The material structure described by Ce5Ga2Ge crystallizes in the tetragonal I4/mcm space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to four equivalent Ga(1) and two equivalent Ge(1) atoms to form corner-sharing CeGa4Ge2 octahedra. The corner-sharing octahedral tilt angles range from 0-55°. In the second Ce site, Ce(2) is bonded in a 6-coordinate geometry to one Ce(2), three equivalent Ga(1), and two equivalent Ge(1) atoms. Ga(1) is bonded in a 9-coordinate geometry to two equivalent Ce(1), six equivalent Ce(2), and one Ga(1) atom. Ge(1) is bonded in a 10-coordinate geometry to two equivalent Ce(1) and eight equivalent Ce(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce5Ga2Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.009
_cell_length_b   8.009
_cell_length_c   8.415
_cell_angle_alpha   118.416
_cell_angle_beta   118.416
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   399.202
_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
  Ce  Ce0  1  0.500  0.500  0.000  1.0
  Ce  Ce1  1  0.000  0.000  0.000  1.0
  Ce  Ce2  1  0.984  0.836  0.320  1.0
  Ce  Ce3  1  0.336  0.484  0.320  1.0
  Ce  Ce4  1  0.836  0.336  0.320  1.0
  Ce  Ce5  1  0.484  0.984  0.320  1.0
  Ce  Ce6  1  0.016  0.164  0.680  1.0
  Ce  Ce7  1  0.664  0.516  0.680  1.0
  Ce  Ce8  1  0.164  0.664  0.680  1.0
  Ce  Ce9  1  0.516  0.016  0.680  1.0
  Ga  Ga10  1  0.621  0.879  0.000  1.0
  Ga  Ga11  1  0.379  0.121  0.000  1.0
  Ga  Ga12  1  0.879  0.379  0.000  1.0
  Ga  Ga13  1  0.121  0.621  0.000  1.0
  Ge  Ge14  1  0.750  0.750  0.500  1.0
  Ge  Ge15  1  0.250  0.250  0.500  1.0
[/CIF]
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The material structure described by Ce5Ga2Ge crystallizes in the tetragonal I4/mcm space group. There are two inequivalent Ce sites. In the first Ce site, Ce(1) is bonded to four equivalent Ga(1) and two equivalent Ge(1) atoms to form corner-sharing CeGa4Ge2 octahedra. The corner-sharing octahedral tilt angles range from 0-55°. In the second Ce site, Ce(2) is bonded in a 6-coordinate geometry to one Ce(2), three equivalent Ga(1), and two equivalent Ge(1) atoms. Ga(1) is bonded in a 9-coordinate geometry to two equivalent Ce(1), six equivalent Ce(2), and one Ga(1) atom. Ge(1) is bonded in a 10-coordinate geometry to two equivalent Ce(1) and eight equivalent Ce(2) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ce5Ga2Ge
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.009
_cell_length_b   8.009
_cell_length_c   8.415
_cell_angle_alpha   118.416
_cell_angle_beta   118.416
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   399.202
_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
  Ce  Ce0  1  0.500  0.500  0.000  1.0
  Ce  Ce1  1  0.000  0.000  0.000  1.0
  Ce  Ce2  1  0.984  0.836  0.320  1.0
  Ce  Ce3  1  0.336  0.484  0.320  1.0
  Ce  Ce4  1  0.836  0.336  0.320  1.0
  Ce  Ce5  1  0.484  0.984  0.320  1.0
  Ce  Ce6  1  0.016  0.164  0.680  1.0
  Ce  Ce7  1  0.664  0.516  0.680  1.0
  Ce  Ce8  1  0.164  0.664  0.680  1.0
  Ce  Ce9  1  0.516  0.016  0.680  1.0
  Ga  Ga10  1  0.621  0.879  0.000  1.0
  Ga  Ga11  1  0.379  0.121  0.000  1.0
  Ga  Ga12  1  0.879  0.379  0.000  1.0
  Ga  Ga13  1  0.121  0.621  0.000  1.0
  Ge  Ge14  1  0.750  0.750  0.500  1.0
  Ge  Ge15  1  0.250  0.250  0.500  1.0
[/CIF]
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