The compound described by Bi3(PO5)2 crystallizes in the triclinic P1 space group. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. In the second Bi site, Bi(2) is bonded to one O(1), one O(10), one O(2), one O(3), one O(5), and one O(7) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(3)O5 square pyramid, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Bi(3)O5 square pyramid. In the third Bi site, Bi(3) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(9) atom to form distorted BiO5 square pyramids that share  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles are 40°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(5), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O6 octahedra and  a cornercorner with one Bi(3)O5 square pyramid. The corner-sharing octahedral tilt angles range from 51-56°. In the second P site, P(2) is bonded to one O(1), one O(10), one O(4), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O6 octahedra and corners with two equivalent Bi(3)O5 square pyramids. The corner-sharing octahedral tilt angles range from 49-68°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Bi(2), one Bi(3), and one P(2) atom. In the second O site, O(2) is bonded in a trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(3), 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(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Bi(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Bi(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(3), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(2) atom. is represented by the CIF file [CIF]
data_Bi3(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.566
_cell_length_b   6.794
_cell_length_c   7.065
_cell_angle_alpha   108.077
_cell_angle_beta   109.244
_cell_angle_gamma   96.643
_symmetry_Int_Tables_number   1
_cell_volume   232.597
_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
  Bi  Bi0  1  0.601  0.823  0.246  1.0
  Bi  Bi1  1  0.264  0.590  0.675  1.0
  Bi  Bi2  1  0.018  0.998  0.992  1.0
  P  P3  1  0.615  0.389  0.335  1.0
  P  P4  1  0.249  0.056  0.579  1.0
  O  O5  1  0.086  0.911  0.655  1.0
  O  O6  1  0.195  0.728  0.984  1.0
  O  O7  1  0.660  0.771  0.935  1.0
  O  O8  1  0.057  0.027  0.346  1.0
  O  O9  1  0.381  0.486  0.361  1.0
  O  O10  1  0.492  0.972  0.576  1.0
  O  O11  1  0.826  0.419  0.556  1.0
  O  O12  1  0.736  0.505  0.217  1.0
  O  O13  1  0.503  0.146  0.194  1.0
  O  O14  1  0.319  0.290  0.736  1.0
[/CIF]
.
The compound described by Bi3(PO5)2 crystallizes in the triclinic P1 space group. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 6-coordinate geometry to one O(2), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. In the second Bi site, Bi(2) is bonded to one O(1), one O(10), one O(2), one O(3), one O(5), and one O(7) atom to form distorted BiO6 octahedra that share  a cornercorner with one Bi(3)O5 square pyramid, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Bi(3)O5 square pyramid. In the third Bi site, Bi(3) is bonded to one O(1), one O(2), one O(3), one O(4), and one O(9) atom to form distorted BiO5 square pyramids that share  a cornercorner with one Bi(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Bi(2)O6 octahedra. The corner-sharing octahedral tilt angles are 40°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(5), one O(7), one O(8), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O6 octahedra and  a cornercorner with one Bi(3)O5 square pyramid. The corner-sharing octahedral tilt angles range from 51-56°. In the second P site, P(2) is bonded to one O(1), one O(10), one O(4), and one O(6) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O6 octahedra and corners with two equivalent Bi(3)O5 square pyramids. The corner-sharing octahedral tilt angles range from 49-68°. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Bi(2), one Bi(3), and one P(2) atom. In the second O site, O(2) is bonded in a trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Bi(1), one Bi(2), and one Bi(3) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(3), 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(1) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Bi(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(1) atom. In the eighth O site, O(8) is bonded in a distorted water-like geometry to one Bi(1) and one P(1) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Bi(1), one Bi(3), and one P(1) atom. In the tenth O site, O(10) is bonded in a distorted bent 120 degrees geometry to one Bi(2) and one P(2) atom. is represented by the CIF file [CIF]
data_Bi3(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.566
_cell_length_b   6.794
_cell_length_c   7.065
_cell_angle_alpha   108.077
_cell_angle_beta   109.244
_cell_angle_gamma   96.643
_symmetry_Int_Tables_number   1
_cell_volume   232.597
_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
  Bi  Bi0  1  0.601  0.823  0.246  1.0
  Bi  Bi1  1  0.264  0.590  0.675  1.0
  Bi  Bi2  1  0.018  0.998  0.992  1.0
  P  P3  1  0.615  0.389  0.335  1.0
  P  P4  1  0.249  0.056  0.579  1.0
  O  O5  1  0.086  0.911  0.655  1.0
  O  O6  1  0.195  0.728  0.984  1.0
  O  O7  1  0.660  0.771  0.935  1.0
  O  O8  1  0.057  0.027  0.346  1.0
  O  O9  1  0.381  0.486  0.361  1.0
  O  O10  1  0.492  0.972  0.576  1.0
  O  O11  1  0.826  0.419  0.556  1.0
  O  O12  1  0.736  0.505  0.217  1.0
  O  O13  1  0.503  0.146  0.194  1.0
  O  O14  1  0.319  0.290  0.736  1.0
[/CIF]
.