The structure described by SrCaWP2O8 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(8), two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms. Ca(1) is bonded to one O(1), one O(2), one O(4), one O(7), one O(8), and two equivalent O(5) atoms to form distorted CaO7 pentagonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Ca(1)O7 pentagonal bipyramid,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. W(1) is bonded in a 5-coordinate geometry to one O(3), one O(4), one O(5), one O(7), and one O(8) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Ca(1)O7 pentagonal bipyramid and  an edgeedge with one Ca(1)O7 pentagonal bipyramid. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Ca(1)O7 pentagonal bipyramids and  an edgeedge with one Ca(1)O7 pentagonal bipyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(1), one Ca(1), and one P(1) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to two equivalent Sr(1), one Ca(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one W(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one W(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one W(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Ca(1), one W(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one W(1), and one P(2) atom. is represented by the CIF card [CIF]
data_SrCaP2WO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.127
_cell_length_b   6.734
_cell_length_c   9.634
_cell_angle_alpha   107.287
_cell_angle_beta   106.253
_cell_angle_gamma   94.672
_symmetry_Int_Tables_number   1
_cell_volume   358.407
_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  0.316  0.800  0.074  1.0
  Sr  Sr1  1  0.684  0.200  0.926  1.0
  Ca  Ca2  1  0.020  0.421  0.677  1.0
  Ca  Ca3  1  0.980  0.579  0.323  1.0
  P  P4  1  0.374  0.396  0.219  1.0
  P  P5  1  0.626  0.604  0.781  1.0
  P  P6  1  0.866  0.017  0.276  1.0
  P  P7  1  0.134  0.983  0.724  1.0
  W  W8  1  0.643  0.848  0.530  1.0
  W  W9  1  0.357  0.152  0.470  1.0
  O  O10  1  0.871  0.606  0.888  1.0
  O  O11  1  0.572  0.441  0.156  1.0
  O  O12  1  0.609  0.810  0.740  1.0
  O  O13  1  0.915  0.096  0.717  1.0
  O  O14  1  0.428  0.559  0.844  1.0
  O  O15  1  0.044  0.751  0.607  1.0
  O  O16  1  0.956  0.249  0.393  1.0
  O  O17  1  0.260  0.992  0.887  1.0
  O  O18  1  0.391  0.190  0.260  1.0
  O  O19  1  0.740  0.008  0.113  1.0
  O  O20  1  0.129  0.394  0.112  1.0
  O  O21  1  0.390  0.579  0.370  1.0
  O  O22  1  0.610  0.421  0.630  1.0
  O  O23  1  0.710  0.876  0.326  1.0
  O  O24  1  0.085  0.904  0.283  1.0
  O  O25  1  0.290  0.124  0.674  1.0
[/CIF]
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The structure described by SrCaWP2O8 crystallizes in the triclinic P-1 space group. Sr(1) is bonded in a 9-coordinate geometry to one O(3), one O(4), one O(8), two equivalent O(1), two equivalent O(2), and two equivalent O(6) atoms. Ca(1) is bonded to one O(1), one O(2), one O(4), one O(7), one O(8), and two equivalent O(5) atoms to form distorted CaO7 pentagonal bipyramids that share  a cornercorner with one P(1)O4 tetrahedra, corners with two equivalent P(2)O4 tetrahedra,  an edgeedge with one Ca(1)O7 pentagonal bipyramid,  an edgeedge with one P(1)O4 tetrahedra, and  an edgeedge with one P(2)O4 tetrahedra. W(1) is bonded in a 5-coordinate geometry to one O(3), one O(4), one O(5), one O(7), and one O(8) atom. There are two inequivalent P sites. In the first P site, P(1) is bonded to one O(1), one O(2), one O(3), and one O(7) atom to form PO4 tetrahedra that share  a cornercorner with one Ca(1)O7 pentagonal bipyramid and  an edgeedge with one Ca(1)O7 pentagonal bipyramid. In the second P site, P(2) is bonded to one O(4), one O(5), one O(6), and one O(8) atom to form PO4 tetrahedra that share corners with two equivalent Ca(1)O7 pentagonal bipyramids and  an edgeedge with one Ca(1)O7 pentagonal bipyramid. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted single-bond geometry to two equivalent Sr(1), one Ca(1), and one P(1) atom. In the second O site, O(2) is bonded in a 1-coordinate geometry to two equivalent Sr(1), one Ca(1), and one P(1) atom. In the third O site, O(3) is bonded in a 3-coordinate geometry to one Sr(1), one W(1), and one P(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one W(1), and one P(2) atom. In the fifth O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Ca(1), one W(1), and one P(2) atom. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to two equivalent Sr(1) and one P(2) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Ca(1), one W(1), and one P(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Sr(1), one Ca(1), one W(1), and one P(2) atom. is represented by the CIF card [CIF]
data_SrCaP2WO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.127
_cell_length_b   6.734
_cell_length_c   9.634
_cell_angle_alpha   107.287
_cell_angle_beta   106.253
_cell_angle_gamma   94.672
_symmetry_Int_Tables_number   1
_cell_volume   358.407
_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  0.316  0.800  0.074  1.0
  Sr  Sr1  1  0.684  0.200  0.926  1.0
  Ca  Ca2  1  0.020  0.421  0.677  1.0
  Ca  Ca3  1  0.980  0.579  0.323  1.0
  P  P4  1  0.374  0.396  0.219  1.0
  P  P5  1  0.626  0.604  0.781  1.0
  P  P6  1  0.866  0.017  0.276  1.0
  P  P7  1  0.134  0.983  0.724  1.0
  W  W8  1  0.643  0.848  0.530  1.0
  W  W9  1  0.357  0.152  0.470  1.0
  O  O10  1  0.871  0.606  0.888  1.0
  O  O11  1  0.572  0.441  0.156  1.0
  O  O12  1  0.609  0.810  0.740  1.0
  O  O13  1  0.915  0.096  0.717  1.0
  O  O14  1  0.428  0.559  0.844  1.0
  O  O15  1  0.044  0.751  0.607  1.0
  O  O16  1  0.956  0.249  0.393  1.0
  O  O17  1  0.260  0.992  0.887  1.0
  O  O18  1  0.391  0.190  0.260  1.0
  O  O19  1  0.740  0.008  0.113  1.0
  O  O20  1  0.129  0.394  0.112  1.0
  O  O21  1  0.390  0.579  0.370  1.0
  O  O22  1  0.610  0.421  0.630  1.0
  O  O23  1  0.710  0.876  0.326  1.0
  O  O24  1  0.085  0.904  0.283  1.0
  O  O25  1  0.290  0.124  0.674  1.0
[/CIF]
.