data_VSn2Se
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.5
_cell_length_b   7.5
_cell_length_c   7.5
_cell_angle_alpha   155.9
_cell_angle_beta   148.24
_cell_angle_gamma   40.26
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VSn2Se
_chemical_formula_sum   'V1 Sn2 Se1'
_cell_volume   90.46
_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
  V  V3  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.57  0.0  0.57  1.0
  Sn  Sn2  1  0.0  0.05  0.48  1.0
  Se  Se0  1  0.0  0.0  0.04  1.0

data_VSn2Se
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.13
_cell_length_b   4.1
_cell_length_c   7.5
_cell_angle_alpha   105.88
_cell_angle_beta   102.05
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   VSn2Se
_chemical_formula_sum   'V1 Sn2 Se1'
_cell_volume   90.46
_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
  V  V0  1  0.0  0.0  0.0  1.0
  Sn  Sn1  1  0.0  0.57  0.0  1.0
  Sn  Sn2  1  0.95  0.42  0.42  1.0
  Se  Se3  1  0.0  0.04  0.04  1.0

V Sn Sn Se