The structure described by Li2Cr3(CO3)6 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in an octahedral geometry to one O(1), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. In the second Cr site, Cr(2) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(7) atoms. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(7) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(5) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(8), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cr(2) and one C(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cr(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cr(1) and one C(3) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Cr(2), and one C(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(3) atom. is represented by the CIF file [CIF]
data_Li2Cr3(CO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.724
_cell_length_b   6.030
_cell_length_c   12.154
_cell_angle_alpha   100.987
_cell_angle_beta   90.068
_cell_angle_gamma   112.994
_symmetry_Int_Tables_number   1
_cell_volume   311.793
_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
  Li  Li0  1  0.423  0.849  0.269  1.0
  Li  Li1  1  0.577  0.151  0.731  1.0
  Cr  Cr2  1  0.166  0.329  0.335  1.0
  Cr  Cr3  1  0.500  0.000  0.000  1.0
  Cr  Cr4  1  0.834  0.671  0.665  1.0
  C  C5  1  0.960  0.924  0.135  1.0
  C  C6  1  0.288  0.583  0.801  1.0
  C  C7  1  0.040  0.076  0.865  1.0
  C  C8  1  0.632  0.256  0.468  1.0
  C  C9  1  0.368  0.744  0.532  1.0
  C  C10  1  0.712  0.417  0.199  1.0
  O  O11  1  0.547  0.558  0.785  1.0
  O  O12  1  0.453  0.442  0.215  1.0
  O  O13  1  0.234  0.158  0.951  1.0
  O  O14  1  0.115  0.991  0.767  1.0
  O  O15  1  0.885  0.009  0.233  1.0
  O  O16  1  0.240  0.685  0.897  1.0
  O  O17  1  0.766  0.842  0.049  1.0
  O  O18  1  0.070  0.489  0.720  1.0
  O  O19  1  0.898  0.246  0.459  1.0
  O  O20  1  0.771  0.087  0.870  1.0
  O  O21  1  0.572  0.839  0.618  1.0
  O  O22  1  0.930  0.511  0.280  1.0
  O  O23  1  0.438  0.655  0.435  1.0
  O  O24  1  0.760  0.315  0.103  1.0
  O  O25  1  0.562  0.345  0.565  1.0
  O  O26  1  0.428  0.161  0.382  1.0
  O  O27  1  0.229  0.913  0.130  1.0
  O  O28  1  0.102  0.754  0.541  1.0
[/CIF]
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The structure described by Li2Cr3(CO3)6 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(3), one O(5), one O(7), one O(8), and one O(9) atom. There are two inequivalent Cr sites. In the first Cr site, Cr(1) is bonded in an octahedral geometry to one O(1), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. In the second Cr site, Cr(2) is bonded in an octahedral geometry to two equivalent O(2), two equivalent O(4), and two equivalent O(7) atoms. There are three inequivalent C sites. In the first C site, C(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(7) atom. In the second C site, C(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(5) atom. In the third C site, C(3) is bonded in a trigonal planar geometry to one O(6), one O(8), and one O(9) atom. There are nine inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the second O site, O(2) is bonded in a bent 120 degrees geometry to one Cr(2) and one C(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(1) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Cr(2) and one C(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(2) atom. In the sixth O site, O(6) is bonded in a bent 120 degrees geometry to one Cr(1) and one C(3) atom. In the seventh O site, O(7) is bonded in a trigonal planar geometry to one Li(1), one Cr(2), and one C(1) atom. In the eighth O site, O(8) is bonded in a trigonal planar geometry to one Li(1), one Cr(1), and one C(3) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one Li(1), one Cr(1), and one C(3) atom. is represented by the CIF file [CIF]
data_Li2Cr3(CO3)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.724
_cell_length_b   6.030
_cell_length_c   12.154
_cell_angle_alpha   100.987
_cell_angle_beta   90.068
_cell_angle_gamma   112.994
_symmetry_Int_Tables_number   1
_cell_volume   311.793
_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
  Li  Li0  1  0.423  0.849  0.269  1.0
  Li  Li1  1  0.577  0.151  0.731  1.0
  Cr  Cr2  1  0.166  0.329  0.335  1.0
  Cr  Cr3  1  0.500  0.000  0.000  1.0
  Cr  Cr4  1  0.834  0.671  0.665  1.0
  C  C5  1  0.960  0.924  0.135  1.0
  C  C6  1  0.288  0.583  0.801  1.0
  C  C7  1  0.040  0.076  0.865  1.0
  C  C8  1  0.632  0.256  0.468  1.0
  C  C9  1  0.368  0.744  0.532  1.0
  C  C10  1  0.712  0.417  0.199  1.0
  O  O11  1  0.547  0.558  0.785  1.0
  O  O12  1  0.453  0.442  0.215  1.0
  O  O13  1  0.234  0.158  0.951  1.0
  O  O14  1  0.115  0.991  0.767  1.0
  O  O15  1  0.885  0.009  0.233  1.0
  O  O16  1  0.240  0.685  0.897  1.0
  O  O17  1  0.766  0.842  0.049  1.0
  O  O18  1  0.070  0.489  0.720  1.0
  O  O19  1  0.898  0.246  0.459  1.0
  O  O20  1  0.771  0.087  0.870  1.0
  O  O21  1  0.572  0.839  0.618  1.0
  O  O22  1  0.930  0.511  0.280  1.0
  O  O23  1  0.438  0.655  0.435  1.0
  O  O24  1  0.760  0.315  0.103  1.0
  O  O25  1  0.562  0.345  0.565  1.0
  O  O26  1  0.428  0.161  0.382  1.0
  O  O27  1  0.229  0.913  0.130  1.0
  O  O28  1  0.102  0.754  0.541  1.0
[/CIF]
.