The material structure described by Os3C9Se2O9 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two Os3C9Se2O9 clusters. There are three inequivalent Os sites. In the first Os site, Os(1) is bonded in a 5-coordinate geometry to one C(5), one C(8), one C(9), one Se(1), and one Se(2) atom. In the second Os site, Os(2) is bonded in a 5-coordinate geometry to one C(1), one C(6), one C(7), one Se(1), and one Se(2) atom. In the third Os site, Os(3) is bonded in a 5-coordinate geometry to one C(2), one C(3), one C(4), one Se(1), and one Se(2) atom. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one Os(2) and one O(7) atom. In the second C site, C(2) is bonded in a linear geometry to one Os(3) and one O(3,4) atom. In the third C site, C(3) is bonded in a linear geometry to one Os(3) and one O(2) atom. In the fourth C site, C(4) is bonded in a linear geometry to one Os(3) and one O(9) atom. In the fifth C site, C(5) is bonded in a linear geometry to one Os(1) and one O(6) atom. In the sixth C site, C(6) is bonded in a linear geometry to one Os(2) and one O(5,8) atom. In the seventh C site, C(7) is bonded in a linear geometry to one Os(2) and one O(5,8) atom. In the eighth C site, C(8) is bonded in a linear geometry to one Os(1) and one O(1) atom. In the ninth C site, C(9) is bonded in a distorted linear geometry to one Os(1) and one O(3,4) atom. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a 3-coordinate geometry to one Os(1), one Os(2), and one Os(3) atom. In the second Se site, Se(2) is bonded in a 3-coordinate geometry to one Os(1), one Os(2), and one Os(3) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(8) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(3) atom. In the third O site, O(3,4) is bonded in a single-bond geometry to one C(2) atom. In the fourth O site, O(5,8) is bonded in a single-bond geometry to one C(7) atom. In the fifth O site, O(6) is bonded in a single-bond geometry to one C(5) atom. In the sixth O site, O(7) is bonded in a single-bond geometry to one C(1) atom. In the seventh O site, O(9) is bonded in a single-bond geometry to one C(4) atom. is represented by the CIF file [CIF]
data_Os3C9Se2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.906
_cell_length_b   9.757
_cell_length_c   13.702
_cell_angle_alpha   94.238
_cell_angle_beta   95.723
_cell_angle_gamma   110.424
_symmetry_Int_Tables_number   1
_cell_volume   854.979
_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
  Os  Os0  1  0.282  0.694  0.343  1.0
  Os  Os1  1  0.568  0.234  0.844  1.0
  Os  Os2  1  0.108  0.393  0.242  1.0
  Os  Os3  1  0.432  0.766  0.156  1.0
  Os  Os4  1  0.718  0.306  0.657  1.0
  Os  Os5  1  0.892  0.607  0.758  1.0
  C  C6  1  0.277  0.117  0.816  1.0
  C  C7  1  0.176  0.692  0.734  1.0
  C  C8  1  0.188  0.267  0.325  1.0
  C  C9  1  0.072  0.275  0.122  1.0
  C  C10  1  0.714  0.412  0.545  1.0
  C  C11  1  0.363  0.933  0.121  1.0
  C  C12  1  0.559  0.306  0.975  1.0
  C  C13  1  0.918  0.229  0.614  1.0
  C  C14  1  0.441  0.694  0.025  1.0
  C  C15  1  0.824  0.308  0.266  1.0
  C  C16  1  0.286  0.588  0.455  1.0
  C  C17  1  0.812  0.733  0.675  1.0
  C  C18  1  0.510  0.874  0.388  1.0
  C  C19  1  0.723  0.883  0.184  1.0
  C  C20  1  0.928  0.725  0.878  1.0
  C  C21  1  0.490  0.126  0.612  1.0
  C  C22  1  0.637  0.067  0.879  1.0
  C  C23  1  0.082  0.771  0.386  1.0
  Se  Se24  1  0.510  0.437  0.751  1.0
  Se  Se25  1  0.945  0.384  0.827  1.0
  Se  Se26  1  0.055  0.616  0.173  1.0
  Se  Se27  1  0.490  0.563  0.249  1.0
  O  O28  1  0.959  0.816  0.411  1.0
  O  O29  1  0.762  0.808  0.624  1.0
  O  O30  1  0.238  0.192  0.376  1.0
  O  O31  1  0.652  0.253  0.280  1.0
  O  O32  1  0.647  0.983  0.418  1.0
  O  O33  1  0.560  0.355  0.055  1.0
  O  O34  1  0.440  0.645  0.945  1.0
  O  O35  1  0.292  0.526  0.524  1.0
  O  O36  1  0.901  0.953  0.201  1.0
  O  O37  1  0.041  0.184  0.589  1.0
  O  O38  1  0.708  0.474  0.476  1.0
  O  O39  1  0.348  0.747  0.720  1.0
  O  O40  1  0.099  0.047  0.799  1.0
  O  O41  1  0.329  0.035  0.100  1.0
  O  O42  1  0.048  0.207  0.045  1.0
  O  O43  1  0.952  0.793  0.955  1.0
  O  O44  1  0.353  0.017  0.582  1.0
  O  O45  1  0.671  0.965  0.900  1.0
[/CIF]
.
The material structure described by Os3C9Se2O9 is Indium-like structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two Os3C9Se2O9 clusters. There are three inequivalent Os sites. In the first Os site, Os(1) is bonded in a 5-coordinate geometry to one C(5), one C(8), one C(9), one Se(1), and one Se(2) atom. In the second Os site, Os(2) is bonded in a 5-coordinate geometry to one C(1), one C(6), one C(7), one Se(1), and one Se(2) atom. In the third Os site, Os(3) is bonded in a 5-coordinate geometry to one C(2), one C(3), one C(4), one Se(1), and one Se(2) atom. There are nine inequivalent C sites. In the first C site, C(1) is bonded in a linear geometry to one Os(2) and one O(7) atom. In the second C site, C(2) is bonded in a linear geometry to one Os(3) and one O(3,4) atom. In the third C site, C(3) is bonded in a linear geometry to one Os(3) and one O(2) atom. In the fourth C site, C(4) is bonded in a linear geometry to one Os(3) and one O(9) atom. In the fifth C site, C(5) is bonded in a linear geometry to one Os(1) and one O(6) atom. In the sixth C site, C(6) is bonded in a linear geometry to one Os(2) and one O(5,8) atom. In the seventh C site, C(7) is bonded in a linear geometry to one Os(2) and one O(5,8) atom. In the eighth C site, C(8) is bonded in a linear geometry to one Os(1) and one O(1) atom. In the ninth C site, C(9) is bonded in a distorted linear geometry to one Os(1) and one O(3,4) atom. There are two inequivalent Se sites. In the first Se site, Se(1) is bonded in a 3-coordinate geometry to one Os(1), one Os(2), and one Os(3) atom. In the second Se site, Se(2) is bonded in a 3-coordinate geometry to one Os(1), one Os(2), and one Os(3) atom. There are seven inequivalent O sites. In the first O site, O(1) is bonded in a single-bond geometry to one C(8) atom. In the second O site, O(2) is bonded in a single-bond geometry to one C(3) atom. In the third O site, O(3,4) is bonded in a single-bond geometry to one C(2) atom. In the fourth O site, O(5,8) is bonded in a single-bond geometry to one C(7) atom. In the fifth O site, O(6) is bonded in a single-bond geometry to one C(5) atom. In the sixth O site, O(7) is bonded in a single-bond geometry to one C(1) atom. In the seventh O site, O(9) is bonded in a single-bond geometry to one C(4) atom. is represented by the CIF file [CIF]
data_Os3C9Se2O9
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.906
_cell_length_b   9.757
_cell_length_c   13.702
_cell_angle_alpha   94.238
_cell_angle_beta   95.723
_cell_angle_gamma   110.424
_symmetry_Int_Tables_number   1
_cell_volume   854.979
_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
  Os  Os0  1  0.282  0.694  0.343  1.0
  Os  Os1  1  0.568  0.234  0.844  1.0
  Os  Os2  1  0.108  0.393  0.242  1.0
  Os  Os3  1  0.432  0.766  0.156  1.0
  Os  Os4  1  0.718  0.306  0.657  1.0
  Os  Os5  1  0.892  0.607  0.758  1.0
  C  C6  1  0.277  0.117  0.816  1.0
  C  C7  1  0.176  0.692  0.734  1.0
  C  C8  1  0.188  0.267  0.325  1.0
  C  C9  1  0.072  0.275  0.122  1.0
  C  C10  1  0.714  0.412  0.545  1.0
  C  C11  1  0.363  0.933  0.121  1.0
  C  C12  1  0.559  0.306  0.975  1.0
  C  C13  1  0.918  0.229  0.614  1.0
  C  C14  1  0.441  0.694  0.025  1.0
  C  C15  1  0.824  0.308  0.266  1.0
  C  C16  1  0.286  0.588  0.455  1.0
  C  C17  1  0.812  0.733  0.675  1.0
  C  C18  1  0.510  0.874  0.388  1.0
  C  C19  1  0.723  0.883  0.184  1.0
  C  C20  1  0.928  0.725  0.878  1.0
  C  C21  1  0.490  0.126  0.612  1.0
  C  C22  1  0.637  0.067  0.879  1.0
  C  C23  1  0.082  0.771  0.386  1.0
  Se  Se24  1  0.510  0.437  0.751  1.0
  Se  Se25  1  0.945  0.384  0.827  1.0
  Se  Se26  1  0.055  0.616  0.173  1.0
  Se  Se27  1  0.490  0.563  0.249  1.0
  O  O28  1  0.959  0.816  0.411  1.0
  O  O29  1  0.762  0.808  0.624  1.0
  O  O30  1  0.238  0.192  0.376  1.0
  O  O31  1  0.652  0.253  0.280  1.0
  O  O32  1  0.647  0.983  0.418  1.0
  O  O33  1  0.560  0.355  0.055  1.0
  O  O34  1  0.440  0.645  0.945  1.0
  O  O35  1  0.292  0.526  0.524  1.0
  O  O36  1  0.901  0.953  0.201  1.0
  O  O37  1  0.041  0.184  0.589  1.0
  O  O38  1  0.708  0.474  0.476  1.0
  O  O39  1  0.348  0.747  0.720  1.0
  O  O40  1  0.099  0.047  0.799  1.0
  O  O41  1  0.329  0.035  0.100  1.0
  O  O42  1  0.048  0.207  0.045  1.0
  O  O43  1  0.952  0.793  0.955  1.0
  O  O44  1  0.353  0.017  0.582  1.0
  O  O45  1  0.671  0.965  0.900  1.0
[/CIF]
.