The material structure described by Na3CrH14(C3O8)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form edge-sharing NaO6 octahedra. In the second Na site, Na(2) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and two equivalent O(2) atoms to form distorted NaO7 pentagonal bipyramids that share  an edgeedge with one Na(1)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, and  an edgeedge with one Na(2)O7 pentagonal bipyramid. Cr(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form CrO6 octahedra that share edges with two equivalent Na(2)O7 pentagonal bipyramids. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one H(5), one O(1), and one O(2) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one H(6), one O(3), and one O(4) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one H(7), one O(5), and one O(6) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Na(2), one Cr(1), and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Na(2) and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(2), one Cr(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Na(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cr(1) and one C(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(3) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Na(1), one Na(2), one H(1), and one H(2) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Na(1), one H(3), and one H(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3CrH14(C3O8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.509
_cell_length_b   7.758
_cell_length_c   8.834
_cell_angle_alpha   78.639
_cell_angle_beta   82.428
_cell_angle_gamma   79.285
_symmetry_Int_Tables_number   1
_cell_volume   427.599
_cell_formula_units_Z   1
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  0.000  0.500  0.500  1.0
  Na  Na1  1  0.291  0.553  0.126  1.0
  Na  Na2  1  0.709  0.447  0.874  1.0
  Cr  Cr3  1  0.000  0.000  0.000  1.0
  H  H4  1  0.050  0.258  0.258  1.0
  H  H5  1  0.950  0.742  0.742  1.0
  H  H6  1  0.892  0.438  0.219  1.0
  H  H7  1  0.108  0.562  0.781  1.0
  H  H8  1  0.431  0.347  0.577  1.0
  H  H9  1  0.569  0.653  0.423  1.0
  H  H10  1  0.379  0.275  0.436  1.0
  H  H11  1  0.621  0.725  0.564  1.0
  H  H12  1  0.402  0.154  0.950  1.0
  H  H13  1  0.598  0.846  0.050  1.0
  H  H14  1  0.306  0.970  0.708  1.0
  H  H15  1  0.694  0.030  0.292  1.0
  H  H16  1  0.203  0.952  0.416  1.0
  H  H17  1  0.797  0.048  0.584  1.0
  C  C18  1  0.277  0.268  0.919  1.0
  C  C19  1  0.723  0.732  0.081  1.0
  C  C20  1  0.367  0.856  0.797  1.0
  C  C21  1  0.633  0.144  0.203  1.0
  C  C22  1  0.180  0.893  0.316  1.0
  C  C23  1  0.820  0.107  0.684  1.0
  O  O24  1  0.092  0.235  0.915  1.0
  O  O25  1  0.908  0.765  0.085  1.0
  O  O26  1  0.322  0.423  0.889  1.0
  O  O27  1  0.678  0.577  0.111  1.0
  O  O28  1  0.273  0.848  0.936  1.0
  O  O29  1  0.727  0.152  0.064  1.0
  O  O30  1  0.523  0.746  0.760  1.0
  O  O31  1  0.477  0.254  0.240  1.0
  O  O32  1  0.102  0.011  0.205  1.0
  O  O33  1  0.898  0.989  0.795  1.0
  O  O34  1  0.232  0.728  0.321  1.0
  O  O35  1  0.768  0.272  0.679  1.0
  O  O36  1  0.020  0.383  0.272  1.0
  O  O37  1  0.980  0.617  0.728  1.0
  O  O38  1  0.320  0.304  0.539  1.0
  O  O39  1  0.680  0.696  0.461  1.0
[/CIF]
.
The material structure described by Na3CrH14(C3O8)2 crystallizes in the triclinic P-1 space group. There are two inequivalent Na sites. In the first Na site, Na(1) is bonded to two equivalent O(6), two equivalent O(7), and two equivalent O(8) atoms to form edge-sharing NaO6 octahedra. In the second Na site, Na(2) is bonded to one O(1), one O(3), one O(4), one O(6), one O(7), and two equivalent O(2) atoms to form distorted NaO7 pentagonal bipyramids that share  an edgeedge with one Na(1)O6 octahedra,  an edgeedge with one Cr(1)O6 octahedra, and  an edgeedge with one Na(2)O7 pentagonal bipyramid. Cr(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(5) atoms to form CrO6 octahedra that share edges with two equivalent Na(2)O7 pentagonal bipyramids. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one H(5), one O(1), and one O(2) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one H(6), one O(3), and one O(4) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one H(7), one O(5), and one O(6) atom. There are seven inequivalent H sites. In the first H site, H(1) is bonded in a single-bond geometry to one O(7) atom. In the second H site, H(2) is bonded in a single-bond geometry to one O(7) atom. In the third H site, H(3) is bonded in a single-bond geometry to one O(8) atom. In the fourth H site, H(4) is bonded in a single-bond geometry to one O(8) atom. In the fifth H site, H(5) is bonded in a single-bond geometry to one C(1) atom. In the sixth H site, H(6) is bonded in a single-bond geometry to one C(2) atom. In the seventh H site, H(7) is bonded in a single-bond geometry to one C(3) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a 2-coordinate geometry to one Na(2), one Cr(1), and one C(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Na(2) and one C(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Na(2), one Cr(1), and one C(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Na(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Cr(1) and one C(3) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Na(1), one Na(2), and one C(3) atom. In the seventh O site, O(7) is bonded in a distorted water-like geometry to one Na(1), one Na(2), one H(1), and one H(2) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Na(1), one H(3), and one H(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Na3CrH14(C3O8)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.509
_cell_length_b   7.758
_cell_length_c   8.834
_cell_angle_alpha   78.639
_cell_angle_beta   82.428
_cell_angle_gamma   79.285
_symmetry_Int_Tables_number   1
_cell_volume   427.599
_cell_formula_units_Z   1
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  0.000  0.500  0.500  1.0
  Na  Na1  1  0.291  0.553  0.126  1.0
  Na  Na2  1  0.709  0.447  0.874  1.0
  Cr  Cr3  1  0.000  0.000  0.000  1.0
  H  H4  1  0.050  0.258  0.258  1.0
  H  H5  1  0.950  0.742  0.742  1.0
  H  H6  1  0.892  0.438  0.219  1.0
  H  H7  1  0.108  0.562  0.781  1.0
  H  H8  1  0.431  0.347  0.577  1.0
  H  H9  1  0.569  0.653  0.423  1.0
  H  H10  1  0.379  0.275  0.436  1.0
  H  H11  1  0.621  0.725  0.564  1.0
  H  H12  1  0.402  0.154  0.950  1.0
  H  H13  1  0.598  0.846  0.050  1.0
  H  H14  1  0.306  0.970  0.708  1.0
  H  H15  1  0.694  0.030  0.292  1.0
  H  H16  1  0.203  0.952  0.416  1.0
  H  H17  1  0.797  0.048  0.584  1.0
  C  C18  1  0.277  0.268  0.919  1.0
  C  C19  1  0.723  0.732  0.081  1.0
  C  C20  1  0.367  0.856  0.797  1.0
  C  C21  1  0.633  0.144  0.203  1.0
  C  C22  1  0.180  0.893  0.316  1.0
  C  C23  1  0.820  0.107  0.684  1.0
  O  O24  1  0.092  0.235  0.915  1.0
  O  O25  1  0.908  0.765  0.085  1.0
  O  O26  1  0.322  0.423  0.889  1.0
  O  O27  1  0.678  0.577  0.111  1.0
  O  O28  1  0.273  0.848  0.936  1.0
  O  O29  1  0.727  0.152  0.064  1.0
  O  O30  1  0.523  0.746  0.760  1.0
  O  O31  1  0.477  0.254  0.240  1.0
  O  O32  1  0.102  0.011  0.205  1.0
  O  O33  1  0.898  0.989  0.795  1.0
  O  O34  1  0.232  0.728  0.321  1.0
  O  O35  1  0.768  0.272  0.679  1.0
  O  O36  1  0.020  0.383  0.272  1.0
  O  O37  1  0.980  0.617  0.728  1.0
  O  O38  1  0.320  0.304  0.539  1.0
  O  O39  1  0.680  0.696  0.461  1.0
[/CIF]
.