data_Co2S
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.78
_cell_length_b   4.78
_cell_length_c   3.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Co2S
_chemical_formula_sum   'Co4 S2'
_cell_volume   77.46
_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
  Co  Co0  1  0.48  0.48  0.0  1.0
  Co  Co1  1  0.3  0.3  0.0  1.0
  Co  Co2  1  0.87  0.91  0.7  1.0
  Co  Co3  1  0.91  0.87  0.7  1.0
  S  S4  1  0.0  0.0  0.0  1.0
  S  S5  1  0.39  0.39  0.7  1.0

data_Co2S
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.76
_cell_length_b   6.76
_cell_length_c   3.39
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   Co2S
_chemical_formula_sum   'Co8 S4'
_cell_volume   154.93
_cell_formula_units_Z   4
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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
  Co  Co0  4  0.39  0.48  0.7  1.0
  Co  Co1  2  0.3  0.0  -0.0  1.0
  Co  Co2  2  0.48  0.0  -0.0  1.0
  S  S3  2  0.0  0.0  0.0  1.0
  S  S4  2  0.39  0.0  0.7  1.0

Co Co Co Co S S