The material described by LaCu crystallizes in the orthorhombic Pnma space group. La(1) is bonded in a 7-coordinate geometry to seven equivalent Cu(1) atoms. Cu(1) is bonded in a 9-coordinate geometry to seven equivalent La(1) and two equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_LaCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.622
_cell_length_b   5.622
_cell_length_c   7.576
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   196.831
_cell_formula_units_Z   4
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  La0  1  0.250  0.394  0.676  1.0
  La  La1  1  0.250  0.106  0.176  1.0
  La  La2  1  0.750  0.606  0.324  1.0
  La  La3  1  0.750  0.894  0.824  1.0
  Cu  Cu4  1  0.250  0.896  0.532  1.0
  Cu  Cu5  1  0.250  0.604  0.032  1.0
  Cu  Cu6  1  0.750  0.104  0.468  1.0
  Cu  Cu7  1  0.750  0.396  0.968  1.0
[/CIF]
.
The material described by LaCu crystallizes in the orthorhombic Pnma space group. La(1) is bonded in a 7-coordinate geometry to seven equivalent Cu(1) atoms. Cu(1) is bonded in a 9-coordinate geometry to seven equivalent La(1) and two equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_LaCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.622
_cell_length_b   5.622
_cell_length_c   7.576
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   196.831
_cell_formula_units_Z   4
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  La0  1  0.250  0.394  0.676  1.0
  La  La1  1  0.250  0.106  0.176  1.0
  La  La2  1  0.750  0.606  0.324  1.0
  La  La3  1  0.750  0.894  0.824  1.0
  Cu  Cu4  1  0.250  0.896  0.532  1.0
  Cu  Cu5  1  0.250  0.604  0.032  1.0
  Cu  Cu6  1  0.750  0.104  0.468  1.0
  Cu  Cu7  1  0.750  0.396  0.968  1.0
[/CIF]
.