data_K2Os
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   18.01
_cell_length_b   18.01
_cell_length_c   3.91
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   169.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2Os
_chemical_formula_sum   'K4 Os2'
_cell_volume   228.42
_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
  K  K0  1  0.63  0.92  0.93  1.0
  K  K1  1  0.63  0.0  0.93  1.0
  K  K2  1  0.63  1.0  0.98  1.0
  K  K3  1  0.63  0.08  0.98  1.0
  Os  Os4  1  0.63  0.87  0.93  1.0
  Os  Os5  1  0.63  0.13  0.98  1.0

data_K2Os
_symmetry_space_group_name_H-M   P-1
_cell_length_a   3.26
_cell_length_b   3.91
_cell_length_c   18.01
_cell_angle_alpha   90.0
_cell_angle_beta   95.19
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   2
_chemical_formula_structural   K2Os
_chemical_formula_sum   'K4 Os2'
_cell_volume   228.42
_cell_formula_units_Z   2
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
  K  K0  2  0.0  0.02  0.0  1.0
  K  K1  2  0.08  0.98  0.08  1.0
  Os  Os2  2  0.13  0.98  0.13  1.0

K K K K Os Os