data_Li2VSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.53
_cell_length_b   5.53
_cell_length_c   5.53
_cell_angle_alpha   152.86
_cell_angle_beta   133.94
_cell_angle_gamma   54.29
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2VSi
_chemical_formula_sum   'Li2 V1 Si1'
_cell_volume   55.26
_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
  Li  Li0  1  0.3  0.0  0.2  1.0
  Li  Li1  1  0.0  0.16  0.72  1.0
  V  V3  1  0.0  0.0  0.92  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0

data_Li2VSi
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.6
_cell_length_b   4.33
_cell_length_c   5.53
_cell_angle_alpha   113.03
_cell_angle_beta   103.57
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Li2VSi
_chemical_formula_sum   'Li2 V1 Si1'
_cell_volume   55.26
_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
  Li  Li0  1  0.0  0.2  0.9  1.0
  Li  Li1  1  0.84  0.56  0.56  1.0
  V  V2  1  0.0  0.92  0.92  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0

Li Li V Si
Li Li V Si 0 2 o o - 0 3 o o o 1 3 o o + 1 2 o o o 2 3 o o + 