data_K2TaSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.01
_cell_length_b   6.19
_cell_length_c   5.05
_cell_angle_alpha   90.0
_cell_angle_beta   94.92
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2TaSi
_chemical_formula_sum   'K2 Ta1 Si1'
_cell_volume   93.67
_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  0.23  0.1  0.22  1.0
  K  K1  1  0.34  0.1  0.81  1.0
  Ta  Ta3  1  0.29  0.0  0.51  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0

data_K2TaSi
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.01
_cell_length_b   5.05
_cell_length_c   6.19
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   94.92
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2TaSi
_chemical_formula_sum   'K2 Ta1 Si1'
_cell_volume   93.67
_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  0.66  0.19  0.9  1.0
  K  K1  1  0.77  0.78  0.9  1.0
  Ta  Ta2  1  0.71  0.49  0.0  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0

K K Ta Si