The compound described by Sb(PO3)4 crystallizes in the monoclinic P2_1 space group. Sb(1) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(6), one O(8), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(5), and one O(6) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(2), one O(4), and one O(7) atom to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(11), one O(12), one O(5), and one O(9) atom to form corner-sharing PO4 tetrahedra. In the fourth P site, P(4) is bonded to one O(10), one O(11), one O(7), and one O(8) atom to form corner-sharing PO4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one P(1) and one P(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sb(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Sb(1) and one P(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(2) and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Sb(1) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Sb(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one P(3) and one P(4) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Sb(1) and one P(3) atom. is represented by the CIF file [CIF]
data_Sb(PO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.471
_cell_length_b   7.154
_cell_length_c   7.541
_cell_angle_alpha   88.501
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   456.769
_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
  Sb  Sb0  1  0.734  0.750  0.248  1.0
  Sb  Sb1  1  0.234  0.250  0.752  1.0
  P  P2  1  0.906  0.996  0.610  1.0
  P  P3  1  0.406  0.004  0.390  1.0
  P  P4  1  0.174  0.914  0.093  1.0
  P  P5  1  0.994  0.604  0.585  1.0
  P  P6  1  0.378  0.562  0.083  1.0
  P  P7  1  0.878  0.438  0.917  1.0
  P  P8  1  0.494  0.396  0.415  1.0
  P  P9  1  0.674  0.086  0.907  1.0
  O  O10  1  0.808  0.989  0.791  1.0
  O  O11  1  0.693  0.999  0.093  1.0
  O  O12  1  0.799  0.973  0.453  1.0
  O  O13  1  0.017  0.916  0.179  1.0
  O  O14  1  0.015  0.816  0.644  1.0
  O  O15  1  0.510  0.832  0.394  1.0
  O  O16  1  0.230  0.698  0.075  1.0
  O  O17  1  0.534  0.663  0.063  1.0
  O  O18  1  0.936  0.600  0.397  1.0
  O  O19  1  0.852  0.595  0.044  1.0
  O  O20  1  0.859  0.525  0.717  1.0
  O  O21  1  0.151  0.513  0.623  1.0
  O  O22  1  0.651  0.487  0.377  1.0
  O  O23  1  0.359  0.475  0.283  1.0
  O  O24  1  0.352  0.405  0.956  1.0
  O  O25  1  0.436  0.400  0.603  1.0
  O  O26  1  0.034  0.337  0.937  1.0
  O  O27  1  0.730  0.302  0.925  1.0
  O  O28  1  0.010  0.168  0.606  1.0
  O  O29  1  0.515  0.184  0.356  1.0
  O  O30  1  0.517  0.084  0.821  1.0
  O  O31  1  0.299  0.027  0.547  1.0
  O  O32  1  0.193  0.001  0.907  1.0
  O  O33  1  0.308  0.011  0.209  1.0
[/CIF]
.
The compound described by Sb(PO3)4 crystallizes in the monoclinic P2_1 space group. Sb(1) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(6), one O(8), and one O(9) atom. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(3), one O(5), and one O(6) atom to form corner-sharing PO4 tetrahedra. In the second P site, P(2) is bonded to one O(1), one O(2), one O(4), and one O(7) atom to form corner-sharing PO4 tetrahedra. In the third P site, P(3) is bonded to one O(11), one O(12), one O(5), and one O(9) atom to form corner-sharing PO4 tetrahedra. In the fourth P site, P(4) is bonded to one O(10), one O(11), one O(7), and one O(8) atom to form corner-sharing PO4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one P(1) and one P(2) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(2) atom. In the third O site, O(3) is bonded in a distorted single-bond geometry to one Sb(1) and one P(1) atom. In the fourth O site, O(4) is bonded in a single-bond geometry to one P(2) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one P(1) and one P(3) atom. In the sixth O site, O(6) is bonded in a distorted single-bond geometry to one Sb(1) and one P(1) atom. In the seventh O site, O(7) is bonded in a bent 150 degrees geometry to one P(2) and one P(4) atom. In the eighth O site, O(8) is bonded in a distorted single-bond geometry to one Sb(1) and one P(4) atom. In the ninth O site, O(9) is bonded in a distorted single-bond geometry to one Sb(1) and one P(3) atom. In the tenth O site, O(10) is bonded in a bent 150 degrees geometry to one Sb(1) and one P(4) atom. In the eleventh O site, O(11) is bonded in a bent 120 degrees geometry to one P(3) and one P(4) atom. In the twelfth O site, O(12) is bonded in a 2-coordinate geometry to one Sb(1) and one P(3) atom. is represented by the CIF file [CIF]
data_Sb(PO3)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.471
_cell_length_b   7.154
_cell_length_c   7.541
_cell_angle_alpha   88.501
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   456.769
_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
  Sb  Sb0  1  0.734  0.750  0.248  1.0
  Sb  Sb1  1  0.234  0.250  0.752  1.0
  P  P2  1  0.906  0.996  0.610  1.0
  P  P3  1  0.406  0.004  0.390  1.0
  P  P4  1  0.174  0.914  0.093  1.0
  P  P5  1  0.994  0.604  0.585  1.0
  P  P6  1  0.378  0.562  0.083  1.0
  P  P7  1  0.878  0.438  0.917  1.0
  P  P8  1  0.494  0.396  0.415  1.0
  P  P9  1  0.674  0.086  0.907  1.0
  O  O10  1  0.808  0.989  0.791  1.0
  O  O11  1  0.693  0.999  0.093  1.0
  O  O12  1  0.799  0.973  0.453  1.0
  O  O13  1  0.017  0.916  0.179  1.0
  O  O14  1  0.015  0.816  0.644  1.0
  O  O15  1  0.510  0.832  0.394  1.0
  O  O16  1  0.230  0.698  0.075  1.0
  O  O17  1  0.534  0.663  0.063  1.0
  O  O18  1  0.936  0.600  0.397  1.0
  O  O19  1  0.852  0.595  0.044  1.0
  O  O20  1  0.859  0.525  0.717  1.0
  O  O21  1  0.151  0.513  0.623  1.0
  O  O22  1  0.651  0.487  0.377  1.0
  O  O23  1  0.359  0.475  0.283  1.0
  O  O24  1  0.352  0.405  0.956  1.0
  O  O25  1  0.436  0.400  0.603  1.0
  O  O26  1  0.034  0.337  0.937  1.0
  O  O27  1  0.730  0.302  0.925  1.0
  O  O28  1  0.010  0.168  0.606  1.0
  O  O29  1  0.515  0.184  0.356  1.0
  O  O30  1  0.517  0.084  0.821  1.0
  O  O31  1  0.299  0.027  0.547  1.0
  O  O32  1  0.193  0.001  0.907  1.0
  O  O33  1  0.308  0.011  0.209  1.0
[/CIF]
.