data_MnC
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.87
_cell_length_b   4.87
_cell_length_c   2.57
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnC
_chemical_formula_sum   'Mn3 C3'
_cell_volume   52.82
_cell_formula_units_Z   3
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  Mn3  1  0.0  0.0  0.0  1.0
  Mn  Mn4  1  0.43  0.4  0.29  1.0
  Mn  Mn5  1  0.0  0.81  0.29  1.0
  C  C0  1  0.07  0.61  0.0  1.0
  C  C1  1  0.5  0.6  0.0  1.0
  C  C2  1  0.86  0.0  0.0  1.0

data_MnC
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.57
_cell_length_b   4.87
_cell_length_c   4.87
_cell_angle_alpha   120.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnC
_chemical_formula_sum   'Mn3 C3'
_cell_volume   52.82
_cell_formula_units_Z   3
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  1  0.0  0.0  0.0  1.0
  Mn  Mn1  1  0.29  -0.0  0.81  1.0
  Mn  Mn2  1  0.29  0.43  0.4  1.0
  C  C3  1  -0.0  0.86  0.0  1.0
  C  C4  1  -0.0  0.07  0.61  1.0
  C  C5  1  -0.0  0.5  0.6  1.0

Mn Mn Mn C C C