data_K2BeSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.81
_cell_length_b   5.81
_cell_length_c   3.84
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   121.65
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2BeSi
_chemical_formula_sum   'K2 Be1 Si1'
_cell_volume   110.32
_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  K1  1  0.42  0.54  0.92  1.0
  K  K2  1  0.42  0.46  0.92  1.0
  Be  Be0  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.83  0.0  0.0  1.0

data_K2BeSi
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.84
_cell_length_b   5.67
_cell_length_c   5.81
_cell_angle_alpha   119.18
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2BeSi
_chemical_formula_sum   'K2 Be1 Si1'
_cell_volume   110.32
_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  0.92  0.46  0.88  1.0
  K  K1  1  0.92  0.54  0.95  1.0
  Be  Be2  1  0.0  0.0  0.0  1.0
  Si  Si3  1  0.0  0.0  0.83  1.0

K K Be Si