The material described by EuCu(WO4)2 crystallizes in the triclinic P-1 space group. Eu(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), one O(8), and two equivalent O(5) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded in a distorted octahedral geometry to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom. In the second W site, W(2) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(8), and two equivalent O(6) atoms. Cu(1) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(6), and one O(7) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one Cu(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Eu(1) and one W(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Eu(1) and one W(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to two equivalent Eu(1) and one W(2) atom. In the sixth O site, O(6) is bonded to one W(1), two equivalent W(2), and one Cu(1) atom to form distorted edge-sharing OCuW3 tetrahedra. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Eu(1), one W(1), and one Cu(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one W(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_EuCu(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.316
_cell_length_b   7.446
_cell_length_c   7.764
_cell_angle_alpha   114.989
_cell_angle_beta   115.613
_cell_angle_gamma   91.044
_symmetry_Int_Tables_number   1
_cell_volume   335.081
_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
  Eu  Eu0  1  0.189  0.279  0.464  1.0
  Eu  Eu1  1  0.811  0.721  0.536  1.0
  Cu  Cu2  1  0.227  0.671  0.955  1.0
  Cu  Cu3  1  0.773  0.329  0.045  1.0
  W  W4  1  0.269  0.298  0.039  1.0
  W  W5  1  0.731  0.702  0.961  1.0
  W  W6  1  0.649  0.107  0.292  1.0
  W  W7  1  0.351  0.893  0.708  1.0
  O  O8  1  0.202  0.370  0.820  1.0
  O  O9  1  0.798  0.630  0.180  1.0
  O  O10  1  0.454  0.538  0.262  1.0
  O  O11  1  0.546  0.462  0.738  1.0
  O  O12  1  0.855  0.007  0.198  1.0
  O  O13  1  0.145  0.993  0.802  1.0
  O  O14  1  0.705  0.013  0.482  1.0
  O  O15  1  0.295  0.987  0.518  1.0
  O  O16  1  0.179  0.636  0.550  1.0
  O  O17  1  0.821  0.364  0.450  1.0
  O  O18  1  0.477  0.823  0.003  1.0
  O  O19  1  0.523  0.177  0.997  1.0
  O  O20  1  0.043  0.310  0.088  1.0
  O  O21  1  0.957  0.690  0.912  1.0
  O  O22  1  0.384  0.169  0.251  1.0
  O  O23  1  0.616  0.831  0.749  1.0
[/CIF]
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The material described by EuCu(WO4)2 crystallizes in the triclinic P-1 space group. Eu(1) is bonded in a 8-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(7), one O(8), and two equivalent O(5) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded in a distorted octahedral geometry to one O(1), one O(2), one O(3), one O(6), one O(7), and one O(8) atom. In the second W site, W(2) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(8), and two equivalent O(6) atoms. Cu(1) is bonded in a distorted trigonal non-coplanar geometry to one O(1), one O(6), and one O(7) atom. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one Cu(1) atom. In the second O site, O(2) is bonded in a bent 150 degrees geometry to one Eu(1) and one W(1) atom. In the third O site, O(3) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one W(2) atom. In the fourth O site, O(4) is bonded in a bent 150 degrees geometry to one Eu(1) and one W(2) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to two equivalent Eu(1) and one W(2) atom. In the sixth O site, O(6) is bonded to one W(1), two equivalent W(2), and one Cu(1) atom to form distorted edge-sharing OCuW3 tetrahedra. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Eu(1), one W(1), and one Cu(1) atom. In the eighth O site, O(8) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one W(2) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_EuCu(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.316
_cell_length_b   7.446
_cell_length_c   7.764
_cell_angle_alpha   114.989
_cell_angle_beta   115.613
_cell_angle_gamma   91.044
_symmetry_Int_Tables_number   1
_cell_volume   335.081
_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
  Eu  Eu0  1  0.189  0.279  0.464  1.0
  Eu  Eu1  1  0.811  0.721  0.536  1.0
  Cu  Cu2  1  0.227  0.671  0.955  1.0
  Cu  Cu3  1  0.773  0.329  0.045  1.0
  W  W4  1  0.269  0.298  0.039  1.0
  W  W5  1  0.731  0.702  0.961  1.0
  W  W6  1  0.649  0.107  0.292  1.0
  W  W7  1  0.351  0.893  0.708  1.0
  O  O8  1  0.202  0.370  0.820  1.0
  O  O9  1  0.798  0.630  0.180  1.0
  O  O10  1  0.454  0.538  0.262  1.0
  O  O11  1  0.546  0.462  0.738  1.0
  O  O12  1  0.855  0.007  0.198  1.0
  O  O13  1  0.145  0.993  0.802  1.0
  O  O14  1  0.705  0.013  0.482  1.0
  O  O15  1  0.295  0.987  0.518  1.0
  O  O16  1  0.179  0.636  0.550  1.0
  O  O17  1  0.821  0.364  0.450  1.0
  O  O18  1  0.477  0.823  0.003  1.0
  O  O19  1  0.523  0.177  0.997  1.0
  O  O20  1  0.043  0.310  0.088  1.0
  O  O21  1  0.957  0.690  0.912  1.0
  O  O22  1  0.384  0.169  0.251  1.0
  O  O23  1  0.616  0.831  0.749  1.0
[/CIF]
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