The structure described by Na2CoH4(CO2)4 crystallizes in the monoclinic C2/c space group. Na(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), two equivalent O(1), and three equivalent O(4) atoms. Co(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are two inequivalent C sites. In the first C site, C(2) is bonded in a trigonal planar geometry to one H(1), one O(1), and one O(4) atom. In the second C site, C(1) is bonded in a trigonal planar geometry to one H(2), one O(2), and one O(3) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Co(1), and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Co(1), and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Co(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to three equivalent Na(1) and one C(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2CoH4(CO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.238
_cell_length_b   9.238
_cell_length_c   6.889
_cell_angle_alpha   74.363
_cell_angle_beta   74.363
_cell_angle_gamma   58.100
_symmetry_Int_Tables_number   1
_cell_volume   474.785
_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
  Na  Na0  1  0.702  0.507  0.816  1.0
  Na  Na1  1  0.493  0.298  0.684  1.0
  Na  Na2  1  0.298  0.493  0.184  1.0
  Na  Na3  1  0.507  0.702  0.316  1.0
  Co  Co4  1  0.000  0.500  0.000  1.0
  Co  Co5  1  0.500  0.000  0.500  1.0
  H  H6  1  0.086  0.770  0.626  1.0
  H  H7  1  0.230  0.914  0.874  1.0
  H  H8  1  0.914  0.230  0.374  1.0
  H  H9  1  0.770  0.086  0.126  1.0
  H  H10  1  0.800  0.902  0.908  1.0
  H  H11  1  0.098  0.200  0.592  1.0
  H  H12  1  0.200  0.098  0.092  1.0
  H  H13  1  0.902  0.800  0.408  1.0
  C  C14  1  0.747  0.863  0.816  1.0
  C  C15  1  0.137  0.253  0.684  1.0
  C  C16  1  0.253  0.137  0.184  1.0
  C  C17  1  0.863  0.747  0.316  1.0
  C  C18  1  0.196  0.636  0.642  1.0
  C  C19  1  0.364  0.804  0.858  1.0
  C  C20  1  0.804  0.364  0.358  1.0
  C  C21  1  0.636  0.196  0.142  1.0
  O  O22  1  0.201  0.544  0.818  1.0
  O  O23  1  0.456  0.799  0.682  1.0
  O  O24  1  0.799  0.456  0.182  1.0
  O  O25  1  0.544  0.201  0.318  1.0
  O  O26  1  0.800  0.704  0.829  1.0
  O  O27  1  0.296  0.200  0.671  1.0
  O  O28  1  0.200  0.296  0.171  1.0
  O  O29  1  0.704  0.800  0.329  1.0
  O  O30  1  0.638  0.987  0.707  1.0
  O  O31  1  0.013  0.362  0.793  1.0
  O  O32  1  0.362  0.013  0.293  1.0
  O  O33  1  0.987  0.638  0.207  1.0
  O  O34  1  0.308  0.587  0.487  1.0
  O  O35  1  0.413  0.692  0.013  1.0
  O  O36  1  0.692  0.413  0.513  1.0
  O  O37  1  0.587  0.308  0.987  1.0
[/CIF]
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The structure described by Na2CoH4(CO2)4 crystallizes in the monoclinic C2/c space group. Na(1) is bonded in a 7-coordinate geometry to one O(2), one O(3), two equivalent O(1), and three equivalent O(4) atoms. Co(1) is bonded in an octahedral geometry to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms. There are two inequivalent C sites. In the first C site, C(2) is bonded in a trigonal planar geometry to one H(1), one O(1), and one O(4) atom. In the second C site, C(1) is bonded in a trigonal planar geometry to one H(2), one O(2), and one O(3) atom. There are two inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one C(2) atom. In the second H site, H(2) is bonded in a single-bond geometry to one C(1) atom. There are four inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Na(1), one Co(1), and one C(2) atom. In the second O site, O(2) is bonded in a 3-coordinate geometry to one Na(1), one Co(1), and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(1), one Co(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to three equivalent Na(1) and one C(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na2CoH4(CO2)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.238
_cell_length_b   9.238
_cell_length_c   6.889
_cell_angle_alpha   74.363
_cell_angle_beta   74.363
_cell_angle_gamma   58.100
_symmetry_Int_Tables_number   1
_cell_volume   474.785
_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
  Na  Na0  1  0.702  0.507  0.816  1.0
  Na  Na1  1  0.493  0.298  0.684  1.0
  Na  Na2  1  0.298  0.493  0.184  1.0
  Na  Na3  1  0.507  0.702  0.316  1.0
  Co  Co4  1  0.000  0.500  0.000  1.0
  Co  Co5  1  0.500  0.000  0.500  1.0
  H  H6  1  0.086  0.770  0.626  1.0
  H  H7  1  0.230  0.914  0.874  1.0
  H  H8  1  0.914  0.230  0.374  1.0
  H  H9  1  0.770  0.086  0.126  1.0
  H  H10  1  0.800  0.902  0.908  1.0
  H  H11  1  0.098  0.200  0.592  1.0
  H  H12  1  0.200  0.098  0.092  1.0
  H  H13  1  0.902  0.800  0.408  1.0
  C  C14  1  0.747  0.863  0.816  1.0
  C  C15  1  0.137  0.253  0.684  1.0
  C  C16  1  0.253  0.137  0.184  1.0
  C  C17  1  0.863  0.747  0.316  1.0
  C  C18  1  0.196  0.636  0.642  1.0
  C  C19  1  0.364  0.804  0.858  1.0
  C  C20  1  0.804  0.364  0.358  1.0
  C  C21  1  0.636  0.196  0.142  1.0
  O  O22  1  0.201  0.544  0.818  1.0
  O  O23  1  0.456  0.799  0.682  1.0
  O  O24  1  0.799  0.456  0.182  1.0
  O  O25  1  0.544  0.201  0.318  1.0
  O  O26  1  0.800  0.704  0.829  1.0
  O  O27  1  0.296  0.200  0.671  1.0
  O  O28  1  0.200  0.296  0.171  1.0
  O  O29  1  0.704  0.800  0.329  1.0
  O  O30  1  0.638  0.987  0.707  1.0
  O  O31  1  0.013  0.362  0.793  1.0
  O  O32  1  0.362  0.013  0.293  1.0
  O  O33  1  0.987  0.638  0.207  1.0
  O  O34  1  0.308  0.587  0.487  1.0
  O  O35  1  0.413  0.692  0.013  1.0
  O  O36  1  0.692  0.413  0.513  1.0
  O  O37  1  0.587  0.308  0.987  1.0
[/CIF]
.