071]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [8]
_chemical_formula_structural [MnFeNiC]
_chemical_formula_sum '[Mn2 Fe2 Ni2 C2]'
_cell_volume [77.3475]
_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
[
  Mn  Mn0  2  0.3202  0.5000  0.8187  1
  Fe  Fe1  2  0.0083  0.0000  0.4959  1
  Ni  Ni2  2  0.1904  0.0000  0.1764  1
  C  C3  2  0.0083  0.5000  0.8068  1
]