The compound described by UCoGe is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. U(1) is bonded to six equivalent Co(1) and six equivalent Ge(1) atoms to form a mixture of edge and face-sharing UCo6Ge6 cuboctahedra. Co(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent Ge(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent Co(1) atoms. is represented by the CIF file [CIF]
data_UCoGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.176
_cell_length_b   4.176
_cell_length_c   6.811
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.998
_symmetry_Int_Tables_number   1
_cell_volume   102.850
_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
  U  U0  1  0.000  0.000  0.500  1.0
  U  U1  1  0.000  0.000  0.000  1.0
  Co  Co2  1  0.667  0.333  0.750  1.0
  Co  Co3  1  0.333  0.667  0.250  1.0
  Ge  Ge4  1  0.333  0.667  0.750  1.0
  Ge  Ge5  1  0.667  0.333  0.250  1.0
[/CIF]
.
The compound described by UCoGe is hexagonal omega structure-derived structured and crystallizes in the hexagonal P6_3/mmc space group. U(1) is bonded to six equivalent Co(1) and six equivalent Ge(1) atoms to form a mixture of edge and face-sharing UCo6Ge6 cuboctahedra. Co(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent Ge(1) atoms. Ge(1) is bonded in a 9-coordinate geometry to six equivalent U(1) and three equivalent Co(1) atoms. is represented by the CIF file [CIF]
data_UCoGe
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.176
_cell_length_b   4.176
_cell_length_c   6.811
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   119.998
_symmetry_Int_Tables_number   1
_cell_volume   102.850
_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
  U  U0  1  0.000  0.000  0.500  1.0
  U  U1  1  0.000  0.000  0.000  1.0
  Co  Co2  1  0.667  0.333  0.750  1.0
  Co  Co3  1  0.333  0.667  0.250  1.0
  Ge  Ge4  1  0.333  0.667  0.750  1.0
  Ge  Ge5  1  0.667  0.333  0.250  1.0
[/CIF]
.