The structure described by Li3SiBiO5 crystallizes in the orthorhombic Pna2_1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form distorted LiO4 tetrahedra that share corners with three equivalent Si(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, and corners with two equivalent Li(3)O4 trigonal pyramids. In the second Li site, Li(2) is bonded to one O(2), one O(5), and two equivalent O(3) atoms to form LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, corners with four equivalent Si(1)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the third Li site, Li(3) is bonded to one O(1), one O(2), and two equivalent O(4) atoms to form LiO4 trigonal pyramids that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with three equivalent Si(1)O4 tetrahedra, and corners with two equivalent Li(3)O4 trigonal pyramids. Si(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form SiO4 tetrahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, and corners with three equivalent Li(3)O4 trigonal pyramids. Bi(1) is bonded in a 4-coordinate geometry to one O(4), one O(5), and two equivalent O(1) atoms. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(3), and two equivalent Bi(1) atoms to form distorted OLi2Bi2 tetrahedra that share corners with two equivalent O(1)Li2Bi2 tetrahedra,  a cornercorner with one O(3)Li3Si trigonal pyramid, corners with two equivalent O(2)Li3Si trigonal pyramids, corners with three equivalent O(5)Li2SiBi trigonal pyramids, and edges with two equivalent O(4)Li2SiBi trigonal pyramids. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(3), and one Si(1) atom to form OLi3Si trigonal pyramids that share corners with two equivalent O(1)Li2Bi2 tetrahedra, corners with three equivalent O(4)Li2SiBi trigonal pyramids, corners with three equivalent O(5)Li2SiBi trigonal pyramids, and corners with four equivalent O(3)Li3Si trigonal pyramids. In the third O site, O(3) is bonded to one Li(1), two equivalent Li(2), and one Si(1) atom to form OLi3Si trigonal pyramids that share  a cornercorner with one O(1)Li2Bi2 tetrahedra,  a cornercorner with one O(4)Li2SiBi trigonal pyramid, corners with two equivalent O(3)Li3Si trigonal pyramids, corners with four equivalent O(5)Li2SiBi trigonal pyramids, and corners with four equivalent O(2)Li3Si trigonal pyramids. In the fourth O site, O(4) is bonded to two equivalent Li(3), one Si(1), and one Bi(1) atom to form distorted OLi2SiBi trigonal pyramids that share  a cornercorner with one O(3)Li3Si trigonal pyramid, corners with two equivalent O(4)Li2SiBi trigonal pyramids, corners with three equivalent O(2)Li3Si trigonal pyramids, edges with two equivalent O(1)Li2Bi2 tetrahedra, and  an edgeedge with one O(5)Li2SiBi trigonal pyramid. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Si(1), and one Bi(1) atom to form distorted OLi2SiBi trigonal pyramids that share corners with three equivalent O(1)Li2Bi2 tetrahedra, corners with three equivalent O(2)Li3Si trigonal pyramids, corners with four equivalent O(3)Li3Si trigonal pyramids, and  an edgeedge with one O(4)Li2SiBi trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li3SiBiO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.286
_cell_length_b   5.520
_cell_length_c   16.596
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   484.252
_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  0.998  0.663  0.578  1.0
  Li  Li1  1  0.998  0.163  0.922  1.0
  Li  Li2  1  0.515  0.325  0.984  1.0
  Li  Li3  1  0.515  0.825  0.516  1.0
  Li  Li4  1  0.482  0.298  0.807  1.0
  Li  Li5  1  0.482  0.798  0.693  1.0
  Li  Li6  1  0.498  0.337  0.422  1.0
  Li  Li7  1  0.498  0.837  0.078  1.0
  Li  Li8  1  0.015  0.675  0.016  1.0
  Li  Li9  1  0.015  0.175  0.484  1.0
  Li  Li10  1  0.982  0.202  0.307  1.0
  Li  Li11  1  0.982  0.702  0.193  1.0
  Si  Si12  1  0.005  0.168  0.094  1.0
  Si  Si13  1  0.005  0.668  0.406  1.0
  Si  Si14  1  0.505  0.332  0.594  1.0
  Si  Si15  1  0.505  0.832  0.906  1.0
  Bi  Bi16  1  0.035  0.181  0.683  1.0
  Bi  Bi17  1  0.035  0.681  0.817  1.0
  Bi  Bi18  1  0.535  0.319  0.183  1.0
  Bi  Bi19  1  0.535  0.819  0.317  1.0
  O  O20  1  0.103  0.295  0.811  1.0
  O  O21  1  0.103  0.795  0.689  1.0
  O  O22  1  0.131  0.401  0.392  1.0
  O  O23  1  0.131  0.901  0.108  1.0
  O  O24  1  0.151  0.336  0.027  1.0
  O  O25  1  0.151  0.836  0.473  1.0
  O  O26  1  0.975  0.316  0.184  1.0
  O  O27  1  0.975  0.816  0.316  1.0
  O  O28  1  0.199  0.355  0.570  1.0
  O  O29  1  0.199  0.855  0.930  1.0
  O  O30  1  0.603  0.205  0.311  1.0
  O  O31  1  0.603  0.705  0.189  1.0
  O  O32  1  0.631  0.099  0.892  1.0
  O  O33  1  0.631  0.599  0.608  1.0
  O  O34  1  0.651  0.164  0.527  1.0
  O  O35  1  0.651  0.664  0.973  1.0
  O  O36  1  0.475  0.184  0.684  1.0
  O  O37  1  0.475  0.684  0.816  1.0
  O  O38  1  0.699  0.145  0.070  1.0
  O  O39  1  0.699  0.645  0.430  1.0
[/CIF]
.
The structure described by Li3SiBiO5 crystallizes in the orthorhombic Pna2_1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(2), one O(3), and one O(5) atom to form distorted LiO4 tetrahedra that share corners with three equivalent Si(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, and corners with two equivalent Li(3)O4 trigonal pyramids. In the second Li site, Li(2) is bonded to one O(2), one O(5), and two equivalent O(3) atoms to form LiO4 tetrahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, corners with four equivalent Si(1)O4 tetrahedra, and  a cornercorner with one Li(3)O4 trigonal pyramid. In the third Li site, Li(3) is bonded to one O(1), one O(2), and two equivalent O(4) atoms to form LiO4 trigonal pyramids that share  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with three equivalent Si(1)O4 tetrahedra, and corners with two equivalent Li(3)O4 trigonal pyramids. Si(1) is bonded to one O(2), one O(3), one O(4), and one O(5) atom to form SiO4 tetrahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, and corners with three equivalent Li(3)O4 trigonal pyramids. Bi(1) is bonded in a 4-coordinate geometry to one O(4), one O(5), and two equivalent O(1) atoms. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(3), and two equivalent Bi(1) atoms to form distorted OLi2Bi2 tetrahedra that share corners with two equivalent O(1)Li2Bi2 tetrahedra,  a cornercorner with one O(3)Li3Si trigonal pyramid, corners with two equivalent O(2)Li3Si trigonal pyramids, corners with three equivalent O(5)Li2SiBi trigonal pyramids, and edges with two equivalent O(4)Li2SiBi trigonal pyramids. In the second O site, O(2) is bonded to one Li(1), one Li(2), one Li(3), and one Si(1) atom to form OLi3Si trigonal pyramids that share corners with two equivalent O(1)Li2Bi2 tetrahedra, corners with three equivalent O(4)Li2SiBi trigonal pyramids, corners with three equivalent O(5)Li2SiBi trigonal pyramids, and corners with four equivalent O(3)Li3Si trigonal pyramids. In the third O site, O(3) is bonded to one Li(1), two equivalent Li(2), and one Si(1) atom to form OLi3Si trigonal pyramids that share  a cornercorner with one O(1)Li2Bi2 tetrahedra,  a cornercorner with one O(4)Li2SiBi trigonal pyramid, corners with two equivalent O(3)Li3Si trigonal pyramids, corners with four equivalent O(5)Li2SiBi trigonal pyramids, and corners with four equivalent O(2)Li3Si trigonal pyramids. In the fourth O site, O(4) is bonded to two equivalent Li(3), one Si(1), and one Bi(1) atom to form distorted OLi2SiBi trigonal pyramids that share  a cornercorner with one O(3)Li3Si trigonal pyramid, corners with two equivalent O(4)Li2SiBi trigonal pyramids, corners with three equivalent O(2)Li3Si trigonal pyramids, edges with two equivalent O(1)Li2Bi2 tetrahedra, and  an edgeedge with one O(5)Li2SiBi trigonal pyramid. In the fifth O site, O(5) is bonded to one Li(1), one Li(2), one Si(1), and one Bi(1) atom to form distorted OLi2SiBi trigonal pyramids that share corners with three equivalent O(1)Li2Bi2 tetrahedra, corners with three equivalent O(2)Li3Si trigonal pyramids, corners with four equivalent O(3)Li3Si trigonal pyramids, and  an edgeedge with one O(4)Li2SiBi trigonal pyramid. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li3SiBiO5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.286
_cell_length_b   5.520
_cell_length_c   16.596
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   484.252
_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  0.998  0.663  0.578  1.0
  Li  Li1  1  0.998  0.163  0.922  1.0
  Li  Li2  1  0.515  0.325  0.984  1.0
  Li  Li3  1  0.515  0.825  0.516  1.0
  Li  Li4  1  0.482  0.298  0.807  1.0
  Li  Li5  1  0.482  0.798  0.693  1.0
  Li  Li6  1  0.498  0.337  0.422  1.0
  Li  Li7  1  0.498  0.837  0.078  1.0
  Li  Li8  1  0.015  0.675  0.016  1.0
  Li  Li9  1  0.015  0.175  0.484  1.0
  Li  Li10  1  0.982  0.202  0.307  1.0
  Li  Li11  1  0.982  0.702  0.193  1.0
  Si  Si12  1  0.005  0.168  0.094  1.0
  Si  Si13  1  0.005  0.668  0.406  1.0
  Si  Si14  1  0.505  0.332  0.594  1.0
  Si  Si15  1  0.505  0.832  0.906  1.0
  Bi  Bi16  1  0.035  0.181  0.683  1.0
  Bi  Bi17  1  0.035  0.681  0.817  1.0
  Bi  Bi18  1  0.535  0.319  0.183  1.0
  Bi  Bi19  1  0.535  0.819  0.317  1.0
  O  O20  1  0.103  0.295  0.811  1.0
  O  O21  1  0.103  0.795  0.689  1.0
  O  O22  1  0.131  0.401  0.392  1.0
  O  O23  1  0.131  0.901  0.108  1.0
  O  O24  1  0.151  0.336  0.027  1.0
  O  O25  1  0.151  0.836  0.473  1.0
  O  O26  1  0.975  0.316  0.184  1.0
  O  O27  1  0.975  0.816  0.316  1.0
  O  O28  1  0.199  0.355  0.570  1.0
  O  O29  1  0.199  0.855  0.930  1.0
  O  O30  1  0.603  0.205  0.311  1.0
  O  O31  1  0.603  0.705  0.189  1.0
  O  O32  1  0.631  0.099  0.892  1.0
  O  O33  1  0.631  0.599  0.608  1.0
  O  O34  1  0.651  0.164  0.527  1.0
  O  O35  1  0.651  0.664  0.973  1.0
  O  O36  1  0.475  0.184  0.684  1.0
  O  O37  1  0.475  0.684  0.816  1.0
  O  O38  1  0.699  0.145  0.070  1.0
  O  O39  1  0.699  0.645  0.430  1.0
[/CIF]
.