The structure described by Li2CrF4 crystallizes in the monoclinic Pm space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one F(13), one F(3), one F(4), and two equivalent F(2) atoms to form LiF5 square pyramids that share  a cornercorner with one Cr(2)F6 octahedra,  a cornercorner with one Cr(3)F6 octahedra, corners with two equivalent Li(1)F5 square pyramids,  an edgeedge with one Li(8)F6 octahedra, edges with two equivalent Cr(1)F6 octahedra, and edges with two equivalent Li(2)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 18-71°. In the second Li site, Li(2) is bonded to one F(15), one F(2), one F(6), and two equivalent F(4) atoms to form LiF5 trigonal bipyramids that share  a cornercorner with one Li(4)F6 octahedra,  a cornercorner with one Cr(1)F6 octahedra,  a cornercorner with one Cr(4)F6 octahedra,  a cornercorner with one Li(7)F5 square pyramid, corners with two equivalent Li(2)F5 trigonal bipyramids, edges with two equivalent Li(8)F6 octahedra, edges with two equivalent Cr(2)F6 octahedra, and edges with two equivalent Li(1)F5 square pyramids. The corner-sharing octahedral tilt angles range from 0-74°. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one F(10), one F(3), one F(7), one F(8), and two equivalent F(5) atoms. In the fourth Li site, Li(4) is bonded to one F(1), one F(12), one F(5), one F(6), and two equivalent F(7) atoms to form LiF6 octahedra that share corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Cr(4)F6 octahedra,  a cornercorner with one Li(7)F5 square pyramid,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Cr(1)F6 octahedra, edges with two equivalent Li(6)F6 octahedra, edges with two equivalent Cr(2)F6 octahedra, and  an edgeedge with one Li(5)F5 square pyramid. The corner-sharing octahedral tilt angles range from 9-22°. In the fifth Li site, Li(5) is bonded to one F(12), one F(16), one F(5), and two equivalent F(10) atoms to form LiF5 square pyramids that share corners with two equivalent Cr(1)F6 octahedra, corners with two equivalent Cr(3)F6 octahedra,  a cornercorner with one Li(7)F5 square pyramid, corners with two equivalent Li(5)F5 square pyramids,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Cr(4)F6 octahedra, and edges with two equivalent Li(6)F6 octahedra. The corner-sharing octahedral tilt angles range from 7-89°. In the sixth Li site, Li(6) is bonded to one F(10), one F(14), one F(7), one F(9), and two equivalent F(12) atoms to form LiF6 octahedra that share corners with two equivalent Li(6)F6 octahedra, corners with two equivalent Cr(3)F6 octahedra,  an edgeedge with one Li(8)F6 octahedra,  an edgeedge with one Cr(2)F6 octahedra, edges with two equivalent Li(4)F6 octahedra, edges with two equivalent Cr(4)F6 octahedra, edges with two equivalent Li(5)F5 square pyramids, and edges with two equivalent Li(7)F5 square pyramids. The corner-sharing octahedral tilt angles range from 7-15°. In the seventh Li site, Li(7) is bonded to one F(11), one F(12), one F(15), and two equivalent F(9) atoms to form LiF5 square pyramids that share  a cornercorner with one Li(4)F6 octahedra, corners with two equivalent Cr(2)F6 octahedra,  a cornercorner with one Li(5)F5 square pyramid, corners with two equivalent Li(7)F5 square pyramids,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Cr(4)F6 octahedra, edges with two equivalent Li(6)F6 octahedra, edges with two equivalent Li(8)F6 octahedra, and edges with two equivalent Cr(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 76-88°. In the eighth Li site, Li(8) is bonded to one F(13), one F(14), one F(4), one F(9), and two equivalent F(15) atoms to form LiF6 octahedra that share corners with two equivalent Li(8)F6 octahedra, corners with two equivalent Cr(2)F6 octahedra,  an edgeedge with one Li(6)F6 octahedra,  an edgeedge with one Cr(3)F6 octahedra, edges with two equivalent Cr(4)F6 octahedra,  an edgeedge with one Li(1)F5 square pyramid, edges with two equivalent Li(7)F5 square pyramids, and edges with two equivalent Li(2)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 10-17°. There are four inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one F(1), one F(16), one F(2), one F(5), and two equivalent F(3) atoms to form distorted CrF6 octahedra that share corners with two equivalent Cr(1)F6 octahedra, corners with two equivalent Li(5)F5 square pyramids,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Cr(4)F6 octahedra, and edges with two equivalent Li(1)F5 square pyramids. The corner-sharing octahedral tilt angles are 20°. In the second Cr site, Cr(2) is bonded to one F(4), one F(7), one F(8), one F(9), and two equivalent F(6) atoms to form CrF6 octahedra that share corners with two equivalent Li(8)F6 octahedra, corners with two equivalent Cr(2)F6 octahedra,  a cornercorner with one Li(1)F5 square pyramid, corners with two equivalent Li(7)F5 square pyramids,  an edgeedge with one Li(6)F6 octahedra,  an edgeedge with one Cr(3)F6 octahedra, edges with two equivalent Li(4)F6 octahedra, and edges with two equivalent Li(2)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 10-15°. In the third Cr site, Cr(3) is bonded to one F(10), one F(13), one F(8), one F(9), and two equivalent F(11) atoms to form distorted CrF6 octahedra that share corners with two equivalent Li(6)F6 octahedra, corners with two equivalent Cr(3)F6 octahedra,  a cornercorner with one Li(1)F5 square pyramid, corners with two equivalent Li(5)F5 square pyramids,  an edgeedge with one Li(8)F6 octahedra,  an edgeedge with one Cr(2)F6 octahedra, and edges with two equivalent Li(7)F5 square pyramids. The corner-sharing octahedral tilt angles range from 7-15°. In the fourth Cr site, Cr(4) is bonded to one F(1), one F(12), one F(15), one F(16), and two equivalent F(14) atoms to form CrF6 octahedra that share corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Cr(4)F6 octahedra,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Cr(1)F6 octahedra, edges with two equivalent Li(6)F6 octahedra, edges with two equivalent Li(8)F6 octahedra,  an edgeedge with one Li(5)F5 square pyramid, and  an edgeedge with one Li(7)F5 square pyramid. The corner-sharing octahedral tilt angles range from 9-18°. There are sixteen inequivalent F sites. In the first F site, F(1) is bonded in a T-shaped geometry to one Li(4), one Cr(1), and one Cr(4) atom. In the second F site, F(2) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Li(1), and one Cr(1) atom. In the third F site, F(3) is bonded in a see-saw-like geometry to one Li(1), one Li(3), and two equivalent Cr(1) atoms. In the fourth F site, F(4) is bonded to one Li(1), one Li(8), two equivalent Li(2), and one Cr(2) atom to form distorted FLi4Cr trigonal bipyramids that share corners with two equivalent F(9)Li4Cr2 octahedra, corners with two equivalent F(4)Li4Cr trigonal bipyramids,  a cornercorner with one F(14)Li2Cr2 trigonal pyramid, and edges with two equivalent F(15)Li4Cr square pyramids. The corner-sharing octahedral tilt angles range from 2-3°. In the fifth F site, F(5) is bonded to one Li(4), one Li(5), two equivalent Li(3), and one Cr(1) atom to form distorted FLi4Cr square pyramids that share corners with two equivalent F(5)Li4Cr square pyramids,  an edgeedge with one F(12)Li5Cr octahedra, and edges with two equivalent F(10)Li4Cr square pyramids. In the sixth F site, F(6) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(4), and two equivalent Cr(2) atoms. In the seventh F site, F(7) is bonded in a 4-coordinate geometry to one Li(3), one Li(6), two equivalent Li(4), and one Cr(2) atom. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Li(3), one Cr(2), and one Cr(3) atom. In the ninth F site, F(9) is bonded to one Li(6), one Li(8), two equivalent Li(7), one Cr(2), and one Cr(3) atom to form distorted FLi4Cr2 octahedra that share corners with two equivalent F(9)Li4Cr2 octahedra, corners with two equivalent F(10)Li4Cr square pyramids, corners with two equivalent F(4)Li4Cr trigonal bipyramids, edges with two equivalent F(12)Li5Cr octahedra, edges with two equivalent F(15)Li4Cr square pyramids, and  an edgeedge with one F(14)Li2Cr2 trigonal pyramid. The corner-sharing octahedral tilt angles are 6°. In the tenth F site, F(10) is bonded to one Li(3), one Li(6), two equivalent Li(5), and one Cr(3) atom to form distorted FLi4Cr square pyramids that share corners with two equivalent F(9)Li4Cr2 octahedra, corners with two equivalent F(10)Li4Cr square pyramids,  a cornercorner with one F(14)Li2Cr2 trigonal pyramid, edges with two equivalent F(12)Li5Cr octahedra, and edges with two equivalent F(5)Li4Cr square pyramids. The corner-sharing octahedral tilt angles range from 4-11°. In the eleventh F site, F(11) is bonded in a T-shaped geometry to one Li(7) and two equivalent Cr(3) atoms. In the twelfth F site, F(12) is bonded to one Li(4), one Li(5), one Li(7), two equivalent Li(6), and one Cr(4) atom to form FLi5Cr octahedra that share corners with two equivalent F(12)Li5Cr octahedra, edges with two equivalent F(9)Li4Cr2 octahedra,  an edgeedge with one F(15)Li4Cr square pyramid,  an edgeedge with one F(5)Li4Cr square pyramid, edges with two equivalent F(10)Li4Cr square pyramids, and edges with two equivalent F(14)Li2Cr2 trigonal pyramids. The corner-sharing octahedral tilt angles are 7°. In the thirteenth F site, F(13) is bonded in a T-shaped geometry to one Li(1), one Li(8), and one Cr(3) atom. In the fourteenth F site, F(14) is bonded to one Li(6), one Li(8), and two equivalent Cr(4) atoms to form FLi2Cr2 trigonal pyramids that share  a cornercorner with one F(10)Li4Cr square pyramid,  a cornercorner with one F(4)Li4Cr trigonal bipyramid, corners with two equivalent F(14)Li2Cr2 trigonal pyramids,  an edgeedge with one F(9)Li4Cr2 octahedra, edges with two equivalent F(12)Li5Cr octahedra, and edges with two equivalent F(15)Li4Cr square pyramids. In the fifteenth F site, F(15) is bonded to one Li(2), one Li(7), two equivalent Li(8), and one Cr(4) atom to form FLi4Cr square pyramids that share corners with two equivalent F(15)Li4Cr square pyramids,  an edgeedge with one F(12)Li5Cr octahedra, edges with two equivalent F(9)Li4Cr2 octahedra, edges with two equivalent F(4)Li4Cr trigonal bipyramids, and edges with two equivalent F(14)Li2Cr2 trigonal pyramids. In the sixteenth F site, F(16) is bonded in a T-shaped geometry to one Li(5), one Cr(1), and one Cr(4) atom. is represented by the CIF file [CIF]
data_Li2CrF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.081
_cell_length_b   8.853
_cell_length_c   8.942
_cell_angle_alpha   87.699
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   322.781
_cell_formula_units_Z   4
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  0.000  0.075  0.372  1.0
  Li  Li1  1  0.500  0.105  0.578  1.0
  Li  Li2  1  0.000  0.383  0.133  1.0
  Li  Li3  1  0.500  0.360  0.884  1.0
  Li  Li4  1  0.500  0.619  0.097  1.0
  Li  Li5  1  0.000  0.615  0.876  1.0
  Li  Li6  1  0.500  0.657  0.633  1.0
  Li  Li7  1  0.000  0.882  0.617  1.0
  Cr  Cr8  1  0.500  0.117  0.138  1.0
  Cr  Cr9  1  0.000  0.372  0.620  1.0
  Cr  Cr10  1  0.000  0.649  0.365  1.0
  Cr  Cr11  1  0.500  0.884  0.880  1.0
  F  F12  1  0.500  0.137  0.913  1.0
  F  F13  1  0.500  0.112  0.364  1.0
  F  F14  1  0.000  0.152  0.159  1.0
  F  F15  1  0.000  0.111  0.587  1.0
  F  F16  1  0.500  0.386  0.100  1.0
  F  F17  1  0.500  0.357  0.640  1.0
  F  F18  1  0.000  0.387  0.847  1.0
  F  F19  1  0.000  0.416  0.395  1.0
  F  F20  1  0.000  0.647  0.641  1.0
  F  F21  1  0.000  0.599  0.104  1.0
  F  F22  1  0.500  0.640  0.394  1.0
  F  F23  1  0.500  0.613  0.862  1.0
  F  F24  1  0.000  0.868  0.401  1.0
  F  F25  1  0.000  0.858  0.857  1.0
  F  F26  1  0.500  0.888  0.651  1.0
  F  F27  1  0.500  0.851  0.100  1.0
[/CIF]
.
The structure described by Li2CrF4 crystallizes in the monoclinic Pm space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one F(13), one F(3), one F(4), and two equivalent F(2) atoms to form LiF5 square pyramids that share  a cornercorner with one Cr(2)F6 octahedra,  a cornercorner with one Cr(3)F6 octahedra, corners with two equivalent Li(1)F5 square pyramids,  an edgeedge with one Li(8)F6 octahedra, edges with two equivalent Cr(1)F6 octahedra, and edges with two equivalent Li(2)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 18-71°. In the second Li site, Li(2) is bonded to one F(15), one F(2), one F(6), and two equivalent F(4) atoms to form LiF5 trigonal bipyramids that share  a cornercorner with one Li(4)F6 octahedra,  a cornercorner with one Cr(1)F6 octahedra,  a cornercorner with one Cr(4)F6 octahedra,  a cornercorner with one Li(7)F5 square pyramid, corners with two equivalent Li(2)F5 trigonal bipyramids, edges with two equivalent Li(8)F6 octahedra, edges with two equivalent Cr(2)F6 octahedra, and edges with two equivalent Li(1)F5 square pyramids. The corner-sharing octahedral tilt angles range from 0-74°. In the third Li site, Li(3) is bonded in a 6-coordinate geometry to one F(10), one F(3), one F(7), one F(8), and two equivalent F(5) atoms. In the fourth Li site, Li(4) is bonded to one F(1), one F(12), one F(5), one F(6), and two equivalent F(7) atoms to form LiF6 octahedra that share corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Cr(4)F6 octahedra,  a cornercorner with one Li(7)F5 square pyramid,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Cr(1)F6 octahedra, edges with two equivalent Li(6)F6 octahedra, edges with two equivalent Cr(2)F6 octahedra, and  an edgeedge with one Li(5)F5 square pyramid. The corner-sharing octahedral tilt angles range from 9-22°. In the fifth Li site, Li(5) is bonded to one F(12), one F(16), one F(5), and two equivalent F(10) atoms to form LiF5 square pyramids that share corners with two equivalent Cr(1)F6 octahedra, corners with two equivalent Cr(3)F6 octahedra,  a cornercorner with one Li(7)F5 square pyramid, corners with two equivalent Li(5)F5 square pyramids,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Cr(4)F6 octahedra, and edges with two equivalent Li(6)F6 octahedra. The corner-sharing octahedral tilt angles range from 7-89°. In the sixth Li site, Li(6) is bonded to one F(10), one F(14), one F(7), one F(9), and two equivalent F(12) atoms to form LiF6 octahedra that share corners with two equivalent Li(6)F6 octahedra, corners with two equivalent Cr(3)F6 octahedra,  an edgeedge with one Li(8)F6 octahedra,  an edgeedge with one Cr(2)F6 octahedra, edges with two equivalent Li(4)F6 octahedra, edges with two equivalent Cr(4)F6 octahedra, edges with two equivalent Li(5)F5 square pyramids, and edges with two equivalent Li(7)F5 square pyramids. The corner-sharing octahedral tilt angles range from 7-15°. In the seventh Li site, Li(7) is bonded to one F(11), one F(12), one F(15), and two equivalent F(9) atoms to form LiF5 square pyramids that share  a cornercorner with one Li(4)F6 octahedra, corners with two equivalent Cr(2)F6 octahedra,  a cornercorner with one Li(5)F5 square pyramid, corners with two equivalent Li(7)F5 square pyramids,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Cr(4)F6 octahedra, edges with two equivalent Li(6)F6 octahedra, edges with two equivalent Li(8)F6 octahedra, and edges with two equivalent Cr(3)F6 octahedra. The corner-sharing octahedral tilt angles range from 76-88°. In the eighth Li site, Li(8) is bonded to one F(13), one F(14), one F(4), one F(9), and two equivalent F(15) atoms to form LiF6 octahedra that share corners with two equivalent Li(8)F6 octahedra, corners with two equivalent Cr(2)F6 octahedra,  an edgeedge with one Li(6)F6 octahedra,  an edgeedge with one Cr(3)F6 octahedra, edges with two equivalent Cr(4)F6 octahedra,  an edgeedge with one Li(1)F5 square pyramid, edges with two equivalent Li(7)F5 square pyramids, and edges with two equivalent Li(2)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 10-17°. There are four inequivalent Cr sites. In the first Cr site, Cr(1) is bonded to one F(1), one F(16), one F(2), one F(5), and two equivalent F(3) atoms to form distorted CrF6 octahedra that share corners with two equivalent Cr(1)F6 octahedra, corners with two equivalent Li(5)F5 square pyramids,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Li(4)F6 octahedra,  an edgeedge with one Cr(4)F6 octahedra, and edges with two equivalent Li(1)F5 square pyramids. The corner-sharing octahedral tilt angles are 20°. In the second Cr site, Cr(2) is bonded to one F(4), one F(7), one F(8), one F(9), and two equivalent F(6) atoms to form CrF6 octahedra that share corners with two equivalent Li(8)F6 octahedra, corners with two equivalent Cr(2)F6 octahedra,  a cornercorner with one Li(1)F5 square pyramid, corners with two equivalent Li(7)F5 square pyramids,  an edgeedge with one Li(6)F6 octahedra,  an edgeedge with one Cr(3)F6 octahedra, edges with two equivalent Li(4)F6 octahedra, and edges with two equivalent Li(2)F5 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 10-15°. In the third Cr site, Cr(3) is bonded to one F(10), one F(13), one F(8), one F(9), and two equivalent F(11) atoms to form distorted CrF6 octahedra that share corners with two equivalent Li(6)F6 octahedra, corners with two equivalent Cr(3)F6 octahedra,  a cornercorner with one Li(1)F5 square pyramid, corners with two equivalent Li(5)F5 square pyramids,  an edgeedge with one Li(8)F6 octahedra,  an edgeedge with one Cr(2)F6 octahedra, and edges with two equivalent Li(7)F5 square pyramids. The corner-sharing octahedral tilt angles range from 7-15°. In the fourth Cr site, Cr(4) is bonded to one F(1), one F(12), one F(15), one F(16), and two equivalent F(14) atoms to form CrF6 octahedra that share corners with two equivalent Li(4)F6 octahedra, corners with two equivalent Cr(4)F6 octahedra,  a cornercorner with one Li(2)F5 trigonal bipyramid,  an edgeedge with one Cr(1)F6 octahedra, edges with two equivalent Li(6)F6 octahedra, edges with two equivalent Li(8)F6 octahedra,  an edgeedge with one Li(5)F5 square pyramid, and  an edgeedge with one Li(7)F5 square pyramid. The corner-sharing octahedral tilt angles range from 9-18°. There are sixteen inequivalent F sites. In the first F site, F(1) is bonded in a T-shaped geometry to one Li(4), one Cr(1), and one Cr(4) atom. In the second F site, F(2) is bonded in a rectangular see-saw-like geometry to one Li(2), two equivalent Li(1), and one Cr(1) atom. In the third F site, F(3) is bonded in a see-saw-like geometry to one Li(1), one Li(3), and two equivalent Cr(1) atoms. In the fourth F site, F(4) is bonded to one Li(1), one Li(8), two equivalent Li(2), and one Cr(2) atom to form distorted FLi4Cr trigonal bipyramids that share corners with two equivalent F(9)Li4Cr2 octahedra, corners with two equivalent F(4)Li4Cr trigonal bipyramids,  a cornercorner with one F(14)Li2Cr2 trigonal pyramid, and edges with two equivalent F(15)Li4Cr square pyramids. The corner-sharing octahedral tilt angles range from 2-3°. In the fifth F site, F(5) is bonded to one Li(4), one Li(5), two equivalent Li(3), and one Cr(1) atom to form distorted FLi4Cr square pyramids that share corners with two equivalent F(5)Li4Cr square pyramids,  an edgeedge with one F(12)Li5Cr octahedra, and edges with two equivalent F(10)Li4Cr square pyramids. In the sixth F site, F(6) is bonded in a distorted see-saw-like geometry to one Li(2), one Li(4), and two equivalent Cr(2) atoms. In the seventh F site, F(7) is bonded in a 4-coordinate geometry to one Li(3), one Li(6), two equivalent Li(4), and one Cr(2) atom. In the eighth F site, F(8) is bonded in a distorted T-shaped geometry to one Li(3), one Cr(2), and one Cr(3) atom. In the ninth F site, F(9) is bonded to one Li(6), one Li(8), two equivalent Li(7), one Cr(2), and one Cr(3) atom to form distorted FLi4Cr2 octahedra that share corners with two equivalent F(9)Li4Cr2 octahedra, corners with two equivalent F(10)Li4Cr square pyramids, corners with two equivalent F(4)Li4Cr trigonal bipyramids, edges with two equivalent F(12)Li5Cr octahedra, edges with two equivalent F(15)Li4Cr square pyramids, and  an edgeedge with one F(14)Li2Cr2 trigonal pyramid. The corner-sharing octahedral tilt angles are 6°. In the tenth F site, F(10) is bonded to one Li(3), one Li(6), two equivalent Li(5), and one Cr(3) atom to form distorted FLi4Cr square pyramids that share corners with two equivalent F(9)Li4Cr2 octahedra, corners with two equivalent F(10)Li4Cr square pyramids,  a cornercorner with one F(14)Li2Cr2 trigonal pyramid, edges with two equivalent F(12)Li5Cr octahedra, and edges with two equivalent F(5)Li4Cr square pyramids. The corner-sharing octahedral tilt angles range from 4-11°. In the eleventh F site, F(11) is bonded in a T-shaped geometry to one Li(7) and two equivalent Cr(3) atoms. In the twelfth F site, F(12) is bonded to one Li(4), one Li(5), one Li(7), two equivalent Li(6), and one Cr(4) atom to form FLi5Cr octahedra that share corners with two equivalent F(12)Li5Cr octahedra, edges with two equivalent F(9)Li4Cr2 octahedra,  an edgeedge with one F(15)Li4Cr square pyramid,  an edgeedge with one F(5)Li4Cr square pyramid, edges with two equivalent F(10)Li4Cr square pyramids, and edges with two equivalent F(14)Li2Cr2 trigonal pyramids. The corner-sharing octahedral tilt angles are 7°. In the thirteenth F site, F(13) is bonded in a T-shaped geometry to one Li(1), one Li(8), and one Cr(3) atom. In the fourteenth F site, F(14) is bonded to one Li(6), one Li(8), and two equivalent Cr(4) atoms to form FLi2Cr2 trigonal pyramids that share  a cornercorner with one F(10)Li4Cr square pyramid,  a cornercorner with one F(4)Li4Cr trigonal bipyramid, corners with two equivalent F(14)Li2Cr2 trigonal pyramids,  an edgeedge with one F(9)Li4Cr2 octahedra, edges with two equivalent F(12)Li5Cr octahedra, and edges with two equivalent F(15)Li4Cr square pyramids. In the fifteenth F site, F(15) is bonded to one Li(2), one Li(7), two equivalent Li(8), and one Cr(4) atom to form FLi4Cr square pyramids that share corners with two equivalent F(15)Li4Cr square pyramids,  an edgeedge with one F(12)Li5Cr octahedra, edges with two equivalent F(9)Li4Cr2 octahedra, edges with two equivalent F(4)Li4Cr trigonal bipyramids, and edges with two equivalent F(14)Li2Cr2 trigonal pyramids. In the sixteenth F site, F(16) is bonded in a T-shaped geometry to one Li(5), one Cr(1), and one Cr(4) atom. is represented by the CIF file [CIF]
data_Li2CrF4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.081
_cell_length_b   8.853
_cell_length_c   8.942
_cell_angle_alpha   87.699
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   322.781
_cell_formula_units_Z   4
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  0.000  0.075  0.372  1.0
  Li  Li1  1  0.500  0.105  0.578  1.0
  Li  Li2  1  0.000  0.383  0.133  1.0
  Li  Li3  1  0.500  0.360  0.884  1.0
  Li  Li4  1  0.500  0.619  0.097  1.0
  Li  Li5  1  0.000  0.615  0.876  1.0
  Li  Li6  1  0.500  0.657  0.633  1.0
  Li  Li7  1  0.000  0.882  0.617  1.0
  Cr  Cr8  1  0.500  0.117  0.138  1.0
  Cr  Cr9  1  0.000  0.372  0.620  1.0
  Cr  Cr10  1  0.000  0.649  0.365  1.0
  Cr  Cr11  1  0.500  0.884  0.880  1.0
  F  F12  1  0.500  0.137  0.913  1.0
  F  F13  1  0.500  0.112  0.364  1.0
  F  F14  1  0.000  0.152  0.159  1.0
  F  F15  1  0.000  0.111  0.587  1.0
  F  F16  1  0.500  0.386  0.100  1.0
  F  F17  1  0.500  0.357  0.640  1.0
  F  F18  1  0.000  0.387  0.847  1.0
  F  F19  1  0.000  0.416  0.395  1.0
  F  F20  1  0.000  0.647  0.641  1.0
  F  F21  1  0.000  0.599  0.104  1.0
  F  F22  1  0.500  0.640  0.394  1.0
  F  F23  1  0.500  0.613  0.862  1.0
  F  F24  1  0.000  0.868  0.401  1.0
  F  F25  1  0.000  0.858  0.857  1.0
  F  F26  1  0.500  0.888  0.651  1.0
  F  F27  1  0.500  0.851  0.100  1.0
[/CIF]
.