data_Y2SnAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.22
_cell_length_b   6.22
_cell_length_c   6.22
_cell_angle_alpha   139.8
_cell_angle_beta   139.18
_cell_angle_gamma   58.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2SnAs
_chemical_formula_sum   'Y2 Sn1 As1'
_cell_volume   100.78
_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
  Y  Y2  1  0.0  0.0  0.01  1.0
  Y  Y3  1  0.14  0.0  0.75  1.0
  Sn  Sn1  1  0.0  0.17  0.69  1.0
  As  As0  1  0.0  0.0  0.4  1.0

data_Y2SnAs
_symmetry_space_group_name_H-M   P1
_cell_length_a   4.28
_cell_length_b   4.34
_cell_length_c   6.22
_cell_angle_alpha   110.41
_cell_angle_beta   110.1
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2SnAs
_chemical_formula_sum   'Y2 Sn1 As1'
_cell_volume   100.78
_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
  Y  Y0  1  0.0  0.01  0.01  1.0
  Y  Y1  1  0.0  0.75  0.61  1.0
  Sn  Sn2  1  0.83  0.52  0.52  1.0
  As  As3  1  0.0  0.4  0.4  1.0

Y Y Sn As