The compound described by LiY4(BiO3)4 crystallizes in the monoclinic Pm space group. Li(1) is bonded to one O(5), one O(7), and two equivalent O(3) atoms to form LiO4 tetrahedra that share corners with four equivalent Bi(2)O5 trigonal bipyramids. There are four inequivalent Y sites. In the first Y site, Y(1) is bonded to one O(6), one O(8), two equivalent O(2), and two equivalent O(4) atoms to form distorted YO6 pentagonal pyramids that share corners with two equivalent Y(3)O6 pentagonal pyramids, edges with two equivalent Y(3)O6 pentagonal pyramids, and edges with two equivalent Bi(2)O5 trigonal bipyramids. In the second Y site, Y(2) is bonded in a 6-coordinate geometry to one O(5), one O(7), two equivalent O(1), and two equivalent O(3) atoms. In the third Y site, Y(3) is bonded to one O(6), one O(8), two equivalent O(2), and two equivalent O(4) atoms to form distorted YO6 pentagonal pyramids that share corners with two equivalent Y(1)O6 pentagonal pyramids, corners with four equivalent Bi(2)O5 trigonal bipyramids, and edges with two equivalent Y(1)O6 pentagonal pyramids. In the fourth Y site, Y(4) is bonded in a 6-coordinate geometry to one O(5), one O(7), two equivalent O(1), and two equivalent O(3) atoms. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom. In the second Bi site, Bi(2) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(7) atom to form distorted BiO5 trigonal bipyramids that share corners with two equivalent Y(3)O6 pentagonal pyramids, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Bi(2)O5 trigonal bipyramid, and  an edgeedge with one Y(1)O6 pentagonal pyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Y(2), one Y(4), one Bi(1), and one Bi(2) atom to form OY2Bi2 tetrahedra that share corners with two equivalent O(2)Y2Bi2 tetrahedra, corners with two equivalent O(4)Y2Bi2 tetrahedra, corners with three equivalent O(7)LiY2Bi2 trigonal bipyramids, and  an edgeedge with one O(1)Y2Bi2 tetrahedra. In the second O site, O(2) is bonded to one Y(1), one Y(3), one Bi(1), and one Bi(2) atom to form OY2Bi2 tetrahedra that share corners with two equivalent O(1)Y2Bi2 tetrahedra, corners with two equivalent O(4)Y2Bi2 tetrahedra,  a cornercorner with one O(7)LiY2Bi2 trigonal bipyramid,  an edgeedge with one O(2)Y2Bi2 tetrahedra, and edges with two equivalent O(4)Y2Bi2 tetrahedra. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(1), one Y(2), one Y(4), one Bi(1), and one Bi(2) atom. In the fourth O site, O(4) is bonded to one Y(1), one Y(3), one Bi(1), and one Bi(2) atom to form distorted OY2Bi2 tetrahedra that share corners with two equivalent O(1)Y2Bi2 tetrahedra, corners with two equivalent O(2)Y2Bi2 tetrahedra,  a cornercorner with one O(7)LiY2Bi2 trigonal bipyramid,  an edgeedge with one O(4)Y2Bi2 tetrahedra, and edges with two equivalent O(2)Y2Bi2 tetrahedra. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one Y(2), and one Y(4) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Y(1), one Y(3), and two equivalent Bi(1) atoms. In the seventh O site, O(7) is bonded to one Li(1), one Y(2), one Y(4), and two equivalent Bi(2) atoms to form distorted corner-sharing OLiY2Bi2 trigonal bipyramids. In the eighth O site, O(8) is bonded in a see-saw-like geometry to one Y(1), one Y(3), and two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_LiY4(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.587
_cell_length_b   5.931
_cell_length_c   10.149
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   89.888
_symmetry_Int_Tables_number   1
_cell_volume   336.308
_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  0.047  0.635  0.250  1.0
  Y  Y1  1  0.052  0.972  0.750  1.0
  Y  Y2  1  0.550  0.515  0.250  1.0
  Y  Y3  1  0.434  0.458  0.750  1.0
  Y  Y4  1  0.956  0.072  0.250  1.0
  Bi  Bi5  1  0.931  0.485  0.558  1.0
  Bi  Bi6  1  0.477  0.974  0.473  1.0
  Bi  Bi7  1  0.477  0.974  0.027  1.0
  Bi  Bi8  1  0.931  0.485  0.942  1.0
  O  O9  1  0.707  0.255  0.390  1.0
  O  O10  1  0.231  0.222  0.606  1.0
  O  O11  1  0.798  0.749  0.114  1.0
  O  O12  1  0.243  0.707  0.891  1.0
  O  O13  1  0.243  0.707  0.609  1.0
  O  O14  1  0.798  0.749  0.386  1.0
  O  O15  1  0.231  0.222  0.894  1.0
  O  O16  1  0.707  0.255  0.110  1.0
  O  O17  1  0.193  0.361  0.250  1.0
  O  O18  1  0.761  0.233  0.750  1.0
  O  O19  1  0.313  0.856  0.250  1.0
  O  O20  1  0.773  0.690  0.750  1.0
[/CIF]
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The compound described by LiY4(BiO3)4 crystallizes in the monoclinic Pm space group. Li(1) is bonded to one O(5), one O(7), and two equivalent O(3) atoms to form LiO4 tetrahedra that share corners with four equivalent Bi(2)O5 trigonal bipyramids. There are four inequivalent Y sites. In the first Y site, Y(1) is bonded to one O(6), one O(8), two equivalent O(2), and two equivalent O(4) atoms to form distorted YO6 pentagonal pyramids that share corners with two equivalent Y(3)O6 pentagonal pyramids, edges with two equivalent Y(3)O6 pentagonal pyramids, and edges with two equivalent Bi(2)O5 trigonal bipyramids. In the second Y site, Y(2) is bonded in a 6-coordinate geometry to one O(5), one O(7), two equivalent O(1), and two equivalent O(3) atoms. In the third Y site, Y(3) is bonded to one O(6), one O(8), two equivalent O(2), and two equivalent O(4) atoms to form distorted YO6 pentagonal pyramids that share corners with two equivalent Y(1)O6 pentagonal pyramids, corners with four equivalent Bi(2)O5 trigonal bipyramids, and edges with two equivalent Y(1)O6 pentagonal pyramids. In the fourth Y site, Y(4) is bonded in a 6-coordinate geometry to one O(5), one O(7), two equivalent O(1), and two equivalent O(3) atoms. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(6), and one O(8) atom. In the second Bi site, Bi(2) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(7) atom to form distorted BiO5 trigonal bipyramids that share corners with two equivalent Y(3)O6 pentagonal pyramids, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Bi(2)O5 trigonal bipyramid, and  an edgeedge with one Y(1)O6 pentagonal pyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Y(2), one Y(4), one Bi(1), and one Bi(2) atom to form OY2Bi2 tetrahedra that share corners with two equivalent O(2)Y2Bi2 tetrahedra, corners with two equivalent O(4)Y2Bi2 tetrahedra, corners with three equivalent O(7)LiY2Bi2 trigonal bipyramids, and  an edgeedge with one O(1)Y2Bi2 tetrahedra. In the second O site, O(2) is bonded to one Y(1), one Y(3), one Bi(1), and one Bi(2) atom to form OY2Bi2 tetrahedra that share corners with two equivalent O(1)Y2Bi2 tetrahedra, corners with two equivalent O(4)Y2Bi2 tetrahedra,  a cornercorner with one O(7)LiY2Bi2 trigonal bipyramid,  an edgeedge with one O(2)Y2Bi2 tetrahedra, and edges with two equivalent O(4)Y2Bi2 tetrahedra. In the third O site, O(3) is bonded in a 5-coordinate geometry to one Li(1), one Y(2), one Y(4), one Bi(1), and one Bi(2) atom. In the fourth O site, O(4) is bonded to one Y(1), one Y(3), one Bi(1), and one Bi(2) atom to form distorted OY2Bi2 tetrahedra that share corners with two equivalent O(1)Y2Bi2 tetrahedra, corners with two equivalent O(2)Y2Bi2 tetrahedra,  a cornercorner with one O(7)LiY2Bi2 trigonal bipyramid,  an edgeedge with one O(4)Y2Bi2 tetrahedra, and edges with two equivalent O(2)Y2Bi2 tetrahedra. In the fifth O site, O(5) is bonded in a distorted T-shaped geometry to one Li(1), one Y(2), and one Y(4) atom. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Y(1), one Y(3), and two equivalent Bi(1) atoms. In the seventh O site, O(7) is bonded to one Li(1), one Y(2), one Y(4), and two equivalent Bi(2) atoms to form distorted corner-sharing OLiY2Bi2 trigonal bipyramids. In the eighth O site, O(8) is bonded in a see-saw-like geometry to one Y(1), one Y(3), and two equivalent Bi(1) atoms. is represented by the CIF file [CIF]
data_LiY4(BiO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.587
_cell_length_b   5.931
_cell_length_c   10.149
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   89.888
_symmetry_Int_Tables_number   1
_cell_volume   336.308
_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  0.047  0.635  0.250  1.0
  Y  Y1  1  0.052  0.972  0.750  1.0
  Y  Y2  1  0.550  0.515  0.250  1.0
  Y  Y3  1  0.434  0.458  0.750  1.0
  Y  Y4  1  0.956  0.072  0.250  1.0
  Bi  Bi5  1  0.931  0.485  0.558  1.0
  Bi  Bi6  1  0.477  0.974  0.473  1.0
  Bi  Bi7  1  0.477  0.974  0.027  1.0
  Bi  Bi8  1  0.931  0.485  0.942  1.0
  O  O9  1  0.707  0.255  0.390  1.0
  O  O10  1  0.231  0.222  0.606  1.0
  O  O11  1  0.798  0.749  0.114  1.0
  O  O12  1  0.243  0.707  0.891  1.0
  O  O13  1  0.243  0.707  0.609  1.0
  O  O14  1  0.798  0.749  0.386  1.0
  O  O15  1  0.231  0.222  0.894  1.0
  O  O16  1  0.707  0.255  0.110  1.0
  O  O17  1  0.193  0.361  0.250  1.0
  O  O18  1  0.761  0.233  0.750  1.0
  O  O19  1  0.313  0.856  0.250  1.0
  O  O20  1  0.773  0.690  0.750  1.0
[/CIF]
.