data_MnOs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.95
_cell_length_b   4.95
_cell_length_c   3.99
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   148.79
_symmetry_Int_Tables_number   1
_chemical_formula_structural   MnOs
_chemical_formula_sum   'Mn2 Os2'
_cell_volume   50.53
_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  1  0.33  0.78  1.0  1.0
  Mn  Mn1  1  0.33  0.22  0.99  1.0
  Os  Os2  1  0.33  0.35  1.0  1.0
  Os  Os3  1  0.33  0.65  0.99  1.0

data_MnOs
_symmetry_space_group_name_H-M   P2/m
_cell_length_a   2.66
_cell_length_b   3.99
_cell_length_c   4.95
_cell_angle_alpha   90.0
_cell_angle_beta   105.6
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   10
_chemical_formula_structural   MnOs
_chemical_formula_sum   'Mn2 Os2'
_cell_volume   50.53
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, -z'
  3  '-x, y, -z'
  4  '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  0.22  0.0  0.22  1.0
  Os  Os1  2  0.35  0.0  0.35  1.0

Mn Mn Os Os