The crystal structure described by BaBi6(PO5)4 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 10-coordinate geometry to two equivalent O(1), two equivalent O(10), two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(6), one O(7), one O(9), and two equivalent O(8) atoms. In the second Bi site, Bi(2) is bonded to one O(10), one O(5), one O(6), one O(7), and one O(8) atom to form distorted BiO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra and corners with two equivalent P(1)O4 tetrahedra. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(9), and two equivalent O(7) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), one O(5), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O5 square pyramids. In the second P site, P(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(2)O5 square pyramid. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Ba(1), one Bi(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1), one Bi(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Bi(3) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Ba(1), one Bi(1), one Bi(3), and one P(2) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to one Bi(2), one Bi(3), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Bi(1), one Bi(2), and one P(2) atom. In the seventh O site, O(7) is bonded to one Bi(1), one Bi(2), and two equivalent Bi(3) atoms to form OBi4 tetrahedra that share  a cornercorner with one O(8)BaBi3 tetrahedra,  an edgeedge with one O(8)BaBi3 tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the eighth O site, O(8) is bonded to one Ba(1), one Bi(2), and two equivalent Bi(1) atoms to form distorted OBaBi3 tetrahedra that share  a cornercorner with one O(8)BaBi3 tetrahedra,  a cornercorner with one O(7)Bi4 tetrahedra,  an edgeedge with one O(8)BaBi3 tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the ninth O site, O(9) is bonded in a 1-coordinate 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 single-bond geometry to one Ba(1), one Bi(2), and one P(1) atom. is represented by the CIF file [CIF]
data_BaBi6(PO5)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.148
_cell_length_b   7.806
_cell_length_c   9.279
_cell_angle_alpha   107.353
_cell_angle_beta   92.375
_cell_angle_gamma   111.752
_symmetry_Int_Tables_number   1
_cell_volume   452.165
_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
  Ba  Ba0  1  0.000  0.500  0.000  1.0
  Bi  Bi1  1  0.442  0.297  0.090  1.0
  Bi  Bi2  1  0.558  0.703  0.910  1.0
  Bi  Bi3  1  0.798  0.806  0.327  1.0
  Bi  Bi4  1  0.202  0.194  0.673  1.0
  Bi  Bi5  1  0.674  0.380  0.491  1.0
  Bi  Bi6  1  0.326  0.620  0.509  1.0
  P  P7  1  0.646  0.095  0.738  1.0
  P  P8  1  0.959  0.230  0.249  1.0
  P  P9  1  0.041  0.770  0.751  1.0
  P  P10  1  0.354  0.905  0.262  1.0
  O  O11  1  0.636  0.168  0.911  1.0
  O  O12  1  0.867  0.680  0.836  1.0
  O  O13  1  0.955  0.713  0.578  1.0
  O  O14  1  0.198  0.673  0.757  1.0
  O  O15  1  0.364  0.832  0.089  1.0
  O  O16  1  0.513  0.870  0.358  1.0
  O  O17  1  0.802  0.327  0.243  1.0
  O  O18  1  0.855  0.003  0.174  1.0
  O  O19  1  0.445  0.473  0.637  1.0
  O  O20  1  0.672  0.597  0.099  1.0
  O  O21  1  0.603  0.873  0.685  1.0
  O  O22  1  0.862  0.214  0.711  1.0
  O  O23  1  0.045  0.287  0.422  1.0
  O  O24  1  0.133  0.320  0.164  1.0
  O  O25  1  0.145  0.997  0.826  1.0
  O  O26  1  0.138  0.786  0.289  1.0
  O  O27  1  0.328  0.403  0.901  1.0
  O  O28  1  0.397  0.127  0.315  1.0
  O  O29  1  0.487  0.130  0.642  1.0
  O  O30  1  0.555  0.527  0.363  1.0
[/CIF]
.
The crystal structure described by BaBi6(PO5)4 crystallizes in the triclinic P-1 space group. Ba(1) is bonded in a 10-coordinate geometry to two equivalent O(1), two equivalent O(10), two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms. There are three inequivalent Bi sites. In the first Bi site, Bi(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(4), one O(6), one O(7), one O(9), and two equivalent O(8) atoms. In the second Bi site, Bi(2) is bonded to one O(10), one O(5), one O(6), one O(7), and one O(8) atom to form distorted BiO5 square pyramids that share  a cornercorner with one P(2)O4 tetrahedra and corners with two equivalent P(1)O4 tetrahedra. In the third Bi site, Bi(3) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(9), and two equivalent O(7) atoms. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(10), one O(5), and one O(9) atom to form PO4 tetrahedra that share corners with two equivalent Bi(2)O5 square pyramids. In the second P site, P(2) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one Bi(2)O5 square pyramid. There are ten inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to one Ba(1), one Bi(1), and one P(1) atom. In the second O site, O(2) is bonded in a distorted single-bond geometry to one Ba(1), one Bi(1), and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Bi(3) and one P(2) atom. In the fourth O site, O(4) is bonded in a distorted single-bond geometry to one Ba(1), one Bi(1), one Bi(3), and one P(2) atom. In the fifth O site, O(5) is bonded in a 1-coordinate geometry to one Bi(2), one Bi(3), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted bent 120 degrees geometry to one Bi(1), one Bi(2), and one P(2) atom. In the seventh O site, O(7) is bonded to one Bi(1), one Bi(2), and two equivalent Bi(3) atoms to form OBi4 tetrahedra that share  a cornercorner with one O(8)BaBi3 tetrahedra,  an edgeedge with one O(8)BaBi3 tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the eighth O site, O(8) is bonded to one Ba(1), one Bi(2), and two equivalent Bi(1) atoms to form distorted OBaBi3 tetrahedra that share  a cornercorner with one O(8)BaBi3 tetrahedra,  a cornercorner with one O(7)Bi4 tetrahedra,  an edgeedge with one O(8)BaBi3 tetrahedra, and  an edgeedge with one O(7)Bi4 tetrahedra. In the ninth O site, O(9) is bonded in a 1-coordinate 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 single-bond geometry to one Ba(1), one Bi(2), and one P(1) atom. is represented by the CIF file [CIF]
data_BaBi6(PO5)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.148
_cell_length_b   7.806
_cell_length_c   9.279
_cell_angle_alpha   107.353
_cell_angle_beta   92.375
_cell_angle_gamma   111.752
_symmetry_Int_Tables_number   1
_cell_volume   452.165
_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
  Ba  Ba0  1  0.000  0.500  0.000  1.0
  Bi  Bi1  1  0.442  0.297  0.090  1.0
  Bi  Bi2  1  0.558  0.703  0.910  1.0
  Bi  Bi3  1  0.798  0.806  0.327  1.0
  Bi  Bi4  1  0.202  0.194  0.673  1.0
  Bi  Bi5  1  0.674  0.380  0.491  1.0
  Bi  Bi6  1  0.326  0.620  0.509  1.0
  P  P7  1  0.646  0.095  0.738  1.0
  P  P8  1  0.959  0.230  0.249  1.0
  P  P9  1  0.041  0.770  0.751  1.0
  P  P10  1  0.354  0.905  0.262  1.0
  O  O11  1  0.636  0.168  0.911  1.0
  O  O12  1  0.867  0.680  0.836  1.0
  O  O13  1  0.955  0.713  0.578  1.0
  O  O14  1  0.198  0.673  0.757  1.0
  O  O15  1  0.364  0.832  0.089  1.0
  O  O16  1  0.513  0.870  0.358  1.0
  O  O17  1  0.802  0.327  0.243  1.0
  O  O18  1  0.855  0.003  0.174  1.0
  O  O19  1  0.445  0.473  0.637  1.0
  O  O20  1  0.672  0.597  0.099  1.0
  O  O21  1  0.603  0.873  0.685  1.0
  O  O22  1  0.862  0.214  0.711  1.0
  O  O23  1  0.045  0.287  0.422  1.0
  O  O24  1  0.133  0.320  0.164  1.0
  O  O25  1  0.145  0.997  0.826  1.0
  O  O26  1  0.138  0.786  0.289  1.0
  O  O27  1  0.328  0.403  0.901  1.0
  O  O28  1  0.397  0.127  0.315  1.0
  O  O29  1  0.487  0.130  0.642  1.0
  O  O30  1  0.555  0.527  0.363  1.0
[/CIF]
.