The crystal structure described by Ag9Ge2O8I crystallizes in the monoclinic C2/m space group. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a trigonal non-coplanar geometry to one O(1) and two equivalent O(2) atoms. In the second Ag site, Ag(2) is bonded in a linear geometry to two equivalent O(2) and two equivalent I(1) atoms. In the third Ag site, Ag(3) is bonded in a 3-coordinate geometry to one O(1), one O(2), one O(3), and one I(1) atom. In the fourth Ag site, Ag(4) is bonded in a linear geometry to two equivalent O(3) and two equivalent I(1) atoms. Ge(1) is bonded in a tetrahedral geometry to one O(1), one O(3), and two equivalent O(2) atoms. There are three inequivalent O sites. In the first O site, O(1) is bonded to one Ag(1), two equivalent Ag(3), and one Ge(1) atom to form corner-sharing OAg3Ge tetrahedra. In the second O site, O(2) is bonded to one Ag(1), one Ag(2), one Ag(3), and one Ge(1) atom to form corner-sharing OAg3Ge tetrahedra. In the third O site, O(3) is bonded to one Ag(4), two equivalent Ag(3), and one Ge(1) atom to form corner-sharing OAg3Ge tetrahedra. I(1) is bonded in a distorted q6 geometry to two equivalent Ag(4), four equivalent Ag(2), and four equivalent Ag(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ag9Ge2IO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.644
_cell_length_b   9.644
_cell_length_c   5.779
_cell_angle_alpha   75.331
_cell_angle_beta   75.331
_cell_angle_gamma   42.631
_symmetry_Int_Tables_number   1
_cell_volume   350.304
_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
  Ag  Ag0  1  0.821  0.821  0.716  1.0
  Ag  Ag1  1  0.719  0.281  0.500  1.0
  Ag  Ag2  1  0.179  0.179  0.284  1.0
  Ag  Ag3  1  0.401  0.954  0.709  1.0
  Ag  Ag4  1  0.954  0.401  0.709  1.0
  Ag  Ag5  1  0.500  0.500  0.000  1.0
  Ag  Ag6  1  0.046  0.599  0.291  1.0
  Ag  Ag7  1  0.599  0.046  0.291  1.0
  Ag  Ag8  1  0.281  0.719  0.500  1.0
  Ge  Ge9  1  0.341  0.341  0.785  1.0
  Ge  Ge10  1  0.659  0.659  0.215  1.0
  I  I11  1  0.000  0.000  0.000  1.0
  O  O12  1  0.762  0.762  0.126  1.0
  O  O13  1  0.238  0.238  0.874  1.0
  O  O14  1  0.580  0.170  0.602  1.0
  O  O15  1  0.830  0.420  0.398  1.0
  O  O16  1  0.626  0.626  0.951  1.0
  O  O17  1  0.170  0.580  0.602  1.0
  O  O18  1  0.374  0.374  0.049  1.0
  O  O19  1  0.420  0.830  0.398  1.0
[/CIF]
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The crystal structure described by Ag9Ge2O8I crystallizes in the monoclinic C2/m space group. There are four inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a trigonal non-coplanar geometry to one O(1) and two equivalent O(2) atoms. In the second Ag site, Ag(2) is bonded in a linear geometry to two equivalent O(2) and two equivalent I(1) atoms. In the third Ag site, Ag(3) is bonded in a 3-coordinate geometry to one O(1), one O(2), one O(3), and one I(1) atom. In the fourth Ag site, Ag(4) is bonded in a linear geometry to two equivalent O(3) and two equivalent I(1) atoms. Ge(1) is bonded in a tetrahedral geometry to one O(1), one O(3), and two equivalent O(2) atoms. There are three inequivalent O sites. In the first O site, O(1) is bonded to one Ag(1), two equivalent Ag(3), and one Ge(1) atom to form corner-sharing OAg3Ge tetrahedra. In the second O site, O(2) is bonded to one Ag(1), one Ag(2), one Ag(3), and one Ge(1) atom to form corner-sharing OAg3Ge tetrahedra. In the third O site, O(3) is bonded to one Ag(4), two equivalent Ag(3), and one Ge(1) atom to form corner-sharing OAg3Ge tetrahedra. I(1) is bonded in a distorted q6 geometry to two equivalent Ag(4), four equivalent Ag(2), and four equivalent Ag(3) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_Ag9Ge2IO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.644
_cell_length_b   9.644
_cell_length_c   5.779
_cell_angle_alpha   75.331
_cell_angle_beta   75.331
_cell_angle_gamma   42.631
_symmetry_Int_Tables_number   1
_cell_volume   350.304
_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
  Ag  Ag0  1  0.821  0.821  0.716  1.0
  Ag  Ag1  1  0.719  0.281  0.500  1.0
  Ag  Ag2  1  0.179  0.179  0.284  1.0
  Ag  Ag3  1  0.401  0.954  0.709  1.0
  Ag  Ag4  1  0.954  0.401  0.709  1.0
  Ag  Ag5  1  0.500  0.500  0.000  1.0
  Ag  Ag6  1  0.046  0.599  0.291  1.0
  Ag  Ag7  1  0.599  0.046  0.291  1.0
  Ag  Ag8  1  0.281  0.719  0.500  1.0
  Ge  Ge9  1  0.341  0.341  0.785  1.0
  Ge  Ge10  1  0.659  0.659  0.215  1.0
  I  I11  1  0.000  0.000  0.000  1.0
  O  O12  1  0.762  0.762  0.126  1.0
  O  O13  1  0.238  0.238  0.874  1.0
  O  O14  1  0.580  0.170  0.602  1.0
  O  O15  1  0.830  0.420  0.398  1.0
  O  O16  1  0.626  0.626  0.951  1.0
  O  O17  1  0.170  0.580  0.602  1.0
  O  O18  1  0.374  0.374  0.049  1.0
  O  O19  1  0.420  0.830  0.398  1.0
[/CIF]
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