The structure described by Mo2P3O11 crystallizes in the monoclinic C2 space group. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(8) atom to form MoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Mo(2)O6 octahedra. In the second Mo site, Mo(2) is bonded to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Mo(1)O6 octahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(12), one O(2), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-53°. In the second P site, P(2) is bonded to one O(10), one O(3), one O(5), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the third P site, P(3) is bonded to two equivalent O(1) and two equivalent O(7) atoms to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra and corners with two equivalent Mo(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-37°. In the fourth P site, P(4) is bonded to two equivalent O(6) and two equivalent O(9) atoms to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra and corners with two equivalent Mo(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-38°. There are twelve inequivalent O sites. In the first O site, O(9) is bonded in a bent 150 degrees geometry to one Mo(2) and one P(4) atom. In the second O site, O(10) is bonded in a bent 120 degrees geometry to two equivalent P(2) atoms. In the third O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Mo(2) and one P(1) atom. In the fourth O site, O(12) is bonded in a bent 120 degrees geometry to two equivalent P(1) atoms. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(3) atom. In the sixth O site, O(2) is bonded in a distorted trigonal planar geometry to one Mo(1), one Mo(2), and one P(1) atom. In the seventh O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mo(2) and one P(2) atom. In the eighth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Mo(1) and one P(1) atom. In the ninth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mo(1), one Mo(2), and one P(2) atom. In the tenth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Mo(1) and one P(4) atom. In the eleventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mo(2) and one P(3) atom. In the twelfth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Mo(1) and one P(2) atom. is represented by the CIF file [CIF]
data_Mo2P3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.532
_cell_length_b   7.532
_cell_length_c   9.120
_cell_angle_alpha   70.501
_cell_angle_beta   70.501
_cell_angle_gamma   72.595
_symmetry_Int_Tables_number   1
_cell_volume   449.376
_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
  Mo  Mo0  1  0.360  0.883  0.707  1.0
  Mo  Mo1  1  0.631  0.115  0.794  1.0
  Mo  Mo2  1  0.117  0.640  0.293  1.0
  Mo  Mo3  1  0.885  0.369  0.206  1.0
  P  P4  1  0.543  0.672  0.034  1.0
  P  P5  1  0.328  0.457  0.966  1.0
  P  P6  1  0.671  0.543  0.540  1.0
  P  P7  1  0.457  0.329  0.460  1.0
  P  P8  1  0.038  0.962  0.500  1.0
  P  P9  1  0.961  0.039  0.000  1.0
  O  O10  1  0.050  0.766  0.466  1.0
  O  O11  1  0.523  0.841  0.878  1.0
  O  O12  1  0.159  0.477  0.122  1.0
  O  O13  1  0.617  0.284  0.316  1.0
  O  O14  1  0.282  0.618  0.820  1.0
  O  O15  1  0.842  0.537  0.385  1.0
  O  O16  1  0.134  0.007  0.851  1.0
  O  O17  1  0.022  0.124  0.350  1.0
  O  O18  1  0.608  0.744  0.569  1.0
  O  O19  1  0.382  0.718  0.180  1.0
  O  O20  1  0.716  0.383  0.684  1.0
  O  O21  1  0.256  0.392  0.431  1.0
  O  O22  1  0.234  0.950  0.534  1.0
  O  O23  1  0.960  0.228  0.028  1.0
  O  O24  1  0.772  0.040  0.972  1.0
  O  O25  1  0.492  0.508  0.500  1.0
  O  O26  1  0.743  0.622  0.056  1.0
  O  O27  1  0.993  0.866  0.149  1.0
  O  O28  1  0.463  0.158  0.615  1.0
  O  O29  1  0.378  0.257  0.944  1.0
  O  O30  1  0.876  0.978  0.650  1.0
  O  O31  1  0.510  0.490  0.000  1.0
[/CIF]
.
The structure described by Mo2P3O11 crystallizes in the monoclinic C2 space group. There are two inequivalent Mo sites. In the first Mo site, Mo(1) is bonded to one O(1), one O(2), one O(4), one O(5), one O(6), and one O(8) atom to form MoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Mo(2)O6 octahedra. In the second Mo site, Mo(2) is bonded to one O(11), one O(2), one O(3), one O(5), one O(7), and one O(9) atom to form MoO6 octahedra that share  a cornercorner with one P(3)O4 tetrahedra,  a cornercorner with one P(4)O4 tetrahedra, corners with two equivalent P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra, and  an edgeedge with one Mo(1)O6 octahedra. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(11), one O(12), one O(2), and one O(4) atom to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-53°. In the second P site, P(2) is bonded to one O(10), one O(3), one O(5), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra, corners with two equivalent Mo(2)O6 octahedra, and  a cornercorner with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 47-55°. In the third P site, P(3) is bonded to two equivalent O(1) and two equivalent O(7) atoms to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra and corners with two equivalent Mo(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 24-37°. In the fourth P site, P(4) is bonded to two equivalent O(6) and two equivalent O(9) atoms to form PO4 tetrahedra that share corners with two equivalent Mo(1)O6 octahedra and corners with two equivalent Mo(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-38°. There are twelve inequivalent O sites. In the first O site, O(9) is bonded in a bent 150 degrees geometry to one Mo(2) and one P(4) atom. In the second O site, O(10) is bonded in a bent 120 degrees geometry to two equivalent P(2) atoms. In the third O site, O(11) is bonded in a distorted bent 120 degrees geometry to one Mo(2) and one P(1) atom. In the fourth O site, O(12) is bonded in a bent 120 degrees geometry to two equivalent P(1) atoms. In the fifth O site, O(1) is bonded in a bent 150 degrees geometry to one Mo(1) and one P(3) atom. In the sixth O site, O(2) is bonded in a distorted trigonal planar geometry to one Mo(1), one Mo(2), and one P(1) atom. In the seventh O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Mo(2) and one P(2) atom. In the eighth O site, O(4) is bonded in a distorted bent 120 degrees geometry to one Mo(1) and one P(1) atom. In the ninth O site, O(5) is bonded in a distorted trigonal planar geometry to one Mo(1), one Mo(2), and one P(2) atom. In the tenth O site, O(6) is bonded in a distorted bent 150 degrees geometry to one Mo(1) and one P(4) atom. In the eleventh O site, O(7) is bonded in a bent 150 degrees geometry to one Mo(2) and one P(3) atom. In the twelfth O site, O(8) is bonded in a distorted bent 120 degrees geometry to one Mo(1) and one P(2) atom. is represented by the CIF file [CIF]
data_Mo2P3O11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.532
_cell_length_b   7.532
_cell_length_c   9.120
_cell_angle_alpha   70.501
_cell_angle_beta   70.501
_cell_angle_gamma   72.595
_symmetry_Int_Tables_number   1
_cell_volume   449.376
_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
  Mo  Mo0  1  0.360  0.883  0.707  1.0
  Mo  Mo1  1  0.631  0.115  0.794  1.0
  Mo  Mo2  1  0.117  0.640  0.293  1.0
  Mo  Mo3  1  0.885  0.369  0.206  1.0
  P  P4  1  0.543  0.672  0.034  1.0
  P  P5  1  0.328  0.457  0.966  1.0
  P  P6  1  0.671  0.543  0.540  1.0
  P  P7  1  0.457  0.329  0.460  1.0
  P  P8  1  0.038  0.962  0.500  1.0
  P  P9  1  0.961  0.039  0.000  1.0
  O  O10  1  0.050  0.766  0.466  1.0
  O  O11  1  0.523  0.841  0.878  1.0
  O  O12  1  0.159  0.477  0.122  1.0
  O  O13  1  0.617  0.284  0.316  1.0
  O  O14  1  0.282  0.618  0.820  1.0
  O  O15  1  0.842  0.537  0.385  1.0
  O  O16  1  0.134  0.007  0.851  1.0
  O  O17  1  0.022  0.124  0.350  1.0
  O  O18  1  0.608  0.744  0.569  1.0
  O  O19  1  0.382  0.718  0.180  1.0
  O  O20  1  0.716  0.383  0.684  1.0
  O  O21  1  0.256  0.392  0.431  1.0
  O  O22  1  0.234  0.950  0.534  1.0
  O  O23  1  0.960  0.228  0.028  1.0
  O  O24  1  0.772  0.040  0.972  1.0
  O  O25  1  0.492  0.508  0.500  1.0
  O  O26  1  0.743  0.622  0.056  1.0
  O  O27  1  0.993  0.866  0.149  1.0
  O  O28  1  0.463  0.158  0.615  1.0
  O  O29  1  0.378  0.257  0.944  1.0
  O  O30  1  0.876  0.978  0.650  1.0
  O  O31  1  0.510  0.490  0.000  1.0
[/CIF]
.