The material structure described by Y2Cu3(WO4)6 crystallizes in the triclinic P-1 space group. Y(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(6) atom to form YO6 octahedra that share  a cornercorner with one W(2)O6 octahedra and corners with four equivalent W(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-53°. There are three inequivalent W sites. In the first W site, W(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(8), and one O(9) atom. In the second W site, W(2) is bonded to one O(3), one O(5), one O(8), one O(9), and two equivalent O(11) atoms to form distorted WO6 octahedra that share  a cornercorner with one Y(1)O6 octahedra and  an edgeedge with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the third W site, W(3) is bonded to one O(1), one O(10), one O(12), one O(6), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Y(1)O6 octahedra and  an edgeedge with one W(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-53°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square co-planar geometry to two equivalent O(4) and two equivalent O(7) atoms. In the second Cu site, Cu(2) is bonded in a 3-coordinate geometry to one O(11), one O(5), one O(8), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Y(1) and one W(3) atom. In the second O site, O(2) is bonded in a single-bond geometry to one W(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Y(1) and one W(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Y(1), one W(1), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one W(2) and one Cu(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Y(1) and one W(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to two equivalent W(3) and one Cu(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one W(1), one W(2), and one Cu(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Y(1), one W(1), and one W(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to two equivalent W(2) and one Cu(2) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Y(1), one W(1), and one W(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Y2Cu3(WO4)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.060
_cell_length_b   6.202
_cell_length_c   13.676
_cell_angle_alpha   99.268
_cell_angle_beta   91.505
_cell_angle_gamma   109.042
_symmetry_Int_Tables_number   1
_cell_volume   477.784
_cell_formula_units_Z   1
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
  Y  Y0  1  0.667  0.008  0.330  1.0
  Y  Y1  1  0.333  0.992  0.670  1.0
  Cu  Cu2  1  0.500  0.500  0.500  1.0
  Cu  Cu3  1  0.828  0.457  0.144  1.0
  Cu  Cu4  1  0.172  0.543  0.856  1.0
  W  W5  1  0.259  0.325  0.247  1.0
  W  W6  1  0.579  0.331  0.923  1.0
  W  W7  1  0.925  0.327  0.586  1.0
  W  W8  1  0.075  0.673  0.414  1.0
  W  W9  1  0.421  0.669  0.077  1.0
  W  W10  1  0.741  0.675  0.753  1.0
  O  O11  1  0.780  0.069  0.494  1.0
  O  O12  1  0.117  0.053  0.176  1.0
  O  O13  1  0.451  0.065  0.831  1.0
  O  O14  1  0.430  0.251  0.348  1.0
  O  O15  1  0.742  0.251  0.017  1.0
  O  O16  1  0.090  0.221  0.668  1.0
  O  O17  1  0.812  0.522  0.489  1.0
  O  O18  1  0.151  0.519  0.156  1.0
  O  O19  1  0.469  0.529  0.824  1.0
  O  O20  1  0.360  0.684  0.351  1.0
  O  O21  1  0.692  0.666  0.016  1.0
  O  O22  1  0.019  0.661  0.681  1.0
  O  O23  1  0.910  0.779  0.332  1.0
  O  O24  1  0.258  0.749  0.983  1.0
  O  O25  1  0.570  0.749  0.652  1.0
  O  O26  1  0.220  0.931  0.506  1.0
  O  O27  1  0.549  0.935  0.169  1.0
  O  O28  1  0.883  0.947  0.824  1.0
  O  O29  1  0.188  0.478  0.511  1.0
  O  O30  1  0.531  0.471  0.176  1.0
  O  O31  1  0.849  0.481  0.844  1.0
  O  O32  1  0.981  0.339  0.319  1.0
  O  O33  1  0.308  0.334  0.984  1.0
  O  O34  1  0.640  0.316  0.649  1.0
[/CIF]
.
The material structure described by Y2Cu3(WO4)6 crystallizes in the triclinic P-1 space group. Y(1) is bonded to one O(1), one O(10), one O(12), one O(3), one O(4), and one O(6) atom to form YO6 octahedra that share  a cornercorner with one W(2)O6 octahedra and corners with four equivalent W(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-53°. There are three inequivalent W sites. In the first W site, W(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(2), one O(4), one O(8), and one O(9) atom. In the second W site, W(2) is bonded to one O(3), one O(5), one O(8), one O(9), and two equivalent O(11) atoms to form distorted WO6 octahedra that share  a cornercorner with one Y(1)O6 octahedra and  an edgeedge with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 46°. In the third W site, W(3) is bonded to one O(1), one O(10), one O(12), one O(6), and two equivalent O(7) atoms to form distorted WO6 octahedra that share corners with four equivalent Y(1)O6 octahedra and  an edgeedge with one W(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 37-53°. There are two inequivalent Cu sites. In the first Cu site, Cu(1) is bonded in a distorted square co-planar geometry to two equivalent O(4) and two equivalent O(7) atoms. In the second Cu site, Cu(2) is bonded in a 3-coordinate geometry to one O(11), one O(5), one O(8), and one O(9) atom. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a distorted bent 120 degrees geometry to one Y(1) and one W(3) atom. In the second O site, O(2) is bonded in a single-bond geometry to one W(1) atom. In the third O site, O(3) is bonded in a distorted bent 120 degrees geometry to one Y(1) and one W(2) atom. In the fourth O site, O(4) is bonded in a trigonal planar geometry to one Y(1), one W(1), and one Cu(1) atom. In the fifth O site, O(5) is bonded in a bent 120 degrees geometry to one W(2) and one Cu(2) atom. In the sixth O site, O(6) is bonded in a bent 150 degrees geometry to one Y(1) and one W(3) atom. In the seventh O site, O(7) is bonded in a distorted trigonal planar geometry to two equivalent W(3) and one Cu(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal planar geometry to one W(1), one W(2), and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 3-coordinate geometry to one W(1), one W(2), and one Cu(2) atom. In the tenth O site, O(10) is bonded in a 3-coordinate geometry to one Y(1), one W(1), and one W(3) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to two equivalent W(2) and one Cu(2) atom. In the twelfth O site, O(12) is bonded in a trigonal planar geometry to one Y(1), one W(1), and one W(3) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Y2Cu3(WO4)6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.060
_cell_length_b   6.202
_cell_length_c   13.676
_cell_angle_alpha   99.268
_cell_angle_beta   91.505
_cell_angle_gamma   109.042
_symmetry_Int_Tables_number   1
_cell_volume   477.784
_cell_formula_units_Z   1
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
  Y  Y0  1  0.667  0.008  0.330  1.0
  Y  Y1  1  0.333  0.992  0.670  1.0
  Cu  Cu2  1  0.500  0.500  0.500  1.0
  Cu  Cu3  1  0.828  0.457  0.144  1.0
  Cu  Cu4  1  0.172  0.543  0.856  1.0
  W  W5  1  0.259  0.325  0.247  1.0
  W  W6  1  0.579  0.331  0.923  1.0
  W  W7  1  0.925  0.327  0.586  1.0
  W  W8  1  0.075  0.673  0.414  1.0
  W  W9  1  0.421  0.669  0.077  1.0
  W  W10  1  0.741  0.675  0.753  1.0
  O  O11  1  0.780  0.069  0.494  1.0
  O  O12  1  0.117  0.053  0.176  1.0
  O  O13  1  0.451  0.065  0.831  1.0
  O  O14  1  0.430  0.251  0.348  1.0
  O  O15  1  0.742  0.251  0.017  1.0
  O  O16  1  0.090  0.221  0.668  1.0
  O  O17  1  0.812  0.522  0.489  1.0
  O  O18  1  0.151  0.519  0.156  1.0
  O  O19  1  0.469  0.529  0.824  1.0
  O  O20  1  0.360  0.684  0.351  1.0
  O  O21  1  0.692  0.666  0.016  1.0
  O  O22  1  0.019  0.661  0.681  1.0
  O  O23  1  0.910  0.779  0.332  1.0
  O  O24  1  0.258  0.749  0.983  1.0
  O  O25  1  0.570  0.749  0.652  1.0
  O  O26  1  0.220  0.931  0.506  1.0
  O  O27  1  0.549  0.935  0.169  1.0
  O  O28  1  0.883  0.947  0.824  1.0
  O  O29  1  0.188  0.478  0.511  1.0
  O  O30  1  0.531  0.471  0.176  1.0
  O  O31  1  0.849  0.481  0.844  1.0
  O  O32  1  0.981  0.339  0.319  1.0
  O  O33  1  0.308  0.334  0.984  1.0
  O  O34  1  0.640  0.316  0.649  1.0
[/CIF]
.