The material structure described by YCu crystallizes in the orthorhombic Pnma space group. Y(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 Y(1) and two equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_YCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.489
_cell_length_b   5.326
_cell_length_c   7.177
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   171.583
_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
  Y  Y0  1  0.250  0.367  0.682  1.0
  Y  Y1  1  0.250  0.133  0.182  1.0
  Y  Y2  1  0.750  0.633  0.318  1.0
  Y  Y3  1  0.750  0.867  0.818  1.0
  Cu  Cu4  1  0.250  0.877  0.531  1.0
  Cu  Cu5  1  0.250  0.623  0.031  1.0
  Cu  Cu6  1  0.750  0.123  0.469  1.0
  Cu  Cu7  1  0.750  0.377  0.969  1.0
[/CIF]
.
The material structure described by YCu crystallizes in the orthorhombic Pnma space group. Y(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 Y(1) and two equivalent Cu(1) atoms. is represented by the CIF file [CIF]
data_YCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.489
_cell_length_b   5.326
_cell_length_c   7.177
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   171.583
_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
  Y  Y0  1  0.250  0.367  0.682  1.0
  Y  Y1  1  0.250  0.133  0.182  1.0
  Y  Y2  1  0.750  0.633  0.318  1.0
  Y  Y3  1  0.750  0.867  0.818  1.0
  Cu  Cu4  1  0.250  0.877  0.531  1.0
  Cu  Cu5  1  0.250  0.623  0.031  1.0
  Cu  Cu6  1  0.750  0.123  0.469  1.0
  Cu  Cu7  1  0.750  0.377  0.969  1.0
[/CIF]
.