The structure described by La3Rh4Ge4 crystallizes in the orthorhombic Immm space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 14-coordinate geometry to four equivalent Rh(1), four equivalent Rh(2), two equivalent Ge(1), and four equivalent Ge(2) atoms. In the second La site, La(2) is bonded to four equivalent Rh(1) and eight equivalent Ge(1) atoms to form a mixture of edge and face-sharing LaGe8Rh4 cuboctahedra. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to two equivalent La(2), four equivalent La(1), one Ge(2), and two equivalent Ge(1) atoms. In the second Rh site, Rh(2) is bonded to four equivalent La(1) and four equivalent Ge(2) atoms to form a mixture of distorted edge and face-sharing RhLa4Ge4 tetrahedra. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent La(1), four equivalent La(2), two equivalent Rh(1), and one Ge(1) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to four equivalent La(1), one Rh(1), and four equivalent Rh(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_La3(GeRh)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.191
_cell_length_b   4.249
_cell_length_c   13.017
_cell_angle_alpha   99.392
_cell_angle_beta   99.264
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   225.624
_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
  La  La0  1  0.856  0.356  0.712  1.0
  La  La1  1  0.144  0.644  0.288  1.0
  La  La2  1  0.000  0.000  0.000  1.0
  Ge  Ge3  1  0.450  0.450  0.901  1.0
  Ge  Ge4  1  0.550  0.550  0.099  1.0
  Ge  Ge5  1  0.301  0.801  0.602  1.0
  Ge  Ge6  1  0.699  0.199  0.398  1.0
  Rh  Rh7  1  0.399  0.899  0.798  1.0
  Rh  Rh8  1  0.250  0.250  0.500  1.0
  Rh  Rh9  1  0.750  0.750  0.500  1.0
  Rh  Rh10  1  0.601  0.101  0.202  1.0
[/CIF]
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The structure described by La3Rh4Ge4 crystallizes in the orthorhombic Immm space group. There are two inequivalent La sites. In the first La site, La(1) is bonded in a 14-coordinate geometry to four equivalent Rh(1), four equivalent Rh(2), two equivalent Ge(1), and four equivalent Ge(2) atoms. In the second La site, La(2) is bonded to four equivalent Rh(1) and eight equivalent Ge(1) atoms to form a mixture of edge and face-sharing LaGe8Rh4 cuboctahedra. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to two equivalent La(2), four equivalent La(1), one Ge(2), and two equivalent Ge(1) atoms. In the second Rh site, Rh(2) is bonded to four equivalent La(1) and four equivalent Ge(2) atoms to form a mixture of distorted edge and face-sharing RhLa4Ge4 tetrahedra. There are two inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent La(1), four equivalent La(2), two equivalent Rh(1), and one Ge(1) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to four equivalent La(1), one Rh(1), and four equivalent Rh(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_La3(GeRh)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.191
_cell_length_b   4.249
_cell_length_c   13.017
_cell_angle_alpha   99.392
_cell_angle_beta   99.264
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   225.624
_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
  La  La0  1  0.856  0.356  0.712  1.0
  La  La1  1  0.144  0.644  0.288  1.0
  La  La2  1  0.000  0.000  0.000  1.0
  Ge  Ge3  1  0.450  0.450  0.901  1.0
  Ge  Ge4  1  0.550  0.550  0.099  1.0
  Ge  Ge5  1  0.301  0.801  0.602  1.0
  Ge  Ge6  1  0.699  0.199  0.398  1.0
  Rh  Rh7  1  0.399  0.899  0.798  1.0
  Rh  Rh8  1  0.250  0.250  0.500  1.0
  Rh  Rh9  1  0.750  0.750  0.500  1.0
  Rh  Rh10  1  0.601  0.101  0.202  1.0
[/CIF]
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