data_Y2C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.37
_cell_length_b   5.37
_cell_length_c   5.37
_cell_angle_alpha   110.74
_cell_angle_beta   110.74
_cell_angle_gamma   106.96
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2C
_chemical_formula_sum   'Y4 C2'
_cell_volume   118.86
_cell_formula_units_Z   2
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  0.23  0.82  0.0  1.0
  Y  Y3  1  0.82  0.23  0.19  1.0
  Y  Y4  1  0.28  0.23  0.0  1.0
  Y  Y5  1  0.77  0.82  0.19  1.0
  C  C0  1  0.0  0.0  0.79  1.0
  C  C1  1  0.0  0.0  0.6  1.0

data_Y2C
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.37
_cell_length_b   5.37
_cell_length_c   5.37
_cell_angle_alpha   106.96
_cell_angle_beta   110.74
_cell_angle_gamma   110.74
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Y2C
_chemical_formula_sum   'Y4 C2'
_cell_volume   118.86
_cell_formula_units_Z   2
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  0.23  0.82  1.0
  Y  Y1  1  -0.0  0.28  0.23  1.0
  Y  Y2  1  0.19  0.77  0.82  1.0
  Y  Y3  1  0.19  0.82  0.23  1.0
  C  C4  1  0.6  0.0  0.0  1.0
  C  C5  1  0.79  0.0  0.0  1.0

Y Y Y Y C C