The compound described by Bi(PO3)3 crystallizes in the monoclinic P2_1/c space group. Bi(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(7), and two equivalent O(2) atoms to form distorted BiO7 pentagonal bipyramids that share corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one Bi(1)O7 pentagonal bipyramid. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(6), and one O(9) atom to form PO4 tetrahedra that share corners with three equivalent Bi(1)O7 pentagonal bipyramids,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the second P site, P(2) is bonded to one O(3), one O(4), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Bi(1)O7 pentagonal bipyramids,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the third P site, P(3) 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(1)O7 pentagonal bipyramids,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. There are nine inequivalent O sites. In the first O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Bi(1) and one P(3) atom. In the second O site, O(6) is bonded in a distorted bent 120 degrees geometry to one P(1) and one P(2) atom. In the third O site, O(7) is bonded in a distorted single-bond geometry to one Bi(1) and one P(3) atom. In the fourth O site, O(8) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the fifth O site, O(1) is bonded in a distorted linear geometry to one Bi(1) and one P(1) atom. In the sixth O site, O(9) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Bi(1) and one P(1) atom. In the eighth O site, O(3) is bonded in a distorted single-bond geometry to one Bi(1) and one P(2) atom. In the ninth O site, O(4) is bonded in a distorted linear geometry to one Bi(1) and one P(2) atom. is represented by the CIF card [CIF]
data_Bi(PO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.921
_cell_length_b   7.165
_cell_length_c   13.717
_cell_angle_alpha   86.385
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   678.838
_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
  Bi  Bi0  1  0.366  0.759  0.566  1.0
  Bi  Bi1  1  0.866  0.241  0.934  1.0
  Bi  Bi2  1  0.634  0.241  0.434  1.0
  Bi  Bi3  1  0.134  0.759  0.066  1.0
  P  P4  1  0.316  0.236  0.636  1.0
  P  P5  1  0.816  0.764  0.864  1.0
  P  P6  1  0.684  0.764  0.364  1.0
  P  P7  1  0.184  0.236  0.136  1.0
  P  P8  1  0.393  0.293  0.842  1.0
  P  P9  1  0.893  0.707  0.658  1.0
  P  P10  1  0.607  0.707  0.158  1.0
  P  P11  1  0.107  0.293  0.342  1.0
  P  P12  1  0.398  0.707  0.824  1.0
  P  P13  1  0.898  0.293  0.676  1.0
  P  P14  1  0.602  0.293  0.176  1.0
  P  P15  1  0.102  0.707  0.324  1.0
  O  O16  1  0.342  0.432  0.597  1.0
  O  O17  1  0.842  0.568  0.903  1.0
  O  O18  1  0.658  0.568  0.403  1.0
  O  O19  1  0.158  0.432  0.097  1.0
  O  O20  1  0.392  0.090  0.572  1.0
  O  O21  1  0.892  0.910  0.928  1.0
  O  O22  1  0.608  0.910  0.428  1.0
  O  O23  1  0.108  0.090  0.072  1.0
  O  O24  1  0.035  0.795  0.589  1.0
  O  O25  1  0.535  0.205  0.911  1.0
  O  O26  1  0.965  0.205  0.411  1.0
  O  O27  1  0.465  0.795  0.089  1.0
  O  O28  1  0.187  0.296  0.870  1.0
  O  O29  1  0.687  0.704  0.630  1.0
  O  O30  1  0.813  0.704  0.130  1.0
  O  O31  1  0.313  0.296  0.370  1.0
  O  O32  1  0.177  0.786  0.228  1.0
  O  O33  1  0.677  0.214  0.272  1.0
  O  O34  1  0.823  0.214  0.772  1.0
  O  O35  1  0.323  0.786  0.728  1.0
  O  O36  1  0.086  0.199  0.239  1.0
  O  O37  1  0.586  0.801  0.261  1.0
  O  O38  1  0.914  0.801  0.761  1.0
  O  O39  1  0.414  0.199  0.739  1.0
  O  O40  1  0.231  0.716  0.409  1.0
  O  O41  1  0.731  0.284  0.091  1.0
  O  O42  1  0.769  0.284  0.591  1.0
  O  O43  1  0.269  0.716  0.909  1.0
  O  O44  1  0.031  0.499  0.311  1.0
  O  O45  1  0.531  0.501  0.189  1.0
  O  O46  1  0.969  0.501  0.689  1.0
  O  O47  1  0.469  0.499  0.811  1.0
  O  O48  1  0.404  0.191  0.156  1.0
  O  O49  1  0.904  0.809  0.344  1.0
  O  O50  1  0.596  0.809  0.844  1.0
  O  O51  1  0.096  0.191  0.656  1.0
[/CIF]
.
The compound described by Bi(PO3)3 crystallizes in the monoclinic P2_1/c space group. Bi(1) is bonded to one O(1), one O(3), one O(4), one O(5), one O(7), and two equivalent O(2) atoms to form distorted BiO7 pentagonal bipyramids that share corners with two equivalent P(2)O4 tetrahedra, corners with two equivalent P(3)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one Bi(1)O7 pentagonal bipyramid. There are three inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(6), and one O(9) atom to form PO4 tetrahedra that share corners with three equivalent Bi(1)O7 pentagonal bipyramids,  a cornercorner with one P(2)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the second P site, P(2) is bonded to one O(3), one O(4), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Bi(1)O7 pentagonal bipyramids,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(3)O4 tetrahedra. In the third P site, P(3) 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(1)O7 pentagonal bipyramids,  a cornercorner with one P(1)O4 tetrahedra, and  a cornercorner with one P(2)O4 tetrahedra. There are nine inequivalent O sites. In the first O site, O(5) is bonded in a distorted bent 150 degrees geometry to one Bi(1) and one P(3) atom. In the second O site, O(6) is bonded in a distorted bent 120 degrees geometry to one P(1) and one P(2) atom. In the third O site, O(7) is bonded in a distorted single-bond geometry to one Bi(1) and one P(3) atom. In the fourth O site, O(8) is bonded in a bent 150 degrees geometry to one P(2) and one P(3) atom. In the fifth O site, O(1) is bonded in a distorted linear geometry to one Bi(1) and one P(1) atom. In the sixth O site, O(9) is bonded in a bent 150 degrees geometry to one P(1) and one P(3) atom. In the seventh O site, O(2) is bonded in a distorted single-bond geometry to two equivalent Bi(1) and one P(1) atom. In the eighth O site, O(3) is bonded in a distorted single-bond geometry to one Bi(1) and one P(2) atom. In the ninth O site, O(4) is bonded in a distorted linear geometry to one Bi(1) and one P(2) atom. is represented by the CIF card [CIF]
data_Bi(PO3)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.921
_cell_length_b   7.165
_cell_length_c   13.717
_cell_angle_alpha   86.385
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   678.838
_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
  Bi  Bi0  1  0.366  0.759  0.566  1.0
  Bi  Bi1  1  0.866  0.241  0.934  1.0
  Bi  Bi2  1  0.634  0.241  0.434  1.0
  Bi  Bi3  1  0.134  0.759  0.066  1.0
  P  P4  1  0.316  0.236  0.636  1.0
  P  P5  1  0.816  0.764  0.864  1.0
  P  P6  1  0.684  0.764  0.364  1.0
  P  P7  1  0.184  0.236  0.136  1.0
  P  P8  1  0.393  0.293  0.842  1.0
  P  P9  1  0.893  0.707  0.658  1.0
  P  P10  1  0.607  0.707  0.158  1.0
  P  P11  1  0.107  0.293  0.342  1.0
  P  P12  1  0.398  0.707  0.824  1.0
  P  P13  1  0.898  0.293  0.676  1.0
  P  P14  1  0.602  0.293  0.176  1.0
  P  P15  1  0.102  0.707  0.324  1.0
  O  O16  1  0.342  0.432  0.597  1.0
  O  O17  1  0.842  0.568  0.903  1.0
  O  O18  1  0.658  0.568  0.403  1.0
  O  O19  1  0.158  0.432  0.097  1.0
  O  O20  1  0.392  0.090  0.572  1.0
  O  O21  1  0.892  0.910  0.928  1.0
  O  O22  1  0.608  0.910  0.428  1.0
  O  O23  1  0.108  0.090  0.072  1.0
  O  O24  1  0.035  0.795  0.589  1.0
  O  O25  1  0.535  0.205  0.911  1.0
  O  O26  1  0.965  0.205  0.411  1.0
  O  O27  1  0.465  0.795  0.089  1.0
  O  O28  1  0.187  0.296  0.870  1.0
  O  O29  1  0.687  0.704  0.630  1.0
  O  O30  1  0.813  0.704  0.130  1.0
  O  O31  1  0.313  0.296  0.370  1.0
  O  O32  1  0.177  0.786  0.228  1.0
  O  O33  1  0.677  0.214  0.272  1.0
  O  O34  1  0.823  0.214  0.772  1.0
  O  O35  1  0.323  0.786  0.728  1.0
  O  O36  1  0.086  0.199  0.239  1.0
  O  O37  1  0.586  0.801  0.261  1.0
  O  O38  1  0.914  0.801  0.761  1.0
  O  O39  1  0.414  0.199  0.739  1.0
  O  O40  1  0.231  0.716  0.409  1.0
  O  O41  1  0.731  0.284  0.091  1.0
  O  O42  1  0.769  0.284  0.591  1.0
  O  O43  1  0.269  0.716  0.909  1.0
  O  O44  1  0.031  0.499  0.311  1.0
  O  O45  1  0.531  0.501  0.189  1.0
  O  O46  1  0.969  0.501  0.689  1.0
  O  O47  1  0.469  0.499  0.811  1.0
  O  O48  1  0.404  0.191  0.156  1.0
  O  O49  1  0.904  0.809  0.344  1.0
  O  O50  1  0.596  0.809  0.844  1.0
  O  O51  1  0.096  0.191  0.656  1.0
[/CIF]
.