The structure described by VSn(PO4)2 crystallizes in the monoclinic P2_1/m space group. V(1) is bonded to one O(1), one O(3), two equivalent O(5), and two equivalent O(6) atoms to form VO6 octahedra that share corners with four equivalent Sn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. Sn(1) is bonded to one O(2), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form SnO6 octahedra that share corners with four equivalent V(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), and two equivalent O(5) atoms to form PO4 tetrahedra that share  a cornercorner with one Sn(1)O6 octahedra, corners with three equivalent V(1)O6 octahedra, and  an edgeedge with one Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-58°. In the second P site, P(2) is bonded to one O(3), one O(4), and two equivalent O(6) atoms to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra, and  an edgeedge with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one V(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Sn(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Sn(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(1), one Sn(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(1), one Sn(1), and one P(2) atom. is represented by the CIF file [CIF]
data_VSn(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.017
_cell_length_b   6.022
_cell_length_c   10.187
_cell_angle_alpha   90.000
_cell_angle_beta   89.583
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   307.769
_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
  O  O0  1  0.338  0.750  0.050  1.0
  O  O1  1  0.662  0.250  0.950  1.0
  O  O2  1  0.314  0.250  0.127  1.0
  O  O3  1  0.686  0.750  0.873  1.0
  O  O4  1  0.795  0.750  0.395  1.0
  O  O5  1  0.205  0.250  0.605  1.0
  O  O6  1  0.819  0.250  0.446  1.0
  O  O7  1  0.181  0.750  0.554  1.0
  O  O8  1  0.763  0.051  0.170  1.0
  O  O9  1  0.763  0.449  0.170  1.0
  O  O10  1  0.237  0.551  0.830  1.0
  O  O11  1  0.237  0.949  0.830  1.0
  O  O12  1  0.236  0.952  0.336  1.0
  O  O13  1  0.236  0.548  0.336  1.0
  O  O14  1  0.764  0.048  0.664  1.0
  O  O15  1  0.764  0.452  0.664  1.0
  P  P16  1  0.617  0.250  0.096  1.0
  P  P17  1  0.383  0.750  0.904  1.0
  P  P18  1  0.093  0.750  0.409  1.0
  P  P19  1  0.907  0.250  0.591  1.0
  Sn  Sn20  1  0.047  0.250  0.278  1.0
  Sn  Sn21  1  0.953  0.750  0.722  1.0
  V  V22  1  0.549  0.750  0.228  1.0
  V  V23  1  0.451  0.250  0.772  1.0
[/CIF]
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The structure described by VSn(PO4)2 crystallizes in the monoclinic P2_1/m space group. V(1) is bonded to one O(1), one O(3), two equivalent O(5), and two equivalent O(6) atoms to form VO6 octahedra that share corners with four equivalent Sn(1)O6 octahedra,  a cornercorner with one P(2)O4 tetrahedra, corners with three equivalent P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. Sn(1) is bonded to one O(2), one O(4), two equivalent O(5), and two equivalent O(6) atoms to form SnO6 octahedra that share corners with four equivalent V(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra, corners with three equivalent P(2)O4 tetrahedra, and  an edgeedge with one P(1)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 50-51°. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), and two equivalent O(5) atoms to form PO4 tetrahedra that share  a cornercorner with one Sn(1)O6 octahedra, corners with three equivalent V(1)O6 octahedra, and  an edgeedge with one Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-58°. In the second P site, P(2) is bonded to one O(3), one O(4), and two equivalent O(6) atoms to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra, and  an edgeedge with one V(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 48-55°. There are six inequivalent O sites. In the first O site, O(1) is bonded in a bent 150 degrees geometry to one V(1) and one P(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Sn(1) and one P(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one V(1) and one P(2) atom. In the fourth O site, O(4) is bonded in a bent 120 degrees geometry to one Sn(1) and one P(2) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one V(1), one Sn(1), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one V(1), one Sn(1), and one P(2) atom. is represented by the CIF file [CIF]
data_VSn(PO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.017
_cell_length_b   6.022
_cell_length_c   10.187
_cell_angle_alpha   90.000
_cell_angle_beta   89.583
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   307.769
_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
  O  O0  1  0.338  0.750  0.050  1.0
  O  O1  1  0.662  0.250  0.950  1.0
  O  O2  1  0.314  0.250  0.127  1.0
  O  O3  1  0.686  0.750  0.873  1.0
  O  O4  1  0.795  0.750  0.395  1.0
  O  O5  1  0.205  0.250  0.605  1.0
  O  O6  1  0.819  0.250  0.446  1.0
  O  O7  1  0.181  0.750  0.554  1.0
  O  O8  1  0.763  0.051  0.170  1.0
  O  O9  1  0.763  0.449  0.170  1.0
  O  O10  1  0.237  0.551  0.830  1.0
  O  O11  1  0.237  0.949  0.830  1.0
  O  O12  1  0.236  0.952  0.336  1.0
  O  O13  1  0.236  0.548  0.336  1.0
  O  O14  1  0.764  0.048  0.664  1.0
  O  O15  1  0.764  0.452  0.664  1.0
  P  P16  1  0.617  0.250  0.096  1.0
  P  P17  1  0.383  0.750  0.904  1.0
  P  P18  1  0.093  0.750  0.409  1.0
  P  P19  1  0.907  0.250  0.591  1.0
  Sn  Sn20  1  0.047  0.250  0.278  1.0
  Sn  Sn21  1  0.953  0.750  0.722  1.0
  V  V22  1  0.549  0.750  0.228  1.0
  V  V23  1  0.451  0.250  0.772  1.0
[/CIF]
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