data_La2YCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.87
_cell_length_b   4.87
_cell_length_c   4.84
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   La2YCu
_chemical_formula_sum   'La2 Y1 Cu1'
_cell_volume   114.89
_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
  La  La1  1  0.0  0.44  0.42  1.0
  La  La2  1  0.44  0.0  0.42  1.0
  Y  Y3  1  0.44  0.44  0.0  1.0
  Cu  Cu0  1  0.0  0.0  0.0  1.0

data_La2YCu
_symmetry_space_group_name_H-M   Cm
_cell_length_a   6.89
_cell_length_b   6.89
_cell_length_c   4.84
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   La2YCu
_chemical_formula_sum   'La4 Y2 Cu2'
_cell_volume   229.79
_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
  La  La0  4  0.22  0.22  0.42  1.0
  Y  Y1  2  0.44  0.0  0.0  1.0
  Cu  Cu2  2  0.0  0.0  0.0  1.0

La La Y Cu
La2YCu crystallizes in the monoclinic Cm space group. La(1) is bonded in a 1-coordinate geometry to four equivalent Y(1) and four equivalent Cu(1) atoms. There are a spread of La(1)-Y(1) bond distances ranging from 2.94-3.93 Å. There are a spread of La(1)-Cu(1) bond distances ranging from 2.94-3.93 Å. Y(1) is bonded in a 12-coordinate geometry to eight equivalent La(1) and four equivalent Cu(1) atoms. There are a spread of Y(1)-Cu(1) bond distances ranging from 3.00-3.89 Å. Cu(1) is bonded in a 12-coordinate geometry to eight equivalent La(1) and four equivalent Y(1) atoms.