The material structure described by Ce3(RhSi)4 crystallizes in the orthorhombic Immm space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to four equivalent Rh(1) and eight equivalent Si(2) atoms to form a mixture of edge and face-sharing CeSi8Rh4 cuboctahedra. In the second Ce site, Ce(2) is bonded in a 14-coordinate geometry to four equivalent Rh(1), four equivalent Rh(2), two equivalent Si(2), and four equivalent Si(1) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to two equivalent Ce(1), four equivalent Ce(2), one Si(1), and two equivalent Si(2) atoms. In the second Rh site, Rh(2) is bonded to four equivalent Ce(2) and four equivalent Si(1) atoms to form a mixture of distorted edge and face-sharing RhCe4Si4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 5-coordinate geometry to four equivalent Ce(2), one Rh(1), and four equivalent Rh(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Ce(2), four equivalent Ce(1), two equivalent Rh(1), and one Si(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce3(SiRh)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.050
_cell_length_b   4.176
_cell_length_c   12.544
_cell_angle_alpha   80.412
_cell_angle_beta   80.700
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   206.360
_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
  Ce  Ce0  1  0.000  0.000  1.000  1.0
  Ce  Ce1  1  0.856  0.356  0.289  1.0
  Ce  Ce2  1  0.144  0.644  0.711  1.0
  Si  Si3  1  0.698  0.199  0.603  1.0
  Si  Si4  1  0.302  0.801  0.397  1.0
  Si  Si5  1  0.452  0.452  0.097  1.0
  Si  Si6  1  0.548  0.548  0.903  1.0
  Rh  Rh7  1  0.599  0.099  0.802  1.0
  Rh  Rh8  1  0.401  0.901  0.198  1.0
  Rh  Rh9  1  0.250  0.250  0.500  1.0
  Rh  Rh10  1  0.750  0.750  0.500  1.0
[/CIF]
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The material structure described by Ce3(RhSi)4 crystallizes in the orthorhombic Immm space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to four equivalent Rh(1) and eight equivalent Si(2) atoms to form a mixture of edge and face-sharing CeSi8Rh4 cuboctahedra. In the second Ce site, Ce(2) is bonded in a 14-coordinate geometry to four equivalent Rh(1), four equivalent Rh(2), two equivalent Si(2), and four equivalent Si(1) atoms. There are two inequivalent Rh sites. In the first Rh site, Rh(1) is bonded in a 9-coordinate geometry to two equivalent Ce(1), four equivalent Ce(2), one Si(1), and two equivalent Si(2) atoms. In the second Rh site, Rh(2) is bonded to four equivalent Ce(2) and four equivalent Si(1) atoms to form a mixture of distorted edge and face-sharing RhCe4Si4 tetrahedra. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 5-coordinate geometry to four equivalent Ce(2), one Rh(1), and four equivalent Rh(2) atoms. In the second Si site, Si(2) is bonded in a 9-coordinate geometry to two equivalent Ce(2), four equivalent Ce(1), two equivalent Rh(1), and one Si(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce3(SiRh)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.050
_cell_length_b   4.176
_cell_length_c   12.544
_cell_angle_alpha   80.412
_cell_angle_beta   80.700
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   206.360
_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
  Ce  Ce0  1  0.000  0.000  1.000  1.0
  Ce  Ce1  1  0.856  0.356  0.289  1.0
  Ce  Ce2  1  0.144  0.644  0.711  1.0
  Si  Si3  1  0.698  0.199  0.603  1.0
  Si  Si4  1  0.302  0.801  0.397  1.0
  Si  Si5  1  0.452  0.452  0.097  1.0
  Si  Si6  1  0.548  0.548  0.903  1.0
  Rh  Rh7  1  0.599  0.099  0.802  1.0
  Rh  Rh8  1  0.401  0.901  0.198  1.0
  Rh  Rh9  1  0.250  0.250  0.500  1.0
  Rh  Rh10  1  0.750  0.750  0.500  1.0
[/CIF]
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