The compound described by SrV2(PO5)2 crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(13), one O(14), one O(16), one O(18), one O(19), one O(3), one O(6), and one O(8) atom. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(17), one O(2), one O(20), one O(5), and one O(9) atom. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(11), one O(12), one O(15), one O(3), one O(6), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. In the second V site, V(2) is bonded to one O(10), one O(14), one O(20), one O(4), one O(7), and one O(8) atom to form distorted VO6 octahedra that share corners with two equivalent V(3)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-39°. In the third V site, V(3) is bonded to one O(1), one O(16), one O(19), one O(4), one O(5), and one O(7) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-39°. In the fourth V site, V(4) is bonded to one O(11), one O(13), one O(15), one O(17), one O(18), and one O(2) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(18), one O(3), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-56°. In the second P site, P(2) is bonded to one O(1), one O(13), one O(20), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-53°. In the third P site, P(3) is bonded to one O(12), one O(19), one O(2), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-56°. In the fourth P site, P(4) is bonded to one O(14), one O(16), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-58°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Sr(2), one V(3), and one P(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(4), and one P(3) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one V(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(2) and one V(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(3), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one V(2) and one V(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one V(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Sr(2), one V(1), and one P(4) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(2), and one P(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one V(1) and one V(4) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(1), and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(4), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(2), and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one V(1) and one V(4) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(3), and one P(4) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Sr(2), one V(4), and one P(4) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Sr(1), one V(4), and one P(1) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Sr(1), one V(3), and one P(3) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Sr(2), one V(2), and one P(2) atom. is represented by the CIF file [CIF]
data_SrV2(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.093
_cell_length_b   8.906
_cell_length_c   7.042
_cell_angle_alpha   77.554
_cell_angle_beta   59.500
_cell_angle_gamma   42.947
_symmetry_Int_Tables_number   1
_cell_volume   358.227
_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
  Sr  Sr0  1  0.996  1.000  0.002  1.0
  Sr  Sr1  1  0.245  0.252  0.252  1.0
  V  V2  1  0.649  0.085  0.622  1.0
  V  V3  1  0.631  0.609  0.591  1.0
  V  V4  1  0.637  0.626  0.083  1.0
  V  V5  1  0.159  0.604  0.606  1.0
  P  P6  1  0.794  0.781  0.206  1.0
  P  P7  1  0.056  0.028  0.444  1.0
  P  P8  1  0.222  0.195  0.786  1.0
  P  P9  1  0.468  0.454  0.025  1.0
  O  O10  1  0.292  0.906  0.236  1.0
  O  O11  1  0.182  0.346  0.613  1.0
  O  O12  1  0.693  0.995  0.331  1.0
  O  O13  1  0.678  0.648  0.822  1.0
  O  O14  1  0.623  0.842  0.172  1.0
  O  O15  1  0.903  0.059  0.397  1.0
  O  O16  1  0.595  0.578  0.411  1.0
  O  O17  1  0.328  0.972  0.689  1.0
  O  O18  1  0.572  0.231  0.909  1.0
  O  O19  1  0.854  0.607  0.348  1.0
  O  O20  1  0.836  0.834  0.657  1.0
  O  O21  1  0.365  0.170  0.846  1.0
  O  O22  1  0.090  0.883  0.617  1.0
  O  O23  1  0.403  0.624  0.892  1.0
  O  O24  1  0.420  0.408  0.570  1.0
  O  O25  1  0.635  0.397  0.075  1.0
  O  O26  1  0.258  0.545  0.276  1.0
  O  O27  1  0.010  0.689  0.973  1.0
  O  O28  1  0.981  0.321  0.991  1.0
  O  O29  1  0.927  0.267  0.543  1.0
[/CIF]
.
The compound described by SrV2(PO5)2 crystallizes in the triclinic P1 space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded in a 8-coordinate geometry to one O(13), one O(14), one O(16), one O(18), one O(19), one O(3), one O(6), and one O(8) atom. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to one O(1), one O(10), one O(12), one O(17), one O(2), one O(20), one O(5), and one O(9) atom. There are four inequivalent V sites. In the first V site, V(1) is bonded to one O(11), one O(12), one O(15), one O(3), one O(6), and one O(9) atom to form VO6 octahedra that share corners with two equivalent V(4)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. In the second V site, V(2) is bonded to one O(10), one O(14), one O(20), one O(4), one O(7), and one O(8) atom to form distorted VO6 octahedra that share corners with two equivalent V(3)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-39°. In the third V site, V(3) is bonded to one O(1), one O(16), one O(19), one O(4), one O(5), and one O(7) atom to form distorted VO6 octahedra that share corners with two equivalent V(2)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 38-39°. In the fourth V site, V(4) is bonded to one O(11), one O(13), one O(15), one O(17), one O(18), and one O(2) atom to form VO6 octahedra that share corners with two equivalent V(1)O6 octahedra,  a cornercorner with one P(1)O4 tetrahedra,  a cornercorner with one P(2)O4 tetrahedra,  a cornercorner with one P(3)O4 tetrahedra, and  a cornercorner with one P(4)O4 tetrahedra. The corner-sharing octahedral tilt angles are 40°. There are four inequivalent P sites. In the first P site, P(1) is bonded to one O(10), one O(18), one O(3), and one O(5) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-56°. In the second P site, P(2) is bonded to one O(1), one O(13), one O(20), and one O(6) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 33-53°. In the third P site, P(3) is bonded to one O(12), one O(19), one O(2), and one O(8) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-56°. In the fourth P site, P(4) is bonded to one O(14), one O(16), one O(17), and one O(9) atom to form PO4 tetrahedra that share  a cornercorner with one V(1)O6 octahedra,  a cornercorner with one V(2)O6 octahedra,  a cornercorner with one V(3)O6 octahedra, and  a cornercorner with one V(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 38-58°. There are twenty inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 150 degrees geometry to one Sr(2), one V(3), and one P(2) atom. In the second O site, O(2) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(4), and one P(3) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one V(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one V(2) and one V(3) atom. In the fifth O site, O(5) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(3), and one P(1) atom. In the sixth O site, O(6) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(1), and one P(2) atom. In the seventh O site, O(7) is bonded in a distorted bent 150 degrees geometry to one V(2) and one V(3) atom. In the eighth O site, O(8) is bonded in a 3-coordinate geometry to one Sr(1), one V(2), and one P(3) atom. In the ninth O site, O(9) is bonded in a 2-coordinate geometry to one Sr(2), one V(1), and one P(4) atom. In the tenth O site, O(10) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(2), and one P(1) atom. In the eleventh O site, O(11) is bonded in a distorted bent 150 degrees geometry to one V(1) and one V(4) atom. In the twelfth O site, O(12) is bonded in a distorted trigonal planar geometry to one Sr(2), one V(1), and one P(3) atom. In the thirteenth O site, O(13) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(4), and one P(2) atom. In the fourteenth O site, O(14) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(2), and one P(4) atom. In the fifteenth O site, O(15) is bonded in a distorted bent 150 degrees geometry to one V(1) and one V(4) atom. In the sixteenth O site, O(16) is bonded in a distorted trigonal planar geometry to one Sr(1), one V(3), and one P(4) atom. In the seventeenth O site, O(17) is bonded in a 3-coordinate geometry to one Sr(2), one V(4), and one P(4) atom. In the eighteenth O site, O(18) is bonded in a 3-coordinate geometry to one Sr(1), one V(4), and one P(1) atom. In the nineteenth O site, O(19) is bonded in a 3-coordinate geometry to one Sr(1), one V(3), and one P(3) atom. In the twentieth O site, O(20) is bonded in a 3-coordinate geometry to one Sr(2), one V(2), and one P(2) atom. is represented by the CIF file [CIF]
data_SrV2(PO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.093
_cell_length_b   8.906
_cell_length_c   7.042
_cell_angle_alpha   77.554
_cell_angle_beta   59.500
_cell_angle_gamma   42.947
_symmetry_Int_Tables_number   1
_cell_volume   358.227
_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
  Sr  Sr0  1  0.996  1.000  0.002  1.0
  Sr  Sr1  1  0.245  0.252  0.252  1.0
  V  V2  1  0.649  0.085  0.622  1.0
  V  V3  1  0.631  0.609  0.591  1.0
  V  V4  1  0.637  0.626  0.083  1.0
  V  V5  1  0.159  0.604  0.606  1.0
  P  P6  1  0.794  0.781  0.206  1.0
  P  P7  1  0.056  0.028  0.444  1.0
  P  P8  1  0.222  0.195  0.786  1.0
  P  P9  1  0.468  0.454  0.025  1.0
  O  O10  1  0.292  0.906  0.236  1.0
  O  O11  1  0.182  0.346  0.613  1.0
  O  O12  1  0.693  0.995  0.331  1.0
  O  O13  1  0.678  0.648  0.822  1.0
  O  O14  1  0.623  0.842  0.172  1.0
  O  O15  1  0.903  0.059  0.397  1.0
  O  O16  1  0.595  0.578  0.411  1.0
  O  O17  1  0.328  0.972  0.689  1.0
  O  O18  1  0.572  0.231  0.909  1.0
  O  O19  1  0.854  0.607  0.348  1.0
  O  O20  1  0.836  0.834  0.657  1.0
  O  O21  1  0.365  0.170  0.846  1.0
  O  O22  1  0.090  0.883  0.617  1.0
  O  O23  1  0.403  0.624  0.892  1.0
  O  O24  1  0.420  0.408  0.570  1.0
  O  O25  1  0.635  0.397  0.075  1.0
  O  O26  1  0.258  0.545  0.276  1.0
  O  O27  1  0.010  0.689  0.973  1.0
  O  O28  1  0.981  0.321  0.991  1.0
  O  O29  1  0.927  0.267  0.543  1.0
[/CIF]
.