The structure described by MgEu2Ag2(WO4)4 crystallizes in the monoclinic C2/m space group. Mg(1) is bonded to two equivalent O(4) and four equivalent O(3) atoms to form distorted MgO6 octahedra that share corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. Eu(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded in a 6-coordinate geometry to one O(4), one O(5), two equivalent O(1), and two equivalent O(3) atoms. In the second W site, W(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted WO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra and  an edgeedge with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. Ag(1) is bonded in a 4-coordinate geometry to one O(4), one O(5), and two equivalent O(3) atoms. There are five inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Eu(1), one W(1), and one Ag(1) atom. In the second O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one W(2) atom. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one Eu(1) and one W(2) atom. In the fourth O site, O(3) is bonded to one Mg(1), one Eu(1), one W(1), and one Ag(1) atom to form distorted OEuMgAgW trigonal pyramids that share  a cornercorner with one O(3)EuMgAgW trigonal pyramid, edges with two equivalent O(4)MgAgW3 trigonal bipyramids,  an edgeedge with one O(3)EuMgAgW trigonal pyramid, and  a faceface with one O(3)EuMgAgW trigonal pyramid. In the fifth O site, O(4) is bonded to one Mg(1), one W(1), two equivalent W(2), and one Ag(1) atom to form distorted OMgAgW3 trigonal bipyramids that share  a cornercorner with one O(4)MgAgW3 trigonal bipyramid,  an edgeedge with one O(4)MgAgW3 trigonal bipyramid, and edges with four equivalent O(3)EuMgAgW trigonal pyramids. is represented by the CIF file [CIF]
data_Eu2MgAg2(WO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.370
_cell_length_b   7.895
_cell_length_c   7.895
_cell_angle_alpha   94.085
_cell_angle_beta   114.920
_cell_angle_gamma   114.919
_symmetry_Int_Tables_number   1
_cell_volume   360.134
_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
  Eu  Eu0  1  0.000  0.709  0.291  1.0
  Eu  Eu1  1  1.000  0.291  0.709  1.0
  Mg  Mg2  1  0.000  0.000  0.000  1.0
  Ag  Ag3  1  0.521  0.693  0.693  1.0
  Ag  Ag4  1  0.479  0.307  0.307  1.0
  W  W5  1  0.977  0.243  0.243  1.0
  W  W6  1  0.023  0.757  0.757  1.0
  W  W7  1  0.500  0.847  0.153  1.0
  W  W8  1  0.500  0.153  0.847  1.0
  O  O9  1  0.763  0.345  0.105  1.0
  O  O10  1  0.237  0.655  0.895  1.0
  O  O11  1  0.237  0.895  0.655  1.0
  O  O12  1  0.763  0.105  0.345  1.0
  O  O13  1  0.643  0.705  0.203  1.0
  O  O14  1  0.357  0.295  0.797  1.0
  O  O15  1  0.357  0.797  0.295  1.0
  O  O16  1  0.643  0.203  0.705  1.0
  O  O17  1  0.909  0.712  0.936  1.0
  O  O18  1  0.091  0.288  0.064  1.0
  O  O19  1  0.091  0.064  0.288  1.0
  O  O20  1  0.909  0.936  0.712  1.0
  O  O21  1  0.671  0.988  0.988  1.0
  O  O22  1  0.329  0.012  0.012  1.0
  O  O23  1  0.834  0.541  0.541  1.0
  O  O24  1  0.166  0.459  0.459  1.0
[/CIF]
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The structure described by MgEu2Ag2(WO4)4 crystallizes in the monoclinic C2/m space group. Mg(1) is bonded to two equivalent O(4) and four equivalent O(3) atoms to form distorted MgO6 octahedra that share corners with four equivalent W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. Eu(1) is bonded in a 8-coordinate geometry to two equivalent O(1), two equivalent O(2), two equivalent O(3), and two equivalent O(5) atoms. There are two inequivalent W sites. In the first W site, W(1) is bonded in a 6-coordinate geometry to one O(4), one O(5), two equivalent O(1), and two equivalent O(3) atoms. In the second W site, W(2) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form distorted WO6 octahedra that share corners with two equivalent Mg(1)O6 octahedra and  an edgeedge with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 53°. Ag(1) is bonded in a 4-coordinate geometry to one O(4), one O(5), and two equivalent O(3) atoms. There are five inequivalent O sites. In the first O site, O(5) is bonded in a 4-coordinate geometry to two equivalent Eu(1), one W(1), and one Ag(1) atom. In the second O site, O(1) is bonded in a distorted trigonal non-coplanar geometry to one Eu(1), one W(1), and one W(2) atom. In the third O site, O(2) is bonded in a bent 150 degrees geometry to one Eu(1) and one W(2) atom. In the fourth O site, O(3) is bonded to one Mg(1), one Eu(1), one W(1), and one Ag(1) atom to form distorted OEuMgAgW trigonal pyramids that share  a cornercorner with one O(3)EuMgAgW trigonal pyramid, edges with two equivalent O(4)MgAgW3 trigonal bipyramids,  an edgeedge with one O(3)EuMgAgW trigonal pyramid, and  a faceface with one O(3)EuMgAgW trigonal pyramid. In the fifth O site, O(4) is bonded to one Mg(1), one W(1), two equivalent W(2), and one Ag(1) atom to form distorted OMgAgW3 trigonal bipyramids that share  a cornercorner with one O(4)MgAgW3 trigonal bipyramid,  an edgeedge with one O(4)MgAgW3 trigonal bipyramid, and edges with four equivalent O(3)EuMgAgW trigonal pyramids. is represented by the CIF file [CIF]
data_Eu2MgAg2(WO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.370
_cell_length_b   7.895
_cell_length_c   7.895
_cell_angle_alpha   94.085
_cell_angle_beta   114.920
_cell_angle_gamma   114.919
_symmetry_Int_Tables_number   1
_cell_volume   360.134
_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
  Eu  Eu0  1  0.000  0.709  0.291  1.0
  Eu  Eu1  1  1.000  0.291  0.709  1.0
  Mg  Mg2  1  0.000  0.000  0.000  1.0
  Ag  Ag3  1  0.521  0.693  0.693  1.0
  Ag  Ag4  1  0.479  0.307  0.307  1.0
  W  W5  1  0.977  0.243  0.243  1.0
  W  W6  1  0.023  0.757  0.757  1.0
  W  W7  1  0.500  0.847  0.153  1.0
  W  W8  1  0.500  0.153  0.847  1.0
  O  O9  1  0.763  0.345  0.105  1.0
  O  O10  1  0.237  0.655  0.895  1.0
  O  O11  1  0.237  0.895  0.655  1.0
  O  O12  1  0.763  0.105  0.345  1.0
  O  O13  1  0.643  0.705  0.203  1.0
  O  O14  1  0.357  0.295  0.797  1.0
  O  O15  1  0.357  0.797  0.295  1.0
  O  O16  1  0.643  0.203  0.705  1.0
  O  O17  1  0.909  0.712  0.936  1.0
  O  O18  1  0.091  0.288  0.064  1.0
  O  O19  1  0.091  0.064  0.288  1.0
  O  O20  1  0.909  0.936  0.712  1.0
  O  O21  1  0.671  0.988  0.988  1.0
  O  O22  1  0.329  0.012  0.012  1.0
  O  O23  1  0.834  0.541  0.541  1.0
  O  O24  1  0.166  0.459  0.459  1.0
[/CIF]
.