The material described by U3Fe2Ge7 crystallizes in the orthorhombic Cmmm space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 14-coordinate geometry to two equivalent Fe(1), four equivalent Ge(1), four equivalent Ge(3), and four equivalent Ge(4) atoms. In the second U site, U(2) is bonded in a 14-coordinate geometry to four equivalent Fe(1), two equivalent Ge(3), two equivalent Ge(4), and six equivalent Ge(2) atoms. Fe(1) is bonded in a 5-coordinate geometry to one U(1), four equivalent U(2), one Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a distorted square co-planar geometry to four equivalent U(1) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to six equivalent U(2), one Fe(1), and two equivalent Ge(2) atoms. In the third Ge site, Ge(3) is bonded in a 2-coordinate geometry to two equivalent U(1), two equivalent U(2), and two equivalent Fe(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 2-coordinate geometry to two equivalent U(1), two equivalent U(2), and two equivalent Fe(1) atoms. is represented by the CIF card [CIF]
data_U3Fe2Ge7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.525
_cell_length_b   12.525
_cell_length_c   4.224
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   160.843
_symmetry_Int_Tables_number   1
_cell_volume   217.409
_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
  U  U0  1  0.000  0.000  0.000  1.0
  U  U1  1  0.315  0.685  0.500  1.0
  U  U2  1  0.685  0.315  0.500  1.0
  Fe  Fe3  1  0.126  0.874  0.000  1.0
  Fe  Fe4  1  0.874  0.126  0.000  1.0
  Ge  Ge5  1  0.500  0.500  0.500  1.0
  Ge  Ge6  1  0.220  0.780  0.000  1.0
  Ge  Ge7  1  0.780  0.220  0.000  1.0
  Ge  Ge8  1  0.413  0.587  0.000  1.0
  Ge  Ge9  1  0.587  0.413  0.000  1.0
  Ge  Ge10  1  0.087  0.913  0.500  1.0
  Ge  Ge11  1  0.913  0.087  0.500  1.0
[/CIF]
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The material described by U3Fe2Ge7 crystallizes in the orthorhombic Cmmm space group. There are two inequivalent U sites. In the first U site, U(1) is bonded in a 14-coordinate geometry to two equivalent Fe(1), four equivalent Ge(1), four equivalent Ge(3), and four equivalent Ge(4) atoms. In the second U site, U(2) is bonded in a 14-coordinate geometry to four equivalent Fe(1), two equivalent Ge(3), two equivalent Ge(4), and six equivalent Ge(2) atoms. Fe(1) is bonded in a 5-coordinate geometry to one U(1), four equivalent U(2), one Ge(2), two equivalent Ge(3), and two equivalent Ge(4) atoms. There are four inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a distorted square co-planar geometry to four equivalent U(1) atoms. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to six equivalent U(2), one Fe(1), and two equivalent Ge(2) atoms. In the third Ge site, Ge(3) is bonded in a 2-coordinate geometry to two equivalent U(1), two equivalent U(2), and two equivalent Fe(1) atoms. In the fourth Ge site, Ge(4) is bonded in a 2-coordinate geometry to two equivalent U(1), two equivalent U(2), and two equivalent Fe(1) atoms. is represented by the CIF card [CIF]
data_U3Fe2Ge7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   12.525
_cell_length_b   12.525
_cell_length_c   4.224
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   160.843
_symmetry_Int_Tables_number   1
_cell_volume   217.409
_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
  U  U0  1  0.000  0.000  0.000  1.0
  U  U1  1  0.315  0.685  0.500  1.0
  U  U2  1  0.685  0.315  0.500  1.0
  Fe  Fe3  1  0.126  0.874  0.000  1.0
  Fe  Fe4  1  0.874  0.126  0.000  1.0
  Ge  Ge5  1  0.500  0.500  0.500  1.0
  Ge  Ge6  1  0.220  0.780  0.000  1.0
  Ge  Ge7  1  0.780  0.220  0.000  1.0
  Ge  Ge8  1  0.413  0.587  0.000  1.0
  Ge  Ge9  1  0.587  0.413  0.000  1.0
  Ge  Ge10  1  0.087  0.913  0.500  1.0
  Ge  Ge11  1  0.913  0.087  0.500  1.0
[/CIF]
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