data_Y4Se3N2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.97
_cell_length_b   6.97
_cell_length_c   10.29
_cell_angle_alpha   127.48
_cell_angle_beta   127.48
_cell_angle_gamma   32.87
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y4Se3N2
_chemical_formula_sum   'Y4 Se3 N2'
_cell_volume   209.84
_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  0.97  0.0  0.1  1.0
  Y  Y1  1  0.88  0.0  0.85  1.0
  Y  Y2  1  0.92  0.0  0.21  1.0
  Y  Y3  1  0.93  0.0  0.74  1.0
  Se  Se4  1  0.0  0.0  0.0  1.0
  Se  Se5  1  0.2  0.0  0.16  1.0
  Se  Se6  1  0.65  0.0  0.79  1.0
  N  N7  1  0.29  0.0  0.89  1.0
  N  N8  1  0.56  0.0  0.07  1.0

data_Y4Se3N2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.95
_cell_length_b   6.97
_cell_length_c   8.2
_cell_angle_alpha   85.02
_cell_angle_beta   76.07
_cell_angle_gamma   73.57
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y4Se3N2
_chemical_formula_sum   'Y4 Se3 N2'
_cell_volume   209.84
_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  0.03  0.85  1.0
  Y  Y1  1  0.0  0.19  0.74  1.0
  Y  Y2  1  0.0  0.7  0.21  1.0
  Y  Y3  1  0.0  0.86  0.1  1.0
  Se  Se4  1  0.0  0.0  0.0  1.0
  Se  Se5  1  0.0  0.04  0.16  1.0
  Se  Se6  1  0.0  0.86  0.79  1.0
  N  N7  1  0.0  0.4  0.89  1.0
  N  N8  1  0.0  0.49  0.07  1.0

Y Y Y Y Se Se Se N N
Y Y Y Y Se Se Se N N 0 2 o o o 0 5 + o o 0 4 + o o 1 6 o o o 1 3 o o o 1 4 + o + 2 8 o o o 3 7 + o o 4 5 o o o 7 8 o o + 