data_K2SiOs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.06
_cell_length_b   4.06
_cell_length_c   9.37
_cell_angle_alpha   101.27
_cell_angle_beta   101.27
_cell_angle_gamma   59.02
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2SiOs
_chemical_formula_sum   'K2 Si1 Os1'
_cell_volume   129.04
_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
  K  K0  1  0.03  0.0  0.81  1.0
  K  K1  1  0.16  0.0  0.01  1.0
  Si  Si3  1  0.81  0.0  0.36  1.0
  Os  Os2  1  0.45  0.0  0.51  1.0

data_K2SiOs
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.0
_cell_length_b   4.06
_cell_length_c   9.37
_cell_angle_alpha   101.27
_cell_angle_beta   90.0
_cell_angle_gamma   119.51
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2SiOs
_chemical_formula_sum   'K2 Si1 Os1'
_cell_volume   129.04
_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
  K  K0  1  0.0  0.84  0.99  1.0
  K  K1  1  0.0  0.97  0.19  1.0
  Si  Si2  1  0.0  0.19  0.64  1.0
  Os  Os3  1  0.0  0.55  0.49  1.0

K K Si Os