The crystal structure described by Ba4Y2W2Cu4O17 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(13), one O(14), one O(15), one O(2), one O(8), and one O(9) atom. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one O(13), one O(15), one O(16), one O(2), one O(3), one O(4), one O(6), one O(7), and two equivalent O(17) atoms. In the third Ba site, Ba(3) is bonded in a 12-coordinate geometry to one O(12), one O(14), one O(16), one O(3), one O(6), one O(7), one O(8), one O(9), two equivalent O(11), and two equivalent O(5) atoms. In the fourth Ba site, Ba(4) is bonded in a 12-coordinate geometry to one O(12), one O(14), one O(16), one O(3), one O(6), one O(7), one O(8), one O(9), two equivalent O(11), and two equivalent O(5) atoms. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(12), one O(13), one O(15), one O(8), and one O(9) atom. In the second Y site, Y(2) is bonded in a 6-coordinate geometry to one O(15), one O(16), one O(17), one O(2), one O(3), and one O(4) atom. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(12), one O(14), one O(5), one O(8), and one O(9) atom to form WO6 octahedra that share  a cornercorner with one Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. In the second W site, W(2) is bonded to one O(11), one O(16), one O(17), one O(3), one O(6), and one O(7) atom to form WO6 octahedra that share corners with four equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-19°. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(16), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted CuO6 octahedra that share  a cornercorner with one W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and  a cornercorner with one Cu(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 6-19°. In the second Cu site, Cu(2) is bonded in a 5-coordinate geometry to one O(10), one O(11), one O(14), one O(8), and one O(9) atom. In the third Cu site, Cu(3) is bonded in a distorted T-shaped geometry to one O(1), one O(13), one O(15), and one O(17) atom. In the fourth Cu site, Cu(4) is bonded to one O(10), one O(13), one O(15), one O(2), and one O(4) atom to form distorted corner-sharing CuO5 square pyramids. The corner-sharing octahedral tilt angles are 33°. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Y(1), one W(1), and one Cu(3) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), one Y(2), and one Cu(4) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Y(2), one W(2), and one Cu(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(2), one Y(2), one Cu(1), and one Cu(4) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to two equivalent Ba(3), two equivalent Ba(4), one W(1), and one Cu(1) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Ba(2), one Ba(3), one Ba(4), one W(2), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one W(2), and one Cu(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Y(1), one W(1), and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Y(1), one W(1), and one Cu(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Ba(1), one Y(1), one Cu(2), and one Cu(4) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to two equivalent Ba(3), two equivalent Ba(4), one W(2), and one Cu(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Y(1), and one W(1) atom. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Y(1), one Cu(3), and one Cu(4) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one W(1), and one Cu(2) atom. In the fifteenth O site, O(15) is bonded to one Ba(1), one Ba(2), one Y(1), one Y(2), one Cu(3), and one Cu(4) atom to form a mixture of distorted corner and face-sharing OBa2Y2Cu2 octahedra. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Y(2), one W(2), and one Cu(1) atom. In the seventeenth O site, O(17) is bonded to two equivalent Ba(2), one Y(2), one W(2), and one Cu(3) atom to form distorted OBa2YCuW square pyramids that share  a cornercorner with one O(15)Ba2Y2Cu2 octahedra, corners with two equivalent O(17)Ba2YCuW square pyramids, and  a faceface with one O(15)Ba2Y2Cu2 octahedra. The corner-sharing octahedral tilt angles are 53°. is represented by the CIF card [CIF]
data_Ba4Y2Cu4W2O17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.037
_cell_length_b   17.827
_cell_length_c   15.328
_cell_angle_alpha   18.543
_cell_angle_beta   51.422
_cell_angle_gamma   54.528
_symmetry_Int_Tables_number   1
_cell_volume   409.697
_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
  Ba  Ba0  1  0.984  0.972  0.039  1.0
  Ba  Ba1  1  0.019  0.346  0.974  1.0
  Ba  Ba2  1  0.984  0.676  0.988  1.0
  Ba  Ba3  1  0.494  0.177  0.490  1.0
  Y  Y4  1  0.564  0.530  0.474  1.0
  Y  Y5  1  0.402  0.776  0.542  1.0
  Cu  Cu6  1  0.269  0.259  0.227  1.0
  Cu  Cu7  1  0.229  0.574  0.269  1.0
  Cu  Cu8  1  0.242  0.927  0.233  1.0
  Cu  Cu9  1  0.790  0.389  0.775  1.0
  W  W10  1  0.731  0.096  0.744  1.0
  W  W11  1  0.737  0.765  0.733  1.0
  O  O12  1  0.470  0.109  0.898  1.0
  O  O13  1  0.565  0.124  0.080  1.0
  O  O14  1  0.001  0.497  0.992  1.0
  O  O15  1  0.563  0.411  0.911  1.0
  O  O16  1  0.976  0.130  0.546  1.0
  O  O17  1  0.521  0.025  0.472  1.0
  O  O18  1  0.520  0.540  0.968  1.0
  O  O19  1  0.968  0.843  0.017  1.0
  O  O20  1  0.956  0.328  0.498  1.0
  O  O21  1  0.941  0.439  0.567  1.0
  O  O22  1  0.521  0.704  0.959  1.0
  O  O23  1  0.527  0.816  0.057  1.0
  O  O24  1  0.095  0.569  0.557  1.0
  O  O25  1  0.489  0.314  0.509  1.0
  O  O26  1  0.494  0.676  0.480  1.0
  O  O27  1  0.032  0.947  0.527  1.0
  O  O28  1  0.996  0.838  0.487  1.0
[/CIF]
.
The crystal structure described by Ba4Y2W2Cu4O17 is Orthorhombic Perovskite-derived structured and crystallizes in the triclinic P1 space group. There are four inequivalent Ba sites. In the first Ba site, Ba(1) is bonded in a 6-coordinate geometry to one O(10), one O(12), one O(13), one O(14), one O(15), one O(2), one O(8), and one O(9) atom. In the second Ba site, Ba(2) is bonded in a 10-coordinate geometry to one O(13), one O(15), one O(16), one O(2), one O(3), one O(4), one O(6), one O(7), and two equivalent O(17) atoms. In the third Ba site, Ba(3) is bonded in a 12-coordinate geometry to one O(12), one O(14), one O(16), one O(3), one O(6), one O(7), one O(8), one O(9), two equivalent O(11), and two equivalent O(5) atoms. In the fourth Ba site, Ba(4) is bonded in a 12-coordinate geometry to one O(12), one O(14), one O(16), one O(3), one O(6), one O(7), one O(8), one O(9), two equivalent O(11), and two equivalent O(5) atoms. There are two inequivalent Y sites. In the first Y site, Y(1) is bonded in a 7-coordinate geometry to one O(1), one O(10), one O(12), one O(13), one O(15), one O(8), and one O(9) atom. In the second Y site, Y(2) is bonded in a 6-coordinate geometry to one O(15), one O(16), one O(17), one O(2), one O(3), and one O(4) atom. There are two inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(12), one O(14), one O(5), one O(8), and one O(9) atom to form WO6 octahedra that share  a cornercorner with one Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles are 14°. In the second W site, W(2) is bonded to one O(11), one O(16), one O(17), one O(3), one O(6), and one O(7) atom to form WO6 octahedra that share corners with four equivalent Cu(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 6-19°. There are four inequivalent Cu sites. In the first Cu site, Cu(1) is bonded to one O(16), one O(3), one O(4), one O(5), one O(6), and one O(7) atom to form distorted CuO6 octahedra that share  a cornercorner with one W(1)O6 octahedra, corners with four equivalent W(2)O6 octahedra, and  a cornercorner with one Cu(4)O5 square pyramid. The corner-sharing octahedral tilt angles range from 6-19°. In the second Cu site, Cu(2) is bonded in a 5-coordinate geometry to one O(10), one O(11), one O(14), one O(8), and one O(9) atom. In the third Cu site, Cu(3) is bonded in a distorted T-shaped geometry to one O(1), one O(13), one O(15), and one O(17) atom. In the fourth Cu site, Cu(4) is bonded to one O(10), one O(13), one O(15), one O(2), and one O(4) atom to form distorted corner-sharing CuO5 square pyramids. The corner-sharing octahedral tilt angles are 33°. There are seventeen inequivalent O sites. In the first O site, O(1) is bonded in a 3-coordinate geometry to one Y(1), one W(1), and one Cu(3) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(2), one Y(2), and one Cu(4) atom. In the third O site, O(3) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Y(2), one W(2), and one Cu(1) atom. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Ba(2), one Y(2), one Cu(1), and one Cu(4) atom. In the fifth O site, O(5) is bonded in a 6-coordinate geometry to two equivalent Ba(3), two equivalent Ba(4), one W(1), and one Cu(1) atom. In the sixth O site, O(6) is bonded in a distorted linear geometry to one Ba(2), one Ba(3), one Ba(4), one W(2), and one Cu(1) atom. In the seventh O site, O(7) is bonded in a 5-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one W(2), and one Cu(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Y(1), one W(1), and one Cu(2) atom. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Y(1), one W(1), and one Cu(2) atom. In the tenth O site, O(10) is bonded in a 4-coordinate geometry to one Ba(1), one Y(1), one Cu(2), and one Cu(4) atom. In the eleventh O site, O(11) is bonded in a 2-coordinate geometry to two equivalent Ba(3), two equivalent Ba(4), one W(2), and one Cu(2) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one Y(1), and one W(1) atom. In the thirteenth O site, O(13) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(2), one Y(1), one Cu(3), and one Cu(4) atom. In the fourteenth O site, O(14) is bonded in a 5-coordinate geometry to one Ba(1), one Ba(3), one Ba(4), one W(1), and one Cu(2) atom. In the fifteenth O site, O(15) is bonded to one Ba(1), one Ba(2), one Y(1), one Y(2), one Cu(3), and one Cu(4) atom to form a mixture of distorted corner and face-sharing OBa2Y2Cu2 octahedra. In the sixteenth O site, O(16) is bonded in a 6-coordinate geometry to one Ba(2), one Ba(3), one Ba(4), one Y(2), one W(2), and one Cu(1) atom. In the seventeenth O site, O(17) is bonded to two equivalent Ba(2), one Y(2), one W(2), and one Cu(3) atom to form distorted OBa2YCuW square pyramids that share  a cornercorner with one O(15)Ba2Y2Cu2 octahedra, corners with two equivalent O(17)Ba2YCuW square pyramids, and  a faceface with one O(15)Ba2Y2Cu2 octahedra. The corner-sharing octahedral tilt angles are 53°. is represented by the CIF card [CIF]
data_Ba4Y2Cu4W2O17
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.037
_cell_length_b   17.827
_cell_length_c   15.328
_cell_angle_alpha   18.543
_cell_angle_beta   51.422
_cell_angle_gamma   54.528
_symmetry_Int_Tables_number   1
_cell_volume   409.697
_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
  Ba  Ba0  1  0.984  0.972  0.039  1.0
  Ba  Ba1  1  0.019  0.346  0.974  1.0
  Ba  Ba2  1  0.984  0.676  0.988  1.0
  Ba  Ba3  1  0.494  0.177  0.490  1.0
  Y  Y4  1  0.564  0.530  0.474  1.0
  Y  Y5  1  0.402  0.776  0.542  1.0
  Cu  Cu6  1  0.269  0.259  0.227  1.0
  Cu  Cu7  1  0.229  0.574  0.269  1.0
  Cu  Cu8  1  0.242  0.927  0.233  1.0
  Cu  Cu9  1  0.790  0.389  0.775  1.0
  W  W10  1  0.731  0.096  0.744  1.0
  W  W11  1  0.737  0.765  0.733  1.0
  O  O12  1  0.470  0.109  0.898  1.0
  O  O13  1  0.565  0.124  0.080  1.0
  O  O14  1  0.001  0.497  0.992  1.0
  O  O15  1  0.563  0.411  0.911  1.0
  O  O16  1  0.976  0.130  0.546  1.0
  O  O17  1  0.521  0.025  0.472  1.0
  O  O18  1  0.520  0.540  0.968  1.0
  O  O19  1  0.968  0.843  0.017  1.0
  O  O20  1  0.956  0.328  0.498  1.0
  O  O21  1  0.941  0.439  0.567  1.0
  O  O22  1  0.521  0.704  0.959  1.0
  O  O23  1  0.527  0.816  0.057  1.0
  O  O24  1  0.095  0.569  0.557  1.0
  O  O25  1  0.489  0.314  0.509  1.0
  O  O26  1  0.494  0.676  0.480  1.0
  O  O27  1  0.032  0.947  0.527  1.0
  O  O28  1  0.996  0.838  0.487  1.0
[/CIF]
.