The material structure described by CsOs2O9 crystallizes in the monoclinic Cc space group. Cs(1) is bonded in a 14-coordinate geometry to one O(1), one O(5), one O(8), one O(9), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(6), and two equivalent O(7) atoms. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and one O(5) atom. In the second Os site, Os(2) is bonded in a distorted trigonal bipyramidal geometry to one O(5), one O(6), one O(7), one O(8), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Cs(1) and one Os(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Cs(1), one Os(1), and one Os(2) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(2) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one Cs(1) and one Os(2) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Cs(1) and one Os(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CsOs2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.795
_cell_length_b   7.795
_cell_length_c   10.568
_cell_angle_alpha   71.159
_cell_angle_beta   71.155
_cell_angle_gamma   42.872
_symmetry_Int_Tables_number   1
_cell_volume   409.744
_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
  Cs  Cs0  1  0.360  0.336  0.773  1.0
  Cs  Cs1  1  0.336  0.360  0.273  1.0
  Os  Os2  1  0.030  0.965  0.502  1.0
  Os  Os3  1  0.965  0.030  0.002  1.0
  Os  Os4  1  0.618  0.746  0.624  1.0
  Os  Os5  1  0.746  0.618  0.124  1.0
  O  O6  1  0.131  0.092  0.376  1.0
  O  O7  1  0.092  0.130  0.876  1.0
  O  O8  1  0.984  0.004  0.666  1.0
  O  O9  1  0.004  0.984  0.166  1.0
  O  O10  1  0.162  0.674  0.484  1.0
  O  O11  1  0.674  0.162  0.984  1.0
  O  O12  1  0.721  0.161  0.476  1.0
  O  O13  1  0.161  0.721  0.976  1.0
  O  O14  1  0.436  0.702  0.538  1.0
  O  O15  1  0.702  0.436  0.038  1.0
  O  O16  1  0.770  0.752  0.710  1.0
  O  O17  1  0.752  0.770  0.210  1.0
  O  O18  1  0.371  0.067  0.575  1.0
  O  O19  1  0.067  0.370  0.075  1.0
  O  O20  1  0.545  0.595  0.753  1.0
  O  O21  1  0.595  0.545  0.253  1.0
  O  O22  1  0.854  0.579  0.494  1.0
  O  O23  1  0.579  0.854  0.994  1.0
[/CIF]
.
The material structure described by CsOs2O9 crystallizes in the monoclinic Cc space group. Cs(1) is bonded in a 14-coordinate geometry to one O(1), one O(5), one O(8), one O(9), two equivalent O(2), two equivalent O(3), two equivalent O(4), two equivalent O(6), and two equivalent O(7) atoms. There are two inequivalent Os sites. In the first Os site, Os(1) is bonded in a 5-coordinate geometry to one O(1), one O(2), one O(3), one O(4), and one O(5) atom. In the second Os site, Os(2) is bonded in a distorted trigonal bipyramidal geometry to one O(5), one O(6), one O(7), one O(8), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one Cs(1) and one Os(1) atom. In the second O site, O(2) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(1) atom. In the third O site, O(3) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Cs(1), one Os(1), and one Os(2) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(2) atom. In the seventh O site, O(7) is bonded in a single-bond geometry to two equivalent Cs(1) and one Os(2) atom. In the eighth O site, O(8) is bonded in a single-bond geometry to one Cs(1) and one Os(2) atom. In the ninth O site, O(9) is bonded in a single-bond geometry to one Cs(1) and one Os(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_CsOs2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.795
_cell_length_b   7.795
_cell_length_c   10.568
_cell_angle_alpha   71.159
_cell_angle_beta   71.155
_cell_angle_gamma   42.872
_symmetry_Int_Tables_number   1
_cell_volume   409.744
_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
  Cs  Cs0  1  0.360  0.336  0.773  1.0
  Cs  Cs1  1  0.336  0.360  0.273  1.0
  Os  Os2  1  0.030  0.965  0.502  1.0
  Os  Os3  1  0.965  0.030  0.002  1.0
  Os  Os4  1  0.618  0.746  0.624  1.0
  Os  Os5  1  0.746  0.618  0.124  1.0
  O  O6  1  0.131  0.092  0.376  1.0
  O  O7  1  0.092  0.130  0.876  1.0
  O  O8  1  0.984  0.004  0.666  1.0
  O  O9  1  0.004  0.984  0.166  1.0
  O  O10  1  0.162  0.674  0.484  1.0
  O  O11  1  0.674  0.162  0.984  1.0
  O  O12  1  0.721  0.161  0.476  1.0
  O  O13  1  0.161  0.721  0.976  1.0
  O  O14  1  0.436  0.702  0.538  1.0
  O  O15  1  0.702  0.436  0.038  1.0
  O  O16  1  0.770  0.752  0.710  1.0
  O  O17  1  0.752  0.770  0.210  1.0
  O  O18  1  0.371  0.067  0.575  1.0
  O  O19  1  0.067  0.370  0.075  1.0
  O  O20  1  0.545  0.595  0.753  1.0
  O  O21  1  0.595  0.545  0.253  1.0
  O  O22  1  0.854  0.579  0.494  1.0
  O  O23  1  0.579  0.854  0.994  1.0
[/CIF]
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