The compound described by Rb2CoH8(CO5)2 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms. Co(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. C(1) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(5) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(2) atom. In the second H site, H(2) is bonded in a distorted linear geometry to one O(2) and one O(5) atom. In the third H site, H(3) is bonded in a distorted single-bond geometry to one O(1) and one O(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(1) atom. There are five inequivalent O sites. In the first O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Rb(1), one Co(1), and one C(1) atom. In the second O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1) and one C(1) atom. In the third O site, O(5) is bonded in a 4-coordinate geometry to one Rb(1), one C(1), one H(2), and one H(3) atom. In the fourth O site, O(1) is bonded in a distorted water-like geometry to one Rb(1), one Co(1), one H(3), and one H(4) atom. In the fifth O site, O(2) is bonded in a distorted water-like geometry to one Rb(1), one Co(1), one H(1), and one H(2) atom. is represented by the CIF file [CIF]
data_Rb2CoH8(CO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.484
_cell_length_b   7.179
_cell_length_c   12.440
_cell_angle_alpha   64.753
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   523.729
_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
  Rb  Rb0  1  0.654  0.246  0.677  1.0
  Rb  Rb1  1  0.154  0.754  0.823  1.0
  Rb  Rb2  1  0.346  0.754  0.323  1.0
  Rb  Rb3  1  0.846  0.246  0.177  1.0
  Co  Co4  1  0.500  0.000  0.000  1.0
  Co  Co5  1  0.000  0.000  0.500  1.0
  H  H6  1  0.662  0.800  0.870  1.0
  H  H7  1  0.162  0.200  0.630  1.0
  H  H8  1  0.338  0.200  0.130  1.0
  H  H9  1  0.838  0.800  0.370  1.0
  H  H10  1  0.798  0.801  0.983  1.0
  H  H11  1  0.298  0.199  0.517  1.0
  H  H12  1  0.202  0.199  0.017  1.0
  H  H13  1  0.702  0.801  0.483  1.0
  H  H14  1  0.825  0.290  0.916  1.0
  H  H15  1  0.880  0.425  0.381  1.0
  H  H16  1  0.175  0.710  0.084  1.0
  H  H17  1  0.675  0.290  0.416  1.0
  H  H18  1  0.620  0.425  0.881  1.0
  H  H19  1  0.120  0.575  0.619  1.0
  H  H20  1  0.380  0.575  0.119  1.0
  H  H21  1  0.325  0.710  0.584  1.0
  C  C22  1  0.658  0.751  0.680  1.0
  C  C23  1  0.158  0.249  0.820  1.0
  C  C24  1  0.842  0.751  0.180  1.0
  C  C25  1  0.342  0.249  0.320  1.0
  O  O26  1  0.826  0.286  0.436  1.0
  O  O27  1  0.326  0.714  0.064  1.0
  O  O28  1  0.174  0.714  0.564  1.0
  O  O29  1  0.674  0.286  0.936  1.0
  O  O30  1  0.789  0.888  0.410  1.0
  O  O31  1  0.289  0.112  0.090  1.0
  O  O32  1  0.690  0.881  0.151  1.0
  O  O33  1  0.190  0.119  0.349  1.0
  O  O34  1  0.310  0.119  0.849  1.0
  O  O35  1  0.810  0.881  0.651  1.0
  O  O36  1  0.918  0.681  0.287  1.0
  O  O37  1  0.418  0.319  0.213  1.0
  O  O38  1  0.082  0.319  0.713  1.0
  O  O39  1  0.211  0.112  0.590  1.0
  O  O40  1  0.919  0.690  0.103  1.0
  O  O41  1  0.419  0.310  0.397  1.0
  O  O42  1  0.081  0.310  0.897  1.0
  O  O43  1  0.581  0.690  0.603  1.0
  O  O44  1  0.711  0.888  0.910  1.0
  O  O45  1  0.582  0.681  0.787  1.0
[/CIF]
.
The compound described by Rb2CoH8(CO5)2 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms. Co(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. C(1) is bonded in a trigonal planar geometry to one O(3), one O(4), and one O(5) atom. There are four inequivalent H sites. In the first H site, H(1) is bonded in a distorted single-bond geometry to one O(2) atom. In the second H site, H(2) is bonded in a distorted linear geometry to one O(2) and one O(5) atom. In the third H site, H(3) is bonded in a distorted single-bond geometry to one O(1) and one O(5) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(1) atom. There are five inequivalent O sites. In the first O site, O(3) is bonded in a 4-coordinate geometry to two equivalent Rb(1), one Co(1), and one C(1) atom. In the second O site, O(4) is bonded in a distorted single-bond geometry to one Rb(1) and one C(1) atom. In the third O site, O(5) is bonded in a 4-coordinate geometry to one Rb(1), one C(1), one H(2), and one H(3) atom. In the fourth O site, O(1) is bonded in a distorted water-like geometry to one Rb(1), one Co(1), one H(3), and one H(4) atom. In the fifth O site, O(2) is bonded in a distorted water-like geometry to one Rb(1), one Co(1), one H(1), and one H(2) atom. is represented by the CIF file [CIF]
data_Rb2CoH8(CO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.484
_cell_length_b   7.179
_cell_length_c   12.440
_cell_angle_alpha   64.753
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   523.729
_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
  Rb  Rb0  1  0.654  0.246  0.677  1.0
  Rb  Rb1  1  0.154  0.754  0.823  1.0
  Rb  Rb2  1  0.346  0.754  0.323  1.0
  Rb  Rb3  1  0.846  0.246  0.177  1.0
  Co  Co4  1  0.500  0.000  0.000  1.0
  Co  Co5  1  0.000  0.000  0.500  1.0
  H  H6  1  0.662  0.800  0.870  1.0
  H  H7  1  0.162  0.200  0.630  1.0
  H  H8  1  0.338  0.200  0.130  1.0
  H  H9  1  0.838  0.800  0.370  1.0
  H  H10  1  0.798  0.801  0.983  1.0
  H  H11  1  0.298  0.199  0.517  1.0
  H  H12  1  0.202  0.199  0.017  1.0
  H  H13  1  0.702  0.801  0.483  1.0
  H  H14  1  0.825  0.290  0.916  1.0
  H  H15  1  0.880  0.425  0.381  1.0
  H  H16  1  0.175  0.710  0.084  1.0
  H  H17  1  0.675  0.290  0.416  1.0
  H  H18  1  0.620  0.425  0.881  1.0
  H  H19  1  0.120  0.575  0.619  1.0
  H  H20  1  0.380  0.575  0.119  1.0
  H  H21  1  0.325  0.710  0.584  1.0
  C  C22  1  0.658  0.751  0.680  1.0
  C  C23  1  0.158  0.249  0.820  1.0
  C  C24  1  0.842  0.751  0.180  1.0
  C  C25  1  0.342  0.249  0.320  1.0
  O  O26  1  0.826  0.286  0.436  1.0
  O  O27  1  0.326  0.714  0.064  1.0
  O  O28  1  0.174  0.714  0.564  1.0
  O  O29  1  0.674  0.286  0.936  1.0
  O  O30  1  0.789  0.888  0.410  1.0
  O  O31  1  0.289  0.112  0.090  1.0
  O  O32  1  0.690  0.881  0.151  1.0
  O  O33  1  0.190  0.119  0.349  1.0
  O  O34  1  0.310  0.119  0.849  1.0
  O  O35  1  0.810  0.881  0.651  1.0
  O  O36  1  0.918  0.681  0.287  1.0
  O  O37  1  0.418  0.319  0.213  1.0
  O  O38  1  0.082  0.319  0.713  1.0
  O  O39  1  0.211  0.112  0.590  1.0
  O  O40  1  0.919  0.690  0.103  1.0
  O  O41  1  0.419  0.310  0.397  1.0
  O  O42  1  0.081  0.310  0.897  1.0
  O  O43  1  0.581  0.690  0.603  1.0
  O  O44  1  0.711  0.888  0.910  1.0
  O  O45  1  0.582  0.681  0.787  1.0
[/CIF]
.