The compound described by LiBi2P5O18 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 5-coordinate geometry to one O(13), one O(2), one O(3), one O(7), and one O(9) atom. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(11), one O(15), one O(17), one O(3), one O(4), and one O(7) atom to form BiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and corners with three equivalent P(2)O4 tetrahedra. In the second Bi site, Bi(2) is bonded to one O(1), one O(12), one O(14), one O(18), one O(5), and one O(8) atom to form BiO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are five inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(13), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(1)O6 octahedra and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 50°. In the second P site, P(2) is bonded to one O(11), one O(3), one O(4), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(2)O6 octahedra and corners with three equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-57°. In the third P site, P(3) is bonded to one O(12), one O(15), one O(16), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(1)O6 octahedra, corners with two equivalent Bi(2)O6 octahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-53°. In the fourth P site, P(4) is bonded to one O(1), one O(10), one O(18), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 46-50°. In the fifth P site, P(5) is bonded to one O(14), one O(16), one O(17), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(2)O6 octahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-52°. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Li(1) and one P(5) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Bi(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Bi(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(3) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Bi(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Li(1) and one P(4) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one P(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Bi(1) and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(3) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Li(1) and one P(1) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Bi(2) and one P(5) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Bi(1) and one P(3) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one P(3) and one P(5) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 120 degrees geometry to one Bi(1) and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 2-coordinate geometry to one Bi(2) and one P(4) atom. is represented by the CIF file [CIF]
data_LiBi2P5O18
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.834
_cell_length_b   9.790
_cell_length_c   11.099
_cell_angle_alpha   95.790
_cell_angle_beta   92.776
_cell_angle_gamma   92.505
_symmetry_Int_Tables_number   1
_cell_volume   737.022
_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  0.868  0.785  0.303  1.0
  Li  Li1  1  0.132  0.215  0.697  1.0
  Bi  Bi2  1  0.236  0.357  0.399  1.0
  Bi  Bi3  1  0.332  0.767  0.948  1.0
  Bi  Bi4  1  0.668  0.233  0.052  1.0
  Bi  Bi5  1  0.764  0.643  0.601  1.0
  P  P6  1  0.778  0.993  0.593  1.0
  P  P7  1  0.728  0.417  0.347  1.0
  P  P8  1  0.222  0.007  0.407  1.0
  P  P9  1  0.169  0.272  0.096  1.0
  P  P10  1  0.483  0.046  0.792  1.0
  P  P11  1  0.517  0.954  0.208  1.0
  P  P12  1  0.831  0.728  0.904  1.0
  P  P13  1  0.158  0.573  0.174  1.0
  P  P14  1  0.842  0.427  0.826  1.0
  P  P15  1  0.272  0.583  0.653  1.0
  O  O16  1  0.359  0.930  0.102  1.0
  O  O17  1  0.016  0.341  0.816  1.0
  O  O18  1  0.984  0.659  0.184  1.0
  O  O19  1  0.215  0.431  0.598  1.0
  O  O20  1  0.561  0.361  0.422  1.0
  O  O21  1  0.990  0.180  0.048  1.0
  O  O22  1  0.271  0.915  0.505  1.0
  O  O23  1  0.221  0.157  0.473  1.0
  O  O24  1  0.666  0.416  0.211  1.0
  O  O25  1  0.384  0.168  0.756  1.0
  O  O26  1  0.596  0.979  0.678  1.0
  O  O27  1  0.785  0.569  0.402  1.0
  O  O28  1  0.907  0.328  0.363  1.0
  O  O29  1  0.339  0.261  0.010  1.0
  O  O30  1  0.661  0.739  0.990  1.0
  O  O31  1  0.405  0.021  0.322  1.0
  O  O32  1  0.041  0.956  0.330  1.0
  O  O33  1  0.439  0.639  0.578  1.0
  O  O34  1  0.683  0.381  0.910  1.0
  O  O35  1  0.745  0.758  0.779  1.0
  O  O36  1  0.616  0.832  0.244  1.0
  O  O37  1  0.920  0.579  0.890  1.0
  O  O38  1  0.779  0.843  0.527  1.0
  O  O39  1  0.255  0.242  0.221  1.0
  O  O40  1  0.260  0.548  0.298  1.0
  O  O41  1  0.641  0.070  0.898  1.0
  O  O42  1  0.959  0.044  0.670  1.0
  O  O43  1  0.334  0.584  0.789  1.0
  O  O44  1  0.317  0.619  0.090  1.0
  O  O45  1  0.080  0.421  0.110  1.0
  O  O46  1  0.669  0.069  0.181  1.0
  O  O47  1  0.010  0.820  0.952  1.0
  O  O48  1  0.740  0.452  0.702  1.0
  O  O49  1  0.331  0.931  0.819  1.0
  O  O50  1  0.093  0.672  0.637  1.0
  O  O51  1  0.729  0.085  0.495  1.0
[/CIF]
.
The compound described by LiBi2P5O18 crystallizes in the triclinic P-1 space group. Li(1) is bonded in a 5-coordinate geometry to one O(13), one O(2), one O(3), one O(7), and one O(9) atom. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded to one O(11), one O(15), one O(17), one O(3), one O(4), and one O(7) atom to form BiO6 octahedra that share  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, and corners with three equivalent P(2)O4 tetrahedra. In the second Bi site, Bi(2) is bonded to one O(1), one O(12), one O(14), one O(18), one O(5), and one O(8) atom to form BiO6 octahedra that share  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(5)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, and corners with two equivalent P(4)O4 tetrahedra. There are five inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(13), one O(6), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(1)O6 octahedra and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 50°. In the second P site, P(2) is bonded to one O(11), one O(3), one O(4), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(2)O6 octahedra and corners with three equivalent Bi(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 41-57°. In the third P site, P(3) is bonded to one O(12), one O(15), one O(16), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(1)O6 octahedra, corners with two equivalent Bi(2)O6 octahedra, and  a cornercorner with one P(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-53°. In the fourth P site, P(4) is bonded to one O(1), one O(10), one O(18), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O6 octahedra and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 46-50°. In the fifth P site, P(5) is bonded to one O(14), one O(16), one O(17), and one O(2) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(1)O6 octahedra,  a cornercorner with one Bi(2)O6 octahedra, and  a cornercorner with one P(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 45-52°. There are eighteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(4) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Li(1) and one P(5) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Li(1), one Bi(1), and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Bi(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(3) atom. In the sixth O site, O(6) is bonded in a single-bond geometry to one P(1) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Li(1), one Bi(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(2) atom. In the ninth O site, O(9) is bonded in a bent 150 degrees geometry to one Li(1) and one P(4) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one P(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one Bi(1) and one P(2) atom. In the twelfth O site, O(12) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(3) atom. In the thirteenth O site, O(13) is bonded in a bent 150 degrees geometry to one Li(1) and one P(1) atom. In the fourteenth O site, O(14) is bonded in a 2-coordinate geometry to one Bi(2) and one P(5) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 120 degrees geometry to one Bi(1) and one P(3) atom. In the sixteenth O site, O(16) is bonded in a distorted bent 150 degrees geometry to one P(3) and one P(5) atom. In the seventeenth O site, O(17) is bonded in a distorted bent 120 degrees geometry to one Bi(1) and one P(5) atom. In the eighteenth O site, O(18) is bonded in a 2-coordinate geometry to one Bi(2) and one P(4) atom. is represented by the CIF file [CIF]
data_LiBi2P5O18
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.834
_cell_length_b   9.790
_cell_length_c   11.099
_cell_angle_alpha   95.790
_cell_angle_beta   92.776
_cell_angle_gamma   92.505
_symmetry_Int_Tables_number   1
_cell_volume   737.022
_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  0.868  0.785  0.303  1.0
  Li  Li1  1  0.132  0.215  0.697  1.0
  Bi  Bi2  1  0.236  0.357  0.399  1.0
  Bi  Bi3  1  0.332  0.767  0.948  1.0
  Bi  Bi4  1  0.668  0.233  0.052  1.0
  Bi  Bi5  1  0.764  0.643  0.601  1.0
  P  P6  1  0.778  0.993  0.593  1.0
  P  P7  1  0.728  0.417  0.347  1.0
  P  P8  1  0.222  0.007  0.407  1.0
  P  P9  1  0.169  0.272  0.096  1.0
  P  P10  1  0.483  0.046  0.792  1.0
  P  P11  1  0.517  0.954  0.208  1.0
  P  P12  1  0.831  0.728  0.904  1.0
  P  P13  1  0.158  0.573  0.174  1.0
  P  P14  1  0.842  0.427  0.826  1.0
  P  P15  1  0.272  0.583  0.653  1.0
  O  O16  1  0.359  0.930  0.102  1.0
  O  O17  1  0.016  0.341  0.816  1.0
  O  O18  1  0.984  0.659  0.184  1.0
  O  O19  1  0.215  0.431  0.598  1.0
  O  O20  1  0.561  0.361  0.422  1.0
  O  O21  1  0.990  0.180  0.048  1.0
  O  O22  1  0.271  0.915  0.505  1.0
  O  O23  1  0.221  0.157  0.473  1.0
  O  O24  1  0.666  0.416  0.211  1.0
  O  O25  1  0.384  0.168  0.756  1.0
  O  O26  1  0.596  0.979  0.678  1.0
  O  O27  1  0.785  0.569  0.402  1.0
  O  O28  1  0.907  0.328  0.363  1.0
  O  O29  1  0.339  0.261  0.010  1.0
  O  O30  1  0.661  0.739  0.990  1.0
  O  O31  1  0.405  0.021  0.322  1.0
  O  O32  1  0.041  0.956  0.330  1.0
  O  O33  1  0.439  0.639  0.578  1.0
  O  O34  1  0.683  0.381  0.910  1.0
  O  O35  1  0.745  0.758  0.779  1.0
  O  O36  1  0.616  0.832  0.244  1.0
  O  O37  1  0.920  0.579  0.890  1.0
  O  O38  1  0.779  0.843  0.527  1.0
  O  O39  1  0.255  0.242  0.221  1.0
  O  O40  1  0.260  0.548  0.298  1.0
  O  O41  1  0.641  0.070  0.898  1.0
  O  O42  1  0.959  0.044  0.670  1.0
  O  O43  1  0.334  0.584  0.789  1.0
  O  O44  1  0.317  0.619  0.090  1.0
  O  O45  1  0.080  0.421  0.110  1.0
  O  O46  1  0.669  0.069  0.181  1.0
  O  O47  1  0.010  0.820  0.952  1.0
  O  O48  1  0.740  0.452  0.702  1.0
  O  O49  1  0.331  0.931  0.819  1.0
  O  O50  1  0.093  0.672  0.637  1.0
  O  O51  1  0.729  0.085  0.495  1.0
[/CIF]
.