data_KLi2Be
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.46
_cell_length_b   3.46
_cell_length_c   8.33
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KLi2Be
_chemical_formula_sum   'K1 Li2 Be1'
_cell_volume   99.79
_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  0.73  0.73  0.89  1.0
  Li  Li2  1  0.0  0.0  0.75  1.0
  Li  Li3  1  0.73  0.73  0.52  1.0
  Be  Be0  1  0.0  0.0  0.34  1.0

data_KLi2Be
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.9
_cell_length_b   4.9
_cell_length_c   8.33
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   KLi2Be
_chemical_formula_sum   'K2 Li4 Be2'
_cell_volume   199.58
_cell_formula_units_Z   2
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
  K  K0  2  0.23  0.5  0.89  1.0
  Li  Li1  2  0.0  0.0  0.75  1.0
  Li  Li2  2  0.23  0.5  0.52  1.0
  Be  Be3  2  0.0  0.0  0.34  1.0

K Li Li Be
K Li Li Be 0 1 + + o 1 2 - - o 2 3 + + o 