The compound described by Ce8Ag6Ge8O crystallizes in the orthorhombic Pmc2_1 space group. There are eight inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 9-coordinate geometry to two equivalent Ag(4), two equivalent Ag(6), one Ge(3), one Ge(5), one Ge(7), and two equivalent Ge(2) atoms. In the second Ce site, Ce(2) is bonded in a distorted bent 120 degrees geometry to one Ge(4), one Ge(6), one Ge(8), two equivalent Ge(1), and two equivalent O(1) atoms. In the third Ce site, Ce(3) is bonded in a 12-coordinate geometry to one Ag(3), one Ag(5), two equivalent Ag(2), two equivalent Ag(6), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the fourth Ce site, Ce(4) is bonded in a 12-coordinate geometry to one Ag(4), one Ag(6), two equivalent Ag(1), two equivalent Ag(5), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(7) atoms. In the fifth Ce site, Ce(5) is bonded in a single-bond geometry to one Ag(1), two equivalent Ag(2), one Ge(3), two equivalent Ge(4), two equivalent Ge(8), and one O(1) atom. In the sixth Ce site, Ce(6) is bonded in a 9-coordinate geometry to one Ag(2), one Ag(6), two equivalent Ag(1), one Ge(4), two equivalent Ge(3), and two equivalent Ge(7) atoms. In the seventh Ce site, Ce(7) is bonded in a single-bond geometry to one Ag(1), two equivalent Ag(4), two equivalent Ge(2), two equivalent Ge(4), two equivalent Ge(6), and one O(1) atom. In the eighth Ce site, Ce(8) is bonded in a 10-coordinate geometry to one Ag(2), one Ag(4), two equivalent Ag(3), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 10-coordinate geometry to one Ce(5), one Ce(7), two equivalent Ce(4), two equivalent Ce(6), one Ge(5), one Ge(7), and two equivalent Ge(4) atoms. In the second Ag site, Ag(2) is bonded in a 10-coordinate geometry to one Ce(6), one Ce(8), two equivalent Ce(3), two equivalent Ce(5), one Ge(6), one Ge(8), and two equivalent Ge(3) atoms. In the third Ag site, Ag(3) is bonded in a 7-coordinate geometry to one Ce(3), two equivalent Ce(8), one Ge(1), one Ge(3), and two equivalent Ge(6) atoms. In the fourth Ag site, Ag(4) is bonded in a 10-coordinate geometry to one Ce(4), one Ce(8), two equivalent Ce(1), two equivalent Ce(7), one Ge(2), one Ge(4), and two equivalent Ge(5) atoms. In the fifth Ag site, Ag(5) is bonded in a 7-coordinate geometry to one Ce(3), two equivalent Ce(4), two equivalent Ag(6), one Ge(1), one Ge(7), and two equivalent Ge(8) atoms. In the sixth Ag site, Ag(6) is bonded in a 12-coordinate geometry to one Ce(4), one Ce(6), two equivalent Ce(1), two equivalent Ce(3), two equivalent Ag(5), one Ge(2), one Ge(8), and two equivalent Ge(7) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ce(2), two equivalent Ce(4), two equivalent Ce(8), one Ag(3), one Ag(5), and one Ge(5) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(3), two equivalent Ce(7), one Ag(4), one Ag(6), and one Ge(6) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one Ce(1), one Ce(5), two equivalent Ce(6), two equivalent Ce(8), one Ag(3), and two equivalent Ag(2) atoms. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Ce(2), one Ce(6), two equivalent Ce(5), two equivalent Ce(7), one Ag(4), and two equivalent Ag(1) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(4), two equivalent Ce(8), one Ag(1), two equivalent Ag(4), and one Ge(1) atom. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one Ce(2), two equivalent Ce(3), two equivalent Ce(7), one Ag(2), two equivalent Ag(3), and one Ge(2) atom. In the seventh Ge site, Ge(7) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(4), two equivalent Ce(6), one Ag(1), one Ag(5), and two equivalent Ag(6) atoms. In the eighth Ge site, Ge(8) is bonded in a 9-coordinate geometry to one Ce(2), two equivalent Ce(3), two equivalent Ce(5), one Ag(2), one Ag(6), and two equivalent Ag(5) atoms. O(1) is bonded to one Ce(5), one Ce(7), and two equivalent Ce(2) atoms to form corner-sharing OCe4 tetrahedra. is represented by the CIF card [CIF]
data_Ce8Ag6Ge8O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.399
_cell_length_b   11.091
_cell_length_c   20.698
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1009.882
_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  0.250  0.706  0.349  1.0
  Ce  Ce1  1  0.250  0.794  0.849  1.0
  Ce  Ce2  1  0.750  0.289  0.651  1.0
  Ce  Ce3  1  0.750  0.211  0.151  1.0
  Ce  Ce4  1  0.250  0.132  0.895  1.0
  Ce  Ce5  1  0.250  0.368  0.395  1.0
  Ce  Ce6  1  0.750  0.867  0.104  1.0
  Ce  Ce7  1  0.750  0.633  0.604  1.0
  Ce  Ce8  1  0.250  0.131  0.535  1.0
  Ce  Ce9  1  0.250  0.369  0.035  1.0
  Ce  Ce10  1  0.750  0.871  0.468  1.0
  Ce  Ce11  1  0.750  0.629  0.968  1.0
  Ce  Ce12  1  0.250  0.047  0.713  1.0
  Ce  Ce13  1  0.250  0.453  0.213  1.0
  Ce  Ce14  1  0.750  0.958  0.284  1.0
  Ce  Ce15  1  0.750  0.542  0.784  1.0
  Ag  Ag16  1  0.250  0.654  0.095  1.0
  Ag  Ag17  1  0.250  0.846  0.595  1.0
  Ag  Ag18  1  0.750  0.348  0.905  1.0
  Ag  Ag19  1  0.750  0.152  0.405  1.0
  Ag  Ag20  1  0.250  0.333  0.782  1.0
  Ag  Ag21  1  0.250  0.167  0.282  1.0
  Ag  Ag22  1  0.750  0.670  0.221  1.0
  Ag  Ag23  1  0.750  0.830  0.721  1.0
  Ag  Ag24  1  0.250  0.056  0.045  1.0
  Ag  Ag25  1  0.250  0.444  0.545  1.0
  Ag  Ag26  1  0.750  0.939  0.953  1.0
  Ag  Ag27  1  0.750  0.561  0.453  1.0
  Ge  Ge28  1  0.250  0.015  0.177  1.0
  Ge  Ge29  1  0.250  0.485  0.677  1.0
  Ge  Ge30  1  0.750  0.979  0.824  1.0
  Ge  Ge31  1  0.750  0.521  0.324  1.0
  Ge  Ge32  1  0.250  0.495  0.891  1.0
  Ge  Ge33  1  0.250  0.005  0.391  1.0
  Ge  Ge34  1  0.750  0.521  0.107  1.0
  Ge  Ge35  1  0.750  0.979  0.607  1.0
  Ge  Ge36  1  0.250  0.798  0.211  1.0
  Ge  Ge37  1  0.250  0.702  0.711  1.0
  Ge  Ge38  1  0.750  0.201  0.789  1.0
  Ge  Ge39  1  0.750  0.299  0.289  1.0
  Ge  Ge40  1  0.250  0.818  0.997  1.0
  Ge  Ge41  1  0.250  0.682  0.497  1.0
  Ge  Ge42  1  0.750  0.180  0.002  1.0
  Ge  Ge43  1  0.750  0.320  0.502  1.0
  O  O44  1  0.250  0.199  0.639  1.0
  O  O45  1  0.250  0.301  0.139  1.0
[/CIF]
.
The compound described by Ce8Ag6Ge8O crystallizes in the orthorhombic Pmc2_1 space group. There are eight inequivalent Ce sites. In the first Ce site, Ce(1) is bonded in a 9-coordinate geometry to two equivalent Ag(4), two equivalent Ag(6), one Ge(3), one Ge(5), one Ge(7), and two equivalent Ge(2) atoms. In the second Ce site, Ce(2) is bonded in a distorted bent 120 degrees geometry to one Ge(4), one Ge(6), one Ge(8), two equivalent Ge(1), and two equivalent O(1) atoms. In the third Ce site, Ce(3) is bonded in a 12-coordinate geometry to one Ag(3), one Ag(5), two equivalent Ag(2), two equivalent Ag(6), two equivalent Ge(2), two equivalent Ge(6), and two equivalent Ge(8) atoms. In the fourth Ce site, Ce(4) is bonded in a 12-coordinate geometry to one Ag(4), one Ag(6), two equivalent Ag(1), two equivalent Ag(5), two equivalent Ge(1), two equivalent Ge(5), and two equivalent Ge(7) atoms. In the fifth Ce site, Ce(5) is bonded in a single-bond geometry to one Ag(1), two equivalent Ag(2), one Ge(3), two equivalent Ge(4), two equivalent Ge(8), and one O(1) atom. In the sixth Ce site, Ce(6) is bonded in a 9-coordinate geometry to one Ag(2), one Ag(6), two equivalent Ag(1), one Ge(4), two equivalent Ge(3), and two equivalent Ge(7) atoms. In the seventh Ce site, Ce(7) is bonded in a single-bond geometry to one Ag(1), two equivalent Ag(4), two equivalent Ge(2), two equivalent Ge(4), two equivalent Ge(6), and one O(1) atom. In the eighth Ce site, Ce(8) is bonded in a 10-coordinate geometry to one Ag(2), one Ag(4), two equivalent Ag(3), two equivalent Ge(1), two equivalent Ge(3), and two equivalent Ge(5) atoms. There are six inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 10-coordinate geometry to one Ce(5), one Ce(7), two equivalent Ce(4), two equivalent Ce(6), one Ge(5), one Ge(7), and two equivalent Ge(4) atoms. In the second Ag site, Ag(2) is bonded in a 10-coordinate geometry to one Ce(6), one Ce(8), two equivalent Ce(3), two equivalent Ce(5), one Ge(6), one Ge(8), and two equivalent Ge(3) atoms. In the third Ag site, Ag(3) is bonded in a 7-coordinate geometry to one Ce(3), two equivalent Ce(8), one Ge(1), one Ge(3), and two equivalent Ge(6) atoms. In the fourth Ag site, Ag(4) is bonded in a 10-coordinate geometry to one Ce(4), one Ce(8), two equivalent Ce(1), two equivalent Ce(7), one Ge(2), one Ge(4), and two equivalent Ge(5) atoms. In the fifth Ag site, Ag(5) is bonded in a 7-coordinate geometry to one Ce(3), two equivalent Ce(4), two equivalent Ag(6), one Ge(1), one Ge(7), and two equivalent Ge(8) atoms. In the sixth Ag site, Ag(6) is bonded in a 12-coordinate geometry to one Ce(4), one Ce(6), two equivalent Ce(1), two equivalent Ce(3), two equivalent Ag(5), one Ge(2), one Ge(8), and two equivalent Ge(7) atoms. There are eight inequivalent Ge sites. In the first Ge site, Ge(1) is bonded in a 9-coordinate geometry to two equivalent Ce(2), two equivalent Ce(4), two equivalent Ce(8), one Ag(3), one Ag(5), and one Ge(5) atom. In the second Ge site, Ge(2) is bonded in a 9-coordinate geometry to two equivalent Ce(1), two equivalent Ce(3), two equivalent Ce(7), one Ag(4), one Ag(6), and one Ge(6) atom. In the third Ge site, Ge(3) is bonded in a 9-coordinate geometry to one Ce(1), one Ce(5), two equivalent Ce(6), two equivalent Ce(8), one Ag(3), and two equivalent Ag(2) atoms. In the fourth Ge site, Ge(4) is bonded in a 9-coordinate geometry to one Ce(2), one Ce(6), two equivalent Ce(5), two equivalent Ce(7), one Ag(4), and two equivalent Ag(1) atoms. In the fifth Ge site, Ge(5) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(4), two equivalent Ce(8), one Ag(1), two equivalent Ag(4), and one Ge(1) atom. In the sixth Ge site, Ge(6) is bonded in a 9-coordinate geometry to one Ce(2), two equivalent Ce(3), two equivalent Ce(7), one Ag(2), two equivalent Ag(3), and one Ge(2) atom. In the seventh Ge site, Ge(7) is bonded in a 9-coordinate geometry to one Ce(1), two equivalent Ce(4), two equivalent Ce(6), one Ag(1), one Ag(5), and two equivalent Ag(6) atoms. In the eighth Ge site, Ge(8) is bonded in a 9-coordinate geometry to one Ce(2), two equivalent Ce(3), two equivalent Ce(5), one Ag(2), one Ag(6), and two equivalent Ag(5) atoms. O(1) is bonded to one Ce(5), one Ce(7), and two equivalent Ce(2) atoms to form corner-sharing OCe4 tetrahedra. is represented by the CIF card [CIF]
data_Ce8Ag6Ge8O
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.399
_cell_length_b   11.091
_cell_length_c   20.698
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   1009.882
_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  0.250  0.706  0.349  1.0
  Ce  Ce1  1  0.250  0.794  0.849  1.0
  Ce  Ce2  1  0.750  0.289  0.651  1.0
  Ce  Ce3  1  0.750  0.211  0.151  1.0
  Ce  Ce4  1  0.250  0.132  0.895  1.0
  Ce  Ce5  1  0.250  0.368  0.395  1.0
  Ce  Ce6  1  0.750  0.867  0.104  1.0
  Ce  Ce7  1  0.750  0.633  0.604  1.0
  Ce  Ce8  1  0.250  0.131  0.535  1.0
  Ce  Ce9  1  0.250  0.369  0.035  1.0
  Ce  Ce10  1  0.750  0.871  0.468  1.0
  Ce  Ce11  1  0.750  0.629  0.968  1.0
  Ce  Ce12  1  0.250  0.047  0.713  1.0
  Ce  Ce13  1  0.250  0.453  0.213  1.0
  Ce  Ce14  1  0.750  0.958  0.284  1.0
  Ce  Ce15  1  0.750  0.542  0.784  1.0
  Ag  Ag16  1  0.250  0.654  0.095  1.0
  Ag  Ag17  1  0.250  0.846  0.595  1.0
  Ag  Ag18  1  0.750  0.348  0.905  1.0
  Ag  Ag19  1  0.750  0.152  0.405  1.0
  Ag  Ag20  1  0.250  0.333  0.782  1.0
  Ag  Ag21  1  0.250  0.167  0.282  1.0
  Ag  Ag22  1  0.750  0.670  0.221  1.0
  Ag  Ag23  1  0.750  0.830  0.721  1.0
  Ag  Ag24  1  0.250  0.056  0.045  1.0
  Ag  Ag25  1  0.250  0.444  0.545  1.0
  Ag  Ag26  1  0.750  0.939  0.953  1.0
  Ag  Ag27  1  0.750  0.561  0.453  1.0
  Ge  Ge28  1  0.250  0.015  0.177  1.0
  Ge  Ge29  1  0.250  0.485  0.677  1.0
  Ge  Ge30  1  0.750  0.979  0.824  1.0
  Ge  Ge31  1  0.750  0.521  0.324  1.0
  Ge  Ge32  1  0.250  0.495  0.891  1.0
  Ge  Ge33  1  0.250  0.005  0.391  1.0
  Ge  Ge34  1  0.750  0.521  0.107  1.0
  Ge  Ge35  1  0.750  0.979  0.607  1.0
  Ge  Ge36  1  0.250  0.798  0.211  1.0
  Ge  Ge37  1  0.250  0.702  0.711  1.0
  Ge  Ge38  1  0.750  0.201  0.789  1.0
  Ge  Ge39  1  0.750  0.299  0.289  1.0
  Ge  Ge40  1  0.250  0.818  0.997  1.0
  Ge  Ge41  1  0.250  0.682  0.497  1.0
  Ge  Ge42  1  0.750  0.180  0.002  1.0
  Ge  Ge43  1  0.750  0.320  0.502  1.0
  O  O44  1  0.250  0.199  0.639  1.0
  O  O45  1  0.250  0.301  0.139  1.0
[/CIF]
.