data_YBiAs2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.77
_cell_length_b   5.77
_cell_length_c   5.77
_cell_angle_alpha   134.54
_cell_angle_beta   134.54
_cell_angle_gamma   66.25
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YBiAs2
_chemical_formula_sum   'Y1 Bi1 As2'
_cell_volume   95.89
_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  Y3  1  0.0  0.0  0.0  1.0
  Bi  Bi2  1  0.0  0.0  0.83  1.0
  As  As0  1  0.23  0.0  0.41  1.0
  As  As1  1  0.0  0.23  0.41  1.0

data_YBiAs2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.3
_cell_length_b   6.3
_cell_length_c   5.77
_cell_angle_alpha   90.0
_cell_angle_beta   123.13
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   YBiAs2
_chemical_formula_sum   'Y2 Bi2 As4'
_cell_volume   191.77
_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
  Y  Y0  2  0.0  0.0  0.0  1.0
  Bi  Bi1  2  0.0  0.0  0.83  1.0
  As  As2  4  0.39  0.39  0.19  1.0

Y Bi As As
Y Bi As As 0 1 o o - 2 3 o o o 