The compound described by Li5Fe2Co3O10 crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 2-coordinate geometry to one Li(3), two equivalent Fe(1), one Co(2), one O(3), and one O(4) atom. In the second Li site, Li(2) is bonded in a 3-coordinate geometry to one Fe(1), one Co(1), two equivalent Co(2), one O(2), one O(4), and one O(5) atom. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to two equivalent Li(1), two equivalent Fe(1), and two equivalent O(5) atoms. Fe(1) is bonded in a 9-coordinate geometry to one Li(2), one Li(3), two equivalent Li(1), one Co(1), one Co(2), one O(1), one O(3), and one O(5) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 8-coordinate geometry to two equivalent Li(2), two equivalent Fe(1), two equivalent Co(2), and two equivalent O(1) atoms. In the second Co site, Co(2) is bonded in a 8-coordinate geometry to one Li(1), two equivalent Li(2), one Fe(1), one Co(1), one O(1), one O(2), and one O(4) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Fe(1), one Co(1), one Co(2), and one O(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(2), one Co(2), one O(2), and one O(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one O(5) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Li(1), one Li(2), one Co(2), one O(1), one O(2), and one O(5) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Li(2), one Li(3), one Fe(1), one O(3), and one O(4) atom. is represented by the CIF file [CIF]
data_Li5Fe2Co3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.166
_cell_length_b   5.157
_cell_length_c   7.782
_cell_angle_alpha   108.449
_cell_angle_beta   103.923
_cell_angle_gamma   99.063
_symmetry_Int_Tables_number   1
_cell_volume   184.646
_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  0.384  0.095  0.413  1.0
  Li  Li1  1  0.822  0.720  0.788  1.0
  Li  Li2  1  0.500  0.500  0.500  1.0
  Li  Li3  1  0.178  0.280  0.212  1.0
  Li  Li4  1  0.616  0.905  0.587  1.0
  Fe  Fe5  1  0.716  0.309  0.692  1.0
  Fe  Fe6  1  0.284  0.691  0.308  1.0
  Co  Co7  1  0.000  0.500  0.000  1.0
  Co  Co8  1  0.912  0.118  0.890  1.0
  Co  Co9  1  0.088  0.882  0.110  1.0
  O  O10  1  0.333  0.372  0.860  1.0
  O  O11  1  0.442  0.811  0.950  1.0
  O  O12  1  0.047  0.218  0.548  1.0
  O  O13  1  0.766  0.025  0.230  1.0
  O  O14  1  0.124  0.563  0.667  1.0
  O  O15  1  0.876  0.437  0.333  1.0
  O  O16  1  0.234  0.975  0.770  1.0
  O  O17  1  0.953  0.782  0.452  1.0
  O  O18  1  0.558  0.189  0.050  1.0
  O  O19  1  0.667  0.628  0.140  1.0
[/CIF]
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The compound described by Li5Fe2Co3O10 crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded in a 2-coordinate geometry to one Li(3), two equivalent Fe(1), one Co(2), one O(3), and one O(4) atom. In the second Li site, Li(2) is bonded in a 3-coordinate geometry to one Fe(1), one Co(1), two equivalent Co(2), one O(2), one O(4), and one O(5) atom. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to two equivalent Li(1), two equivalent Fe(1), and two equivalent O(5) atoms. Fe(1) is bonded in a 9-coordinate geometry to one Li(2), one Li(3), two equivalent Li(1), one Co(1), one Co(2), one O(1), one O(3), and one O(5) atom. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded in a 8-coordinate geometry to two equivalent Li(2), two equivalent Fe(1), two equivalent Co(2), and two equivalent O(1) atoms. In the second Co site, Co(2) is bonded in a 8-coordinate geometry to one Li(1), two equivalent Li(2), one Fe(1), one Co(1), one O(1), one O(2), and one O(4) atom. There are five inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Fe(1), one Co(1), one Co(2), and one O(4) atom. In the second O site, O(2) is bonded in a distorted T-shaped geometry to one Li(2), one Co(2), one O(2), and one O(4) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Fe(1), and one O(5) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Li(1), one Li(2), one Co(2), one O(1), one O(2), and one O(5) atom. In the fifth O site, O(5) is bonded in a 5-coordinate geometry to one Li(2), one Li(3), one Fe(1), one O(3), and one O(4) atom. is represented by the CIF file [CIF]
data_Li5Fe2Co3O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.166
_cell_length_b   5.157
_cell_length_c   7.782
_cell_angle_alpha   108.449
_cell_angle_beta   103.923
_cell_angle_gamma   99.063
_symmetry_Int_Tables_number   1
_cell_volume   184.646
_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  0.384  0.095  0.413  1.0
  Li  Li1  1  0.822  0.720  0.788  1.0
  Li  Li2  1  0.500  0.500  0.500  1.0
  Li  Li3  1  0.178  0.280  0.212  1.0
  Li  Li4  1  0.616  0.905  0.587  1.0
  Fe  Fe5  1  0.716  0.309  0.692  1.0
  Fe  Fe6  1  0.284  0.691  0.308  1.0
  Co  Co7  1  0.000  0.500  0.000  1.0
  Co  Co8  1  0.912  0.118  0.890  1.0
  Co  Co9  1  0.088  0.882  0.110  1.0
  O  O10  1  0.333  0.372  0.860  1.0
  O  O11  1  0.442  0.811  0.950  1.0
  O  O12  1  0.047  0.218  0.548  1.0
  O  O13  1  0.766  0.025  0.230  1.0
  O  O14  1  0.124  0.563  0.667  1.0
  O  O15  1  0.876  0.437  0.333  1.0
  O  O16  1  0.234  0.975  0.770  1.0
  O  O17  1  0.953  0.782  0.452  1.0
  O  O18  1  0.558  0.189  0.050  1.0
  O  O19  1  0.667  0.628  0.140  1.0
[/CIF]
.