The crystal structure described by KLiErF5 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 9-coordinate geometry to one F(4), two equivalent F(1), two equivalent F(2), two equivalent F(3), and two equivalent F(5) atoms. Li(1) is bonded to one F(4), one F(5), and two equivalent F(1) atoms to form distorted corner-sharing LiF4 tetrahedra. Er(1) is bonded in a 8-coordinate geometry to one F(1), one F(5), two equivalent F(2), two equivalent F(3), and two equivalent F(4) atoms. There are five inequivalent F sites. In the first F site, F(1) is bonded in a 5-coordinate geometry to two equivalent K(1), two equivalent Li(1), and one Er(1) atom. In the second F site, F(2) is bonded in a 4-coordinate geometry to two equivalent K(1) and two equivalent Er(1) atoms. In the third F site, F(3) is bonded to two equivalent K(1) and two equivalent Er(1) atoms to form distorted FK2Er2 tetrahedra that share corners with four equivalent F(5)K2LiEr tetrahedra,  an edgeedge with one F(5)K2LiEr tetrahedra, and edges with two equivalent F(3)K2Er2 tetrahedra. In the fourth F site, F(4) is bonded in a 3-coordinate geometry to one K(1), one Li(1), and two equivalent Er(1) atoms. In the fifth F site, F(5) is bonded to two equivalent K(1), one Li(1), and one Er(1) atom to form distorted FK2LiEr tetrahedra that share corners with two equivalent F(5)K2LiEr tetrahedra, corners with four equivalent F(3)K2Er2 tetrahedra, and  an edgeedge with one F(3)K2Er2 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_KLiErF5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.456
_cell_length_b   6.309
_cell_length_c   11.812
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   113.967
_symmetry_Int_Tables_number   1
_cell_volume   439.632
_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
  K  K0  1  0.947  0.963  0.350  1.0
  K  K1  1  0.053  0.037  0.650  1.0
  K  K2  1  0.053  0.537  0.850  1.0
  K  K3  1  0.947  0.463  0.150  1.0
  Li  Li4  1  0.558  0.962  0.746  1.0
  Li  Li5  1  0.442  0.038  0.254  1.0
  Li  Li6  1  0.442  0.538  0.246  1.0
  Li  Li7  1  0.558  0.462  0.754  1.0
  Er  Er8  1  0.681  0.820  0.998  1.0
  Er  Er9  1  0.319  0.180  0.002  1.0
  Er  Er10  1  0.319  0.680  0.498  1.0
  Er  Er11  1  0.681  0.320  0.502  1.0
  F  F12  1  0.721  0.778  0.807  1.0
  F  F13  1  0.279  0.222  0.193  1.0
  F  F14  1  0.279  0.722  0.307  1.0
  F  F15  1  0.721  0.278  0.693  1.0
  F  F16  1  0.664  0.953  0.531  1.0
  F  F17  1  0.336  0.047  0.469  1.0
  F  F18  1  0.336  0.547  0.031  1.0
  F  F19  1  0.664  0.453  0.969  1.0
  F  F20  1  0.955  0.671  0.507  1.0
  F  F21  1  0.045  0.329  0.493  1.0
  F  F22  1  0.045  0.829  0.007  1.0
  F  F23  1  0.955  0.171  0.993  1.0
  F  F24  1  0.465  0.966  0.896  1.0
  F  F25  1  0.535  0.034  0.104  1.0
  F  F26  1  0.535  0.534  0.396  1.0
  F  F27  1  0.465  0.466  0.604  1.0
  F  F28  1  0.286  0.776  0.673  1.0
  F  F29  1  0.714  0.224  0.327  1.0
  F  F30  1  0.714  0.724  0.173  1.0
  F  F31  1  0.286  0.276  0.827  1.0
[/CIF]
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The crystal structure described by KLiErF5 crystallizes in the monoclinic P2_1/c space group. K(1) is bonded in a 9-coordinate geometry to one F(4), two equivalent F(1), two equivalent F(2), two equivalent F(3), and two equivalent F(5) atoms. Li(1) is bonded to one F(4), one F(5), and two equivalent F(1) atoms to form distorted corner-sharing LiF4 tetrahedra. Er(1) is bonded in a 8-coordinate geometry to one F(1), one F(5), two equivalent F(2), two equivalent F(3), and two equivalent F(4) atoms. There are five inequivalent F sites. In the first F site, F(1) is bonded in a 5-coordinate geometry to two equivalent K(1), two equivalent Li(1), and one Er(1) atom. In the second F site, F(2) is bonded in a 4-coordinate geometry to two equivalent K(1) and two equivalent Er(1) atoms. In the third F site, F(3) is bonded to two equivalent K(1) and two equivalent Er(1) atoms to form distorted FK2Er2 tetrahedra that share corners with four equivalent F(5)K2LiEr tetrahedra,  an edgeedge with one F(5)K2LiEr tetrahedra, and edges with two equivalent F(3)K2Er2 tetrahedra. In the fourth F site, F(4) is bonded in a 3-coordinate geometry to one K(1), one Li(1), and two equivalent Er(1) atoms. In the fifth F site, F(5) is bonded to two equivalent K(1), one Li(1), and one Er(1) atom to form distorted FK2LiEr tetrahedra that share corners with two equivalent F(5)K2LiEr tetrahedra, corners with four equivalent F(3)K2Er2 tetrahedra, and  an edgeedge with one F(3)K2Er2 tetrahedra. is represented by the Crystallographic Information File (CIF) [CIF]
data_KLiErF5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.456
_cell_length_b   6.309
_cell_length_c   11.812
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   113.967
_symmetry_Int_Tables_number   1
_cell_volume   439.632
_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
  K  K0  1  0.947  0.963  0.350  1.0
  K  K1  1  0.053  0.037  0.650  1.0
  K  K2  1  0.053  0.537  0.850  1.0
  K  K3  1  0.947  0.463  0.150  1.0
  Li  Li4  1  0.558  0.962  0.746  1.0
  Li  Li5  1  0.442  0.038  0.254  1.0
  Li  Li6  1  0.442  0.538  0.246  1.0
  Li  Li7  1  0.558  0.462  0.754  1.0
  Er  Er8  1  0.681  0.820  0.998  1.0
  Er  Er9  1  0.319  0.180  0.002  1.0
  Er  Er10  1  0.319  0.680  0.498  1.0
  Er  Er11  1  0.681  0.320  0.502  1.0
  F  F12  1  0.721  0.778  0.807  1.0
  F  F13  1  0.279  0.222  0.193  1.0
  F  F14  1  0.279  0.722  0.307  1.0
  F  F15  1  0.721  0.278  0.693  1.0
  F  F16  1  0.664  0.953  0.531  1.0
  F  F17  1  0.336  0.047  0.469  1.0
  F  F18  1  0.336  0.547  0.031  1.0
  F  F19  1  0.664  0.453  0.969  1.0
  F  F20  1  0.955  0.671  0.507  1.0
  F  F21  1  0.045  0.329  0.493  1.0
  F  F22  1  0.045  0.829  0.007  1.0
  F  F23  1  0.955  0.171  0.993  1.0
  F  F24  1  0.465  0.966  0.896  1.0
  F  F25  1  0.535  0.034  0.104  1.0
  F  F26  1  0.535  0.534  0.396  1.0
  F  F27  1  0.465  0.466  0.604  1.0
  F  F28  1  0.286  0.776  0.673  1.0
  F  F29  1  0.714  0.224  0.327  1.0
  F  F30  1  0.714  0.724  0.173  1.0
  F  F31  1  0.286  0.276  0.827  1.0
[/CIF]
.