data_Mn2SiNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.01
_cell_length_b   3.86
_cell_length_c   3.91
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mn2SiNi
_chemical_formula_sum   'Mn2 Si1 Ni1'
_cell_volume   45.48
_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
  Mn  Mn0  1  0.0  0.93  0.95  1.0
  Mn  Mn1  1  0.51  0.93  0.0  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0
  Ni  Ni2  1  0.51  0.0  0.95  1.0

data_Mn2SiNi
_symmetry_space_group_name_H-M   Pm
_cell_length_a   3.86
_cell_length_b   3.01
_cell_length_c   3.91
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   6
_chemical_formula_structural   Mn2SiNi
_chemical_formula_sum   'Mn2 Si1 Ni1'
_cell_volume   45.48
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '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  0.93  0.0  0.95  1.0
  Mn  Mn1  1  0.93  0.5  0.0  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  Ni  Ni3  1  0.0  0.5  0.95  1.0

Mn Mn Si Ni