The crystal structure described by LiBi2As2(PbO5)2 crystallizes in the triclinic P1 space group. Li(1) is bonded to one O(10), one O(4), one O(6), and one O(9) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Pb(1)O6 pentagonal pyramids,  an edgeedge with one As(1)O4 tetrahedra, and  an edgeedge with one As(2)O4 tetrahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(10), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form distorted PbO6 pentagonal pyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent As(2)O4 tetrahedra, and  an edgeedge with one As(1)O4 tetrahedra. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(5), one O(7), and one O(8) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form AsO4 tetrahedra that share  an edgeedge with one Pb(1)O6 pentagonal pyramid and  an edgeedge with one Li(1)O4 tetrahedra. In the second As site, As(2) is bonded to one O(1), one O(10), one O(5), and one O(9) atom to form AsO4 tetrahedra that share corners with two equivalent Pb(1)O6 pentagonal pyramids and  an edgeedge with one Li(1)O4 tetrahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(2), one Bi(1), and one As(2) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one Pb(1), one Pb(2), one Bi(2), and one As(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Pb(1), one Bi(2), and one As(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Li(1), one Pb(2), one Bi(1), and one As(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Pb(2), one Bi(1), and one As(2) atom. In the sixth O site, O(6) is bonded in a distorted L-shaped geometry to one Li(1), one Pb(2), one Bi(2), and one As(1) atom. In the seventh O site, O(7) is bonded to one Pb(1), one Pb(2), one Bi(1), and one Bi(2) atom to form edge-sharing OBi2Pb2 tetrahedra. In the eighth O site, O(8) is bonded to one Pb(1), one Pb(2), one Bi(1), and one Bi(2) atom to form edge-sharing OBi2Pb2 tetrahedra. In the ninth O site, O(9) is bonded in a distorted L-shaped geometry to one Li(1), one Pb(1), one Bi(2), and one As(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(1), one Pb(1), and one As(2) atom. is represented by the CIF card [CIF]
data_LiBi2As2(PbO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.980
_cell_length_b   7.260
_cell_length_c   7.403
_cell_angle_alpha   108.058
_cell_angle_beta   111.541
_cell_angle_gamma   91.141
_symmetry_Int_Tables_number   1
_cell_volume   280.937
_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  0.636  0.489  0.989  1.0
  Bi  Bi1  1  0.117  0.261  0.040  1.0
  Bi  Bi2  1  0.053  0.762  0.985  1.0
  As  As3  1  0.660  0.655  0.357  1.0
  As  As4  1  0.283  0.345  0.645  1.0
  Pb  Pb5  1  0.446  0.901  0.704  1.0
  Pb  Pb6  1  0.716  0.093  0.296  1.0
  O  O7  1  0.146  0.307  0.385  1.0
  O  O8  1  0.410  0.788  0.307  1.0
  O  O9  1  0.781  0.697  0.631  1.0
  O  O10  1  0.538  0.401  0.189  1.0
  O  O11  1  0.080  0.214  0.696  1.0
  O  O12  1  0.839  0.724  0.232  1.0
  O  O13  1  0.296  0.007  0.007  1.0
  O  O14  1  0.832  0.013  0.002  1.0
  O  O15  1  0.349  0.587  0.808  1.0
  O  O16  1  0.557  0.258  0.725  1.0
[/CIF]
.
The crystal structure described by LiBi2As2(PbO5)2 crystallizes in the triclinic P1 space group. Li(1) is bonded to one O(10), one O(4), one O(6), and one O(9) atom to form distorted LiO4 tetrahedra that share corners with two equivalent Pb(1)O6 pentagonal pyramids,  an edgeedge with one As(1)O4 tetrahedra, and  an edgeedge with one As(2)O4 tetrahedra. There are two inequivalent Pb sites. In the first Pb site, Pb(1) is bonded to one O(10), one O(2), one O(3), one O(7), one O(8), and one O(9) atom to form distorted PbO6 pentagonal pyramids that share corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent As(2)O4 tetrahedra, and  an edgeedge with one As(1)O4 tetrahedra. In the second Pb site, Pb(2) is bonded in a 7-coordinate geometry to one O(1), one O(2), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are two inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 5-coordinate geometry to one O(1), one O(4), one O(5), one O(7), and one O(8) atom. In the second Bi site, Bi(2) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(6), one O(7), one O(8), and one O(9) atom. There are two inequivalent As sites. In the first As site, As(1) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form AsO4 tetrahedra that share  an edgeedge with one Pb(1)O6 pentagonal pyramid and  an edgeedge with one Li(1)O4 tetrahedra. In the second As site, As(2) is bonded to one O(1), one O(10), one O(5), and one O(9) atom to form AsO4 tetrahedra that share corners with two equivalent Pb(1)O6 pentagonal pyramids and  an edgeedge with one Li(1)O4 tetrahedra. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Pb(2), one Bi(1), and one As(2) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to one Pb(1), one Pb(2), one Bi(2), and one As(1) atom. In the third O site, O(3) is bonded in a distorted T-shaped geometry to one Pb(1), one Bi(2), and one As(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Li(1), one Pb(2), one Bi(1), and one As(1) atom. In the fifth O site, O(5) is bonded in a 2-coordinate geometry to one Pb(2), one Bi(1), and one As(2) atom. In the sixth O site, O(6) is bonded in a distorted L-shaped geometry to one Li(1), one Pb(2), one Bi(2), and one As(1) atom. In the seventh O site, O(7) is bonded to one Pb(1), one Pb(2), one Bi(1), and one Bi(2) atom to form edge-sharing OBi2Pb2 tetrahedra. In the eighth O site, O(8) is bonded to one Pb(1), one Pb(2), one Bi(1), and one Bi(2) atom to form edge-sharing OBi2Pb2 tetrahedra. In the ninth O site, O(9) is bonded in a distorted L-shaped geometry to one Li(1), one Pb(1), one Bi(2), and one As(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Li(1), one Pb(1), and one As(2) atom. is represented by the CIF card [CIF]
data_LiBi2As2(PbO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.980
_cell_length_b   7.260
_cell_length_c   7.403
_cell_angle_alpha   108.058
_cell_angle_beta   111.541
_cell_angle_gamma   91.141
_symmetry_Int_Tables_number   1
_cell_volume   280.937
_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  0.636  0.489  0.989  1.0
  Bi  Bi1  1  0.117  0.261  0.040  1.0
  Bi  Bi2  1  0.053  0.762  0.985  1.0
  As  As3  1  0.660  0.655  0.357  1.0
  As  As4  1  0.283  0.345  0.645  1.0
  Pb  Pb5  1  0.446  0.901  0.704  1.0
  Pb  Pb6  1  0.716  0.093  0.296  1.0
  O  O7  1  0.146  0.307  0.385  1.0
  O  O8  1  0.410  0.788  0.307  1.0
  O  O9  1  0.781  0.697  0.631  1.0
  O  O10  1  0.538  0.401  0.189  1.0
  O  O11  1  0.080  0.214  0.696  1.0
  O  O12  1  0.839  0.724  0.232  1.0
  O  O13  1  0.296  0.007  0.007  1.0
  O  O14  1  0.832  0.013  0.002  1.0
  O  O15  1  0.349  0.587  0.808  1.0
  O  O16  1  0.557  0.258  0.725  1.0
[/CIF]
.