The structure described by UMn2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. U(1) is bonded in a 16-coordinate geometry to four equivalent U(1) and twelve equivalent Mn(1) atoms. Mn(1) is bonded to six equivalent U(1) and six equivalent Mn(1) atoms to form a mixture of corner, edge, and face-sharing MnU6Mn6 cuboctahedra. is represented by the CIF file [CIF]
data_UMn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.168
_cell_length_b   5.169
_cell_length_c   5.169
_cell_angle_alpha   119.991
_cell_angle_beta   120.012
_cell_angle_gamma   89.984
_symmetry_Int_Tables_number   1
_cell_volume   97.643
_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  0.625  0.875  0.750  1.0
  U  U1  1  0.375  0.125  0.250  1.0
  Mn  Mn2  1  0.500  0.500  0.000  1.0
  Mn  Mn3  1  0.000  0.500  0.500  1.0
  Mn  Mn4  1  0.000  0.000  0.500  1.0
  Mn  Mn5  1  0.000  0.500  0.000  1.0
[/CIF]
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The structure described by UMn2 is Cubic Laves structured and crystallizes in the cubic Fd-3m space group. U(1) is bonded in a 16-coordinate geometry to four equivalent U(1) and twelve equivalent Mn(1) atoms. Mn(1) is bonded to six equivalent U(1) and six equivalent Mn(1) atoms to form a mixture of corner, edge, and face-sharing MnU6Mn6 cuboctahedra. is represented by the CIF file [CIF]
data_UMn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.168
_cell_length_b   5.169
_cell_length_c   5.169
_cell_angle_alpha   119.991
_cell_angle_beta   120.012
_cell_angle_gamma   89.984
_symmetry_Int_Tables_number   1
_cell_volume   97.643
_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  0.625  0.875  0.750  1.0
  U  U1  1  0.375  0.125  0.250  1.0
  Mn  Mn2  1  0.500  0.500  0.000  1.0
  Mn  Mn3  1  0.000  0.500  0.500  1.0
  Mn  Mn4  1  0.000  0.000  0.500  1.0
  Mn  Mn5  1  0.000  0.500  0.000  1.0
[/CIF]
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