data_Na2MnCr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.56
_cell_length_b   5.36
_cell_length_c   4.7
_cell_angle_alpha   90.0
_cell_angle_beta   99.43
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2MnCr
_chemical_formula_sum   'Na2 Mn1 Cr1'
_cell_volume   63.7
_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
  Na  Na2  1  0.73  0.68  0.18  1.0
  Na  Na3  1  0.07  0.68  0.46  1.0
  Mn  Mn1  1  0.9  0.0  0.32  1.0
  Cr  Cr0  1  0.0  0.0  0.0  1.0

data_Na2MnCr
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.56
_cell_length_b   4.7
_cell_length_c   5.36
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   99.43
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na2MnCr
_chemical_formula_sum   'Na2 Mn1 Cr1'
_cell_volume   63.7
_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
  Na  Na0  1  0.27  0.82  0.32  1.0
  Na  Na1  1  0.93  0.54  0.32  1.0
  Mn  Mn2  1  0.1  0.68  0.0  1.0
  Cr  Cr3  1  0.0  0.0  0.0  1.0

Na Na Mn Cr