The material structure described by H2Os3(CO)10 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two Os(CO)4 clusters and two OsH(CO)3 clusters. In each Os(CO)4 cluster, Os(3) is bonded in a distorted see-saw-like geometry to one C(1), one C(10), one C(2), and one C(6) atom. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted linear geometry to one Os(3) and one O(8) atom. In the second C site, C(2) is bonded in a linear geometry to one Os(3) and one O(5) atom. In the third C site, C(6) is bonded in a distorted linear geometry to one Os(3) and one O(4) atom. In the fourth C site, C(10) is bonded in a linear geometry to one Os(3) and one O(6) atom. There are four inequivalent O sites. In the first O site, O(4) is bonded in a single-bond geometry to one C(6) atom. In the second O site, O(5) is bonded in a single-bond geometry to one C(2) atom. In the third O site, O(6) is bonded in a single-bond geometry to one C(10) atom. In the fourth O site, O(8) is bonded in a single-bond geometry to one C(1) atom. In each OsH(CO)3 cluster, there are two inequivalent Os sites. In the first Os site, Os(1) is bonded to one C(3), one C(4), one C(7), one H(1), and one H(2) atom to form distorted edge-sharing OsH2C3 square pyramids. In the second Os site, Os(2) is bonded to one C(5), one C(8), one C(9), one H(1), and one H(2) atom to form distorted edge-sharing OsH2C3 square pyramids. There are six inequivalent C sites. In the first C site, C(3) is bonded in a distorted linear geometry to one Os(1) and one O(2) atom. In the second C site, C(4) is bonded in a linear geometry to one Os(1) and one O(1) atom. In the third C site, C(5) is bonded in a linear geometry to one Os(2) and one O(7) atom. In the fourth C site, C(7) is bonded in a linear geometry to one Os(1) and one O(10) atom. In the fifth C site, C(8) is bonded in a linear geometry to one Os(2) and one O(9) atom. In the sixth C site, C(9) is bonded in a linear geometry to one Os(2) and one O(3) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in an L-shaped geometry to one Os(1) and one Os(2) atom. In the second H site, H(2) is bonded in an L-shaped geometry to one Os(1) and one Os(2) atom. There are six inequivalent O sites. In the first O site, O(3) is bonded in a single-bond geometry to one C(9) atom. In the second O site, O(7) is bonded in a single-bond geometry to one C(5) atom. In the third O site, O(9) is bonded in a single-bond geometry to one C(8) atom. In the fourth O site, O(10) is bonded in a single-bond geometry to one C(7) atom. In the fifth O site, O(1) is bonded in a single-bond geometry to one C(4) atom. In the sixth O site, O(2) is bonded in a single-bond geometry to one C(3) atom. is represented by the CIF file [CIF]
data_H2Os3(CO)10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.680
_cell_length_b   9.206
_cell_length_c   11.967
_cell_angle_alpha   91.534
_cell_angle_beta   98.863
_cell_angle_gamma   117.326
_symmetry_Int_Tables_number   1
_cell_volume   834.238
_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
  H  H0  1  0.976  0.440  0.880  1.0
  H  H1  1  0.994  0.370  0.691  1.0
  H  H2  1  0.006  0.630  0.309  1.0
  H  H3  1  0.024  0.560  0.120  1.0
  Os  Os4  1  0.976  0.549  0.751  1.0
  Os  Os5  1  0.886  0.235  0.797  1.0
  Os  Os6  1  0.608  0.314  0.711  1.0
  Os  Os7  1  0.392  0.686  0.289  1.0
  Os  Os8  1  0.114  0.765  0.203  1.0
  Os  Os9  1  0.024  0.451  0.249  1.0
  C  C10  1  0.354  0.749  0.435  1.0
  C  C11  1  0.390  0.116  0.704  1.0
  C  C12  1  0.769  0.332  0.216  1.0
  C  C13  1  0.937  0.713  0.821  1.0
  C  C14  1  0.208  0.961  0.304  1.0
  C  C15  1  0.371  0.620  0.128  1.0
  C  C16  1  0.646  0.251  0.565  1.0
  C  C17  1  0.629  0.380  0.872  1.0
  C  C18  1  0.792  0.039  0.696  1.0
  C  C19  1  0.947  0.632  0.610  1.0
  C  C20  1  0.898  0.768  0.143  1.0
  C  C21  1  0.102  0.232  0.857  1.0
  C  C22  1  0.242  0.888  0.092  1.0
  C  C23  1  0.053  0.368  0.390  1.0
  C  C24  1  0.515  0.456  0.655  1.0
  C  C25  1  0.485  0.544  0.345  1.0
  C  C26  1  0.758  0.112  0.908  1.0
  C  C27  1  0.610  0.884  0.296  1.0
  C  C28  1  0.063  0.287  0.179  1.0
  C  C29  1  0.231  0.668  0.784  1.0
  O  O30  1  0.911  0.812  0.865  1.0
  O  O31  1  0.617  0.257  0.198  1.0
  O  O32  1  0.684  0.042  0.978  1.0
  O  O33  1  0.643  0.421  0.967  1.0
  O  O34  1  0.253  0.001  0.698  1.0
  O  O35  1  0.316  0.958  0.022  1.0
  O  O36  1  0.456  0.541  0.621  1.0
  O  O37  1  0.089  0.188  0.135  1.0
  O  O38  1  0.260  0.077  0.369  1.0
  O  O39  1  0.332  0.788  0.522  1.0
  O  O40  1  0.229  0.224  0.895  1.0
  O  O41  1  0.383  0.743  0.802  1.0
  O  O42  1  0.073  0.320  0.477  1.0
  O  O43  1  0.357  0.579  0.033  1.0
  O  O44  1  0.747  0.999  0.302  1.0
  O  O45  1  0.740  0.923  0.631  1.0
  O  O46  1  0.544  0.459  0.379  1.0
  O  O47  1  0.771  0.776  0.105  1.0
  O  O48  1  0.927  0.680  0.523  1.0
  O  O49  1  0.668  0.212  0.478  1.0
[/CIF]
.
The material structure described by H2Os3(CO)10 is Indium-derived structured and crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of two Os(CO)4 clusters and two OsH(CO)3 clusters. In each Os(CO)4 cluster, Os(3) is bonded in a distorted see-saw-like geometry to one C(1), one C(10), one C(2), and one C(6) atom. There are four inequivalent C sites. In the first C site, C(1) is bonded in a distorted linear geometry to one Os(3) and one O(8) atom. In the second C site, C(2) is bonded in a linear geometry to one Os(3) and one O(5) atom. In the third C site, C(6) is bonded in a distorted linear geometry to one Os(3) and one O(4) atom. In the fourth C site, C(10) is bonded in a linear geometry to one Os(3) and one O(6) atom. There are four inequivalent O sites. In the first O site, O(4) is bonded in a single-bond geometry to one C(6) atom. In the second O site, O(5) is bonded in a single-bond geometry to one C(2) atom. In the third O site, O(6) is bonded in a single-bond geometry to one C(10) atom. In the fourth O site, O(8) is bonded in a single-bond geometry to one C(1) atom. In each OsH(CO)3 cluster, there are two inequivalent Os sites. In the first Os site, Os(1) is bonded to one C(3), one C(4), one C(7), one H(1), and one H(2) atom to form distorted edge-sharing OsH2C3 square pyramids. In the second Os site, Os(2) is bonded to one C(5), one C(8), one C(9), one H(1), and one H(2) atom to form distorted edge-sharing OsH2C3 square pyramids. There are six inequivalent C sites. In the first C site, C(3) is bonded in a distorted linear geometry to one Os(1) and one O(2) atom. In the second C site, C(4) is bonded in a linear geometry to one Os(1) and one O(1) atom. In the third C site, C(5) is bonded in a linear geometry to one Os(2) and one O(7) atom. In the fourth C site, C(7) is bonded in a linear geometry to one Os(1) and one O(10) atom. In the fifth C site, C(8) is bonded in a linear geometry to one Os(2) and one O(9) atom. In the sixth C site, C(9) is bonded in a linear geometry to one Os(2) and one O(3) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in an L-shaped geometry to one Os(1) and one Os(2) atom. In the second H site, H(2) is bonded in an L-shaped geometry to one Os(1) and one Os(2) atom. There are six inequivalent O sites. In the first O site, O(3) is bonded in a single-bond geometry to one C(9) atom. In the second O site, O(7) is bonded in a single-bond geometry to one C(5) atom. In the third O site, O(9) is bonded in a single-bond geometry to one C(8) atom. In the fourth O site, O(10) is bonded in a single-bond geometry to one C(7) atom. In the fifth O site, O(1) is bonded in a single-bond geometry to one C(4) atom. In the sixth O site, O(2) is bonded in a single-bond geometry to one C(3) atom. is represented by the CIF file [CIF]
data_H2Os3(CO)10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.680
_cell_length_b   9.206
_cell_length_c   11.967
_cell_angle_alpha   91.534
_cell_angle_beta   98.863
_cell_angle_gamma   117.326
_symmetry_Int_Tables_number   1
_cell_volume   834.238
_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
  H  H0  1  0.976  0.440  0.880  1.0
  H  H1  1  0.994  0.370  0.691  1.0
  H  H2  1  0.006  0.630  0.309  1.0
  H  H3  1  0.024  0.560  0.120  1.0
  Os  Os4  1  0.976  0.549  0.751  1.0
  Os  Os5  1  0.886  0.235  0.797  1.0
  Os  Os6  1  0.608  0.314  0.711  1.0
  Os  Os7  1  0.392  0.686  0.289  1.0
  Os  Os8  1  0.114  0.765  0.203  1.0
  Os  Os9  1  0.024  0.451  0.249  1.0
  C  C10  1  0.354  0.749  0.435  1.0
  C  C11  1  0.390  0.116  0.704  1.0
  C  C12  1  0.769  0.332  0.216  1.0
  C  C13  1  0.937  0.713  0.821  1.0
  C  C14  1  0.208  0.961  0.304  1.0
  C  C15  1  0.371  0.620  0.128  1.0
  C  C16  1  0.646  0.251  0.565  1.0
  C  C17  1  0.629  0.380  0.872  1.0
  C  C18  1  0.792  0.039  0.696  1.0
  C  C19  1  0.947  0.632  0.610  1.0
  C  C20  1  0.898  0.768  0.143  1.0
  C  C21  1  0.102  0.232  0.857  1.0
  C  C22  1  0.242  0.888  0.092  1.0
  C  C23  1  0.053  0.368  0.390  1.0
  C  C24  1  0.515  0.456  0.655  1.0
  C  C25  1  0.485  0.544  0.345  1.0
  C  C26  1  0.758  0.112  0.908  1.0
  C  C27  1  0.610  0.884  0.296  1.0
  C  C28  1  0.063  0.287  0.179  1.0
  C  C29  1  0.231  0.668  0.784  1.0
  O  O30  1  0.911  0.812  0.865  1.0
  O  O31  1  0.617  0.257  0.198  1.0
  O  O32  1  0.684  0.042  0.978  1.0
  O  O33  1  0.643  0.421  0.967  1.0
  O  O34  1  0.253  0.001  0.698  1.0
  O  O35  1  0.316  0.958  0.022  1.0
  O  O36  1  0.456  0.541  0.621  1.0
  O  O37  1  0.089  0.188  0.135  1.0
  O  O38  1  0.260  0.077  0.369  1.0
  O  O39  1  0.332  0.788  0.522  1.0
  O  O40  1  0.229  0.224  0.895  1.0
  O  O41  1  0.383  0.743  0.802  1.0
  O  O42  1  0.073  0.320  0.477  1.0
  O  O43  1  0.357  0.579  0.033  1.0
  O  O44  1  0.747  0.999  0.302  1.0
  O  O45  1  0.740  0.923  0.631  1.0
  O  O46  1  0.544  0.459  0.379  1.0
  O  O47  1  0.771  0.776  0.105  1.0
  O  O48  1  0.927  0.680  0.523  1.0
  O  O49  1  0.668  0.212  0.478  1.0
[/CIF]
.