The compound described by Cs2MgTm2(WO4)4 crystallizes in the triclinic P1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 11-coordinate geometry to one Mg(1), one O(1), one O(10), one O(12), one O(14), one O(16), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. In the second Cs site, Cs(2) is bonded in a 10-coordinate geometry to one O(1), one O(11), one O(13), one O(15), one O(2), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. Mg(1) is bonded to one Cs(1), one O(13), one O(14), one O(15), one O(2), and one O(8) atom to form distorted MgCsO5 square pyramids that share  a cornercorner with one W(1)O6 octahedra,  a cornercorner with one O(10)CsTmW2 trigonal pyramid,  an edgeedge with one W(3)O6 octahedra, and  a faceface with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 66°. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in a 7-coordinate geometry to one O(11), one O(13), one O(15), one O(5), one O(6), one O(8), and one O(9) atom. In the second Tm site, Tm(2) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(14), one O(16), one O(5), one O(6), and one O(7) atom. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(10), one O(13), one O(4), one O(7), and one O(9) atom to form WO6 octahedra that share corners with two equivalent W(4)O6 octahedra,  a cornercorner with one Mg(1)CsO5 square pyramid, and  an edgeedge with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-40°. In the second W site, W(2) is bonded to one O(10), one O(14), one O(2), one O(3), one O(8), and one O(9) atom to form WO6 octahedra that share corners with two equivalent W(3)O6 octahedra,  an edgeedge with one W(1)O6 octahedra, and  a faceface with one Mg(1)CsO5 square pyramid. The corner-sharing octahedral tilt angles range from 40-43°. In the third W site, W(3) is bonded to one O(11), one O(12), one O(15), one O(2), one O(3), and one O(5) atom to form WO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  an edgeedge with one W(4)O6 octahedra, and  an edgeedge with one Mg(1)CsO5 square pyramid. The corner-sharing octahedral tilt angles range from 40-43°. In the fourth W site, W(4) is bonded to one O(1), one O(11), one O(12), one O(16), one O(4), and one O(6) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 39-40°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one W(1), and one W(4) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one Mg(1), one W(2), and one W(3) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one W(2), and one W(3) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Cs(1), one Cs(2), one W(1), and one W(4) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cs(1), one Tm(1), one Tm(2), and one W(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Cs(2), one Tm(1), one Tm(2), and one W(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Cs(1), one Tm(2), and one W(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Cs(2), one Mg(1), one Tm(1), and one W(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Cs(2), one Tm(1), one W(1), and one W(2) atom. In the tenth O site, O(10) is bonded to one Cs(1), one Tm(2), one W(1), and one W(2) atom to form distorted OCsTmW2 trigonal pyramids that share  a cornercorner with one Mg(1)CsO5 square pyramid. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Cs(2), one Tm(1), one W(3), and one W(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Cs(1), one Tm(2), one W(3), and one W(4) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Cs(2), one Mg(1), one Tm(1), and one W(1) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Cs(1), one Mg(1), one Tm(2), and one W(2) atom. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Cs(2), one Mg(1), one Tm(1), and one W(3) atom. In the sixteenth O site, O(16) is bonded in a 2-coordinate geometry to one Cs(1), one Tm(2), and one W(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs2Tm2Mg(WO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.567
_cell_length_b   7.929
_cell_length_c   7.527
_cell_angle_alpha   63.824
_cell_angle_beta   63.843
_cell_angle_gamma   90.626
_symmetry_Int_Tables_number   1
_cell_volume   351.784
_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
  Cs  Cs0  1  0.779  0.240  0.719  1.0
  Cs  Cs1  1  0.212  0.806  0.250  1.0
  Tm  Tm2  1  0.294  0.799  0.718  1.0
  Tm  Tm3  1  0.763  0.199  0.245  1.0
  Mg  Mg4  1  0.935  0.930  0.902  1.0
  W  W5  1  0.289  0.314  0.698  1.0
  W  W6  1  0.692  0.663  0.328  1.0
  W  W7  1  0.690  0.698  0.807  1.0
  W  W8  1  0.310  0.297  0.198  1.0
  O  O9  1  0.369  0.254  0.943  1.0
  O  O10  1  0.636  0.759  0.052  1.0
  O  O11  1  0.758  0.626  0.576  1.0
  O  O12  1  0.241  0.369  0.430  1.0
  O  O13  1  0.615  0.919  0.637  1.0
  O  O14  1  0.393  0.080  0.352  1.0
  O  O15  1  0.036  0.331  0.886  1.0
  O  O16  1  0.949  0.660  0.123  1.0
  O  O17  1  0.402  0.625  0.544  1.0
  O  O18  1  0.585  0.362  0.466  1.0
  O  O19  1  0.376  0.586  0.966  1.0
  O  O20  1  0.638  0.422  0.031  1.0
  O  O21  1  0.218  0.035  0.792  1.0
  O  O22  1  0.777  0.951  0.190  1.0
  O  O23  1  0.967  0.799  0.706  1.0
  O  O24  1  0.036  0.219  0.298  1.0
[/CIF]
.
The compound described by Cs2MgTm2(WO4)4 crystallizes in the triclinic P1 space group. There are two inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 11-coordinate geometry to one Mg(1), one O(1), one O(10), one O(12), one O(14), one O(16), one O(2), one O(3), one O(4), one O(5), and one O(7) atom. In the second Cs site, Cs(2) is bonded in a 10-coordinate geometry to one O(1), one O(11), one O(13), one O(15), one O(2), one O(3), one O(4), one O(6), one O(8), and one O(9) atom. Mg(1) is bonded to one Cs(1), one O(13), one O(14), one O(15), one O(2), and one O(8) atom to form distorted MgCsO5 square pyramids that share  a cornercorner with one W(1)O6 octahedra,  a cornercorner with one O(10)CsTmW2 trigonal pyramid,  an edgeedge with one W(3)O6 octahedra, and  a faceface with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles are 66°. There are two inequivalent Tm sites. In the first Tm site, Tm(1) is bonded in a 7-coordinate geometry to one O(11), one O(13), one O(15), one O(5), one O(6), one O(8), and one O(9) atom. In the second Tm site, Tm(2) is bonded in a 7-coordinate geometry to one O(10), one O(12), one O(14), one O(16), one O(5), one O(6), and one O(7) atom. There are four inequivalent W sites. In the first W site, W(1) is bonded to one O(1), one O(10), one O(13), one O(4), one O(7), and one O(9) atom to form WO6 octahedra that share corners with two equivalent W(4)O6 octahedra,  a cornercorner with one Mg(1)CsO5 square pyramid, and  an edgeedge with one W(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 39-40°. In the second W site, W(2) is bonded to one O(10), one O(14), one O(2), one O(3), one O(8), and one O(9) atom to form WO6 octahedra that share corners with two equivalent W(3)O6 octahedra,  an edgeedge with one W(1)O6 octahedra, and  a faceface with one Mg(1)CsO5 square pyramid. The corner-sharing octahedral tilt angles range from 40-43°. In the third W site, W(3) is bonded to one O(11), one O(12), one O(15), one O(2), one O(3), and one O(5) atom to form WO6 octahedra that share corners with two equivalent W(2)O6 octahedra,  an edgeedge with one W(4)O6 octahedra, and  an edgeedge with one Mg(1)CsO5 square pyramid. The corner-sharing octahedral tilt angles range from 40-43°. In the fourth W site, W(4) is bonded to one O(1), one O(11), one O(12), one O(16), one O(4), and one O(6) atom to form a mixture of corner and edge-sharing WO6 octahedra. The corner-sharing octahedral tilt angles range from 39-40°. There are sixteen inequivalent O sites. In the first O site, O(1) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one W(1), and one W(4) atom. In the second O site, O(2) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one Mg(1), one W(2), and one W(3) atom. In the third O site, O(3) is bonded in a 4-coordinate geometry to one Cs(1), one Cs(2), one W(2), and one W(3) atom. In the fourth O site, O(4) is bonded in a 2-coordinate geometry to one Cs(1), one Cs(2), one W(1), and one W(4) atom. In the fifth O site, O(5) is bonded in a 3-coordinate geometry to one Cs(1), one Tm(1), one Tm(2), and one W(3) atom. In the sixth O site, O(6) is bonded in a 4-coordinate geometry to one Cs(2), one Tm(1), one Tm(2), and one W(4) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Cs(1), one Tm(2), and one W(1) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Cs(2), one Mg(1), one Tm(1), and one W(2) atom. In the ninth O site, O(9) is bonded in a 4-coordinate geometry to one Cs(2), one Tm(1), one W(1), and one W(2) atom. In the tenth O site, O(10) is bonded to one Cs(1), one Tm(2), one W(1), and one W(2) atom to form distorted OCsTmW2 trigonal pyramids that share  a cornercorner with one Mg(1)CsO5 square pyramid. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Cs(2), one Tm(1), one W(3), and one W(4) atom. In the twelfth O site, O(12) is bonded in a 4-coordinate geometry to one Cs(1), one Tm(2), one W(3), and one W(4) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Cs(2), one Mg(1), one Tm(1), and one W(1) atom. In the fourteenth O site, O(14) is bonded in a 3-coordinate geometry to one Cs(1), one Mg(1), one Tm(2), and one W(2) atom. In the fifteenth O site, O(15) is bonded in a 4-coordinate geometry to one Cs(2), one Mg(1), one Tm(1), and one W(3) atom. In the sixteenth O site, O(16) is bonded in a 2-coordinate geometry to one Cs(1), one Tm(2), and one W(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Cs2Tm2Mg(WO4)4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.567
_cell_length_b   7.929
_cell_length_c   7.527
_cell_angle_alpha   63.824
_cell_angle_beta   63.843
_cell_angle_gamma   90.626
_symmetry_Int_Tables_number   1
_cell_volume   351.784
_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
  Cs  Cs0  1  0.779  0.240  0.719  1.0
  Cs  Cs1  1  0.212  0.806  0.250  1.0
  Tm  Tm2  1  0.294  0.799  0.718  1.0
  Tm  Tm3  1  0.763  0.199  0.245  1.0
  Mg  Mg4  1  0.935  0.930  0.902  1.0
  W  W5  1  0.289  0.314  0.698  1.0
  W  W6  1  0.692  0.663  0.328  1.0
  W  W7  1  0.690  0.698  0.807  1.0
  W  W8  1  0.310  0.297  0.198  1.0
  O  O9  1  0.369  0.254  0.943  1.0
  O  O10  1  0.636  0.759  0.052  1.0
  O  O11  1  0.758  0.626  0.576  1.0
  O  O12  1  0.241  0.369  0.430  1.0
  O  O13  1  0.615  0.919  0.637  1.0
  O  O14  1  0.393  0.080  0.352  1.0
  O  O15  1  0.036  0.331  0.886  1.0
  O  O16  1  0.949  0.660  0.123  1.0
  O  O17  1  0.402  0.625  0.544  1.0
  O  O18  1  0.585  0.362  0.466  1.0
  O  O19  1  0.376  0.586  0.966  1.0
  O  O20  1  0.638  0.422  0.031  1.0
  O  O21  1  0.218  0.035  0.792  1.0
  O  O22  1  0.777  0.951  0.190  1.0
  O  O23  1  0.967  0.799  0.706  1.0
  O  O24  1  0.036  0.219  0.298  1.0
[/CIF]
.