data_Y2MnAs
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.03
_cell_length_b   5.72
_cell_length_c   5.72
_cell_angle_alpha   40.46
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2MnAs
_chemical_formula_sum   'Y2 Mn1 As1'
_cell_volume   85.69
_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  0.01  0.0  0.51  1.0
  Y  Y3  1  0.0  0.0  0.48  1.0
  Mn  Mn1  1  0.0  0.0  0.44  1.0
  As  As0  1  0.01  0.0  0.94  1.0

data_Y2MnAs
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.96
_cell_length_b   4.03
_cell_length_c   5.72
_cell_angle_alpha   90.0
_cell_angle_beta   110.23
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2MnAs
_chemical_formula_sum   'Y2 Mn1 As1'
_cell_volume   85.69
_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  0.49  0.01  0.49  1.0
  Y  Y1  1  0.52  0.0  0.52  1.0
  Mn  Mn2  1  0.56  0.0  0.56  1.0
  As  As3  1  0.06  0.01  0.06  1.0

Y Y Mn As