The structure described by Li2MnFe(BO3)2 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(5), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Fe(2)O5 trigonal bipyramid, corners with three equivalent Mn(2)O5 trigonal bipyramids, and  an edgeedge with one Mn(1)O5 trigonal bipyramid. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid, corners with three equivalent Fe(1)O5 trigonal bipyramids, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Fe(1)O5 trigonal bipyramid, corners with three equivalent Fe(2)O5 trigonal bipyramids, and  an edgeedge with one Mn(2)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded to one O(10), one O(11), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid, corners with three equivalent Mn(1)O5 trigonal bipyramids, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(2), one O(5), and one O(9) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Li(2)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Mn(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(12), one O(7), and one O(9) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Li(4)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Mn(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(11), one O(2), one O(3), one O(4), and one O(8) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(3)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Mn(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. In the second Fe site, Fe(2) is bonded to one O(1), one O(12), one O(3), one O(4), and one O(6) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Mn(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(6) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(12), one O(7), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(5) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(3), one Mn(2), one Fe(2), and one B(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(1), and one B(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(2), and one B(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Li(3), one Fe(1), one Fe(2), and one B(2) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Mn(1), and one B(4) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(2), and one B(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal pyramidal geometry to one Li(1), one Li(3), one Mn(2), and one B(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(4), one Fe(1), and one B(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Mn(1), one Mn(2), and one B(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Li(4), one Mn(1), one Mn(2), and one B(4) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Mn(1), one Fe(1), and one B(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(1), one Mn(2), one Fe(2), and one B(3) atom. is represented by the CIF file [CIF]
data_Li2MnFe(BO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.216
_cell_length_b   5.238
_cell_length_c   10.486
_cell_angle_alpha   90.870
_cell_angle_beta   90.995
_cell_angle_gamma   119.749
_symmetry_Int_Tables_number   1
_cell_volume   248.572
_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
  Li  Li0  1  0.677  0.652  0.667  1.0
  Li  Li1  1  0.652  0.675  0.169  1.0
  Li  Li2  1  0.353  0.342  0.417  1.0
  Li  Li3  1  0.336  0.345  0.917  1.0
  Mn  Mn4  1  0.668  0.004  0.885  1.0
  Mn  Mn5  1  0.002  0.327  0.632  1.0
  Fe  Fe6  1  0.316  0.002  0.133  1.0
  Fe  Fe7  1  0.018  0.675  0.379  1.0
  B  B8  1  0.996  0.337  0.128  1.0
  B  B9  1  0.669  0.006  0.374  1.0
  B  B10  1  0.340  0.998  0.624  1.0
  B  B11  1  0.002  0.665  0.878  1.0
  O  O12  1  0.929  0.257  0.415  1.0
  O  O13  1  0.741  0.068  0.099  1.0
  O  O14  1  0.976  0.582  0.166  1.0
  O  O15  1  0.417  0.031  0.345  1.0
  O  O16  1  0.727  0.641  0.862  1.0
  O  O17  1  0.654  0.736  0.361  1.0
  O  O18  1  0.370  0.273  0.610  1.0
  O  O19  1  0.271  0.359  0.115  1.0
  O  O20  1  0.579  0.968  0.667  1.0
  O  O21  1  0.036  0.423  0.847  1.0
  O  O22  1  0.244  0.929  0.921  1.0
  O  O23  1  0.069  0.748  0.594  1.0
[/CIF]
.
The structure described by Li2MnFe(BO3)2 crystallizes in the triclinic P1 space group. There are four inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(12), one O(5), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Fe(2)O5 trigonal bipyramid, corners with three equivalent Mn(2)O5 trigonal bipyramids, and  an edgeedge with one Mn(1)O5 trigonal bipyramid. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(6), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Mn(1)O5 trigonal bipyramid, corners with three equivalent Fe(1)O5 trigonal bipyramids, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. In the third Li site, Li(3) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Fe(1)O5 trigonal bipyramid, corners with three equivalent Fe(2)O5 trigonal bipyramids, and  an edgeedge with one Mn(2)O5 trigonal bipyramid. In the fourth Li site, Li(4) is bonded to one O(10), one O(11), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Mn(2)O5 trigonal bipyramid, corners with three equivalent Mn(1)O5 trigonal bipyramids, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(11), one O(2), one O(5), and one O(9) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Li(2)O4 tetrahedra, corners with three equivalent Li(4)O4 tetrahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Mn(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. In the second Mn site, Mn(2) is bonded to one O(1), one O(10), one O(12), one O(7), and one O(9) atom to form MnO5 trigonal bipyramids that share  a cornercorner with one Li(4)O4 tetrahedra, corners with three equivalent Li(1)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Mn(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to one O(11), one O(2), one O(3), one O(4), and one O(8) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(3)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Mn(1)O5 trigonal bipyramid, and  an edgeedge with one Fe(2)O5 trigonal bipyramid. In the second Fe site, Fe(2) is bonded to one O(1), one O(12), one O(3), one O(4), and one O(6) atom to form FeO5 trigonal bipyramids that share  a cornercorner with one Li(1)O4 tetrahedra, corners with three equivalent Li(3)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Mn(2)O5 trigonal bipyramid, and  an edgeedge with one Fe(1)O5 trigonal bipyramid. There are four inequivalent B sites. In the first B site, B(1) is bonded in a trigonal planar geometry to one O(2), one O(3), and one O(8) atom. In the second B site, B(2) is bonded in a trigonal planar geometry to one O(1), one O(4), and one O(6) atom. In the third B site, B(3) is bonded in a trigonal planar geometry to one O(12), one O(7), and one O(9) atom. In the fourth B site, B(4) is bonded in a trigonal planar geometry to one O(10), one O(11), and one O(5) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Li(3), one Mn(2), one Fe(2), and one B(2) atom. In the second O site, O(2) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Mn(1), one Fe(1), and one B(1) atom. In the third O site, O(3) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(2), and one B(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Li(3), one Fe(1), one Fe(2), and one B(2) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Li(4), one Mn(1), and one B(4) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Li(3), one Fe(2), and one B(2) atom. In the seventh O site, O(7) is bonded in a distorted trigonal pyramidal geometry to one Li(1), one Li(3), one Mn(2), and one B(3) atom. In the eighth O site, O(8) is bonded in a distorted trigonal pyramidal geometry to one Li(2), one Li(4), one Fe(1), and one B(1) atom. In the ninth O site, O(9) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Mn(1), one Mn(2), and one B(3) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Li(4), one Mn(1), one Mn(2), and one B(4) atom. In the eleventh O site, O(11) is bonded in a distorted rectangular see-saw-like geometry to one Li(4), one Mn(1), one Fe(1), and one B(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Li(1), one Mn(2), one Fe(2), and one B(3) atom. is represented by the CIF file [CIF]
data_Li2MnFe(BO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.216
_cell_length_b   5.238
_cell_length_c   10.486
_cell_angle_alpha   90.870
_cell_angle_beta   90.995
_cell_angle_gamma   119.749
_symmetry_Int_Tables_number   1
_cell_volume   248.572
_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
  Li  Li0  1  0.677  0.652  0.667  1.0
  Li  Li1  1  0.652  0.675  0.169  1.0
  Li  Li2  1  0.353  0.342  0.417  1.0
  Li  Li3  1  0.336  0.345  0.917  1.0
  Mn  Mn4  1  0.668  0.004  0.885  1.0
  Mn  Mn5  1  0.002  0.327  0.632  1.0
  Fe  Fe6  1  0.316  0.002  0.133  1.0
  Fe  Fe7  1  0.018  0.675  0.379  1.0
  B  B8  1  0.996  0.337  0.128  1.0
  B  B9  1  0.669  0.006  0.374  1.0
  B  B10  1  0.340  0.998  0.624  1.0
  B  B11  1  0.002  0.665  0.878  1.0
  O  O12  1  0.929  0.257  0.415  1.0
  O  O13  1  0.741  0.068  0.099  1.0
  O  O14  1  0.976  0.582  0.166  1.0
  O  O15  1  0.417  0.031  0.345  1.0
  O  O16  1  0.727  0.641  0.862  1.0
  O  O17  1  0.654  0.736  0.361  1.0
  O  O18  1  0.370  0.273  0.610  1.0
  O  O19  1  0.271  0.359  0.115  1.0
  O  O20  1  0.579  0.968  0.667  1.0
  O  O21  1  0.036  0.423  0.847  1.0
  O  O22  1  0.244  0.929  0.921  1.0
  O  O23  1  0.069  0.748  0.594  1.0
[/CIF]
.