The crystal structure described by RbYb(WO4)2 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 8-coordinate geometry to one O(6), one O(7), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. Yb(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), one O(6), one O(8), two equivalent O(1), and two equivalent O(7) 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(4), one O(6), and one O(8) atom. In the second W site, W(2) is bonded in a 5-coordinate geometry to one O(1), one O(5), one O(6), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Rb(1) and one W(2) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Rb(1), one Yb(1), one W(1), and one W(2) atom. In the third O site, O(7) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Yb(1), and one W(2) atom. In the fourth O site, O(8) is bonded in a 3-coordinate geometry to one Yb(1), one W(1), and one W(2) atom. In the fifth O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Yb(1), one W(1), and one W(2) atom. In the sixth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Rb(1) and one W(1) atom. In the seventh O site, O(3) is bonded in a bent 150 degrees geometry to one Yb(1) and one W(1) atom. In the eighth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Rb(1), one Yb(1), and one W(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbYb(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.090
_cell_length_b   9.057
_cell_length_c   10.586
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   98.835
_symmetry_Int_Tables_number   1
_cell_volume   766.448
_cell_formula_units_Z   4
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
  Rb  Rb0  1  0.072  0.512  0.213  1.0
  Rb  Rb1  1  0.928  0.488  0.787  1.0
  Rb  Rb2  1  0.428  0.488  0.713  1.0
  Rb  Rb3  1  0.572  0.512  0.287  1.0
  Yb  Yb4  1  0.024  0.061  0.773  1.0
  Yb  Yb5  1  0.976  0.939  0.227  1.0
  Yb  Yb6  1  0.476  0.939  0.273  1.0
  Yb  Yb7  1  0.524  0.061  0.727  1.0
  W  W8  1  0.292  0.219  0.005  1.0
  W  W9  1  0.708  0.781  0.995  1.0
  W  W10  1  0.208  0.781  0.505  1.0
  W  W11  1  0.792  0.219  0.495  1.0
  W  W12  1  0.177  0.161  0.491  1.0
  W  W13  1  0.823  0.839  0.509  1.0
  W  W14  1  0.323  0.839  0.991  1.0
  W  W15  1  0.677  0.161  0.009  1.0
  O  O16  1  0.254  0.005  0.398  1.0
  O  O17  1  0.746  0.995  0.602  1.0
  O  O18  1  0.246  0.995  0.898  1.0
  O  O19  1  0.754  0.005  0.102  1.0
  O  O20  1  0.350  0.393  0.088  1.0
  O  O21  1  0.650  0.607  0.912  1.0
  O  O22  1  0.150  0.607  0.588  1.0
  O  O23  1  0.850  0.393  0.412  1.0
  O  O24  1  0.118  0.136  0.111  1.0
  O  O25  1  0.882  0.864  0.889  1.0
  O  O26  1  0.382  0.864  0.611  1.0
  O  O27  1  0.618  0.136  0.389  1.0
  O  O28  1  0.331  0.727  0.372  1.0
  O  O29  1  0.669  0.273  0.628  1.0
  O  O30  1  0.169  0.273  0.872  1.0
  O  O31  1  0.831  0.727  0.128  1.0
  O  O32  1  0.266  0.327  0.412  1.0
  O  O33  1  0.734  0.673  0.588  1.0
  O  O34  1  0.234  0.673  0.912  1.0
  O  O35  1  0.766  0.327  0.088  1.0
  O  O36  1  0.003  0.230  0.602  1.0
  O  O37  1  0.997  0.770  0.398  1.0
  O  O38  1  0.497  0.770  0.102  1.0
  O  O39  1  0.503  0.230  0.898  1.0
  O  O40  1  0.302  0.154  0.636  1.0
  O  O41  1  0.698  0.846  0.364  1.0
  O  O42  1  0.198  0.846  0.136  1.0
  O  O43  1  0.802  0.154  0.864  1.0
  O  O44  1  0.452  0.092  0.098  1.0
  O  O45  1  0.548  0.908  0.902  1.0
  O  O46  1  0.048  0.908  0.598  1.0
  O  O47  1  0.952  0.092  0.402  1.0
[/CIF]
.
The crystal structure described by RbYb(WO4)2 crystallizes in the monoclinic P2_1/c space group. Rb(1) is bonded in a 8-coordinate geometry to one O(6), one O(7), two equivalent O(2), two equivalent O(4), and two equivalent O(5) atoms. Yb(1) is bonded in a 8-coordinate geometry to one O(3), one O(4), one O(6), one O(8), two equivalent O(1), and two equivalent O(7) 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(4), one O(6), and one O(8) atom. In the second W site, W(2) is bonded in a 5-coordinate geometry to one O(1), one O(5), one O(6), one O(7), and one O(8) atom. There are eight inequivalent O sites. In the first O site, O(5) is bonded in a distorted single-bond geometry to two equivalent Rb(1) and one W(2) atom. In the second O site, O(6) is bonded in a 3-coordinate geometry to one Rb(1), one Yb(1), one W(1), and one W(2) atom. In the third O site, O(7) is bonded in a 4-coordinate geometry to one Rb(1), two equivalent Yb(1), and one W(2) atom. In the fourth O site, O(8) is bonded in a 3-coordinate geometry to one Yb(1), one W(1), and one W(2) atom. In the fifth O site, O(1) is bonded in a 4-coordinate geometry to two equivalent Yb(1), one W(1), and one W(2) atom. In the sixth O site, O(2) is bonded in a 3-coordinate geometry to two equivalent Rb(1) and one W(1) atom. In the seventh O site, O(3) is bonded in a bent 150 degrees geometry to one Yb(1) and one W(1) atom. In the eighth O site, O(4) is bonded in a 4-coordinate geometry to two equivalent Rb(1), one Yb(1), and one W(1) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_RbYb(WO4)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.090
_cell_length_b   9.057
_cell_length_c   10.586
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   98.835
_symmetry_Int_Tables_number   1
_cell_volume   766.448
_cell_formula_units_Z   4
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
  Rb  Rb0  1  0.072  0.512  0.213  1.0
  Rb  Rb1  1  0.928  0.488  0.787  1.0
  Rb  Rb2  1  0.428  0.488  0.713  1.0
  Rb  Rb3  1  0.572  0.512  0.287  1.0
  Yb  Yb4  1  0.024  0.061  0.773  1.0
  Yb  Yb5  1  0.976  0.939  0.227  1.0
  Yb  Yb6  1  0.476  0.939  0.273  1.0
  Yb  Yb7  1  0.524  0.061  0.727  1.0
  W  W8  1  0.292  0.219  0.005  1.0
  W  W9  1  0.708  0.781  0.995  1.0
  W  W10  1  0.208  0.781  0.505  1.0
  W  W11  1  0.792  0.219  0.495  1.0
  W  W12  1  0.177  0.161  0.491  1.0
  W  W13  1  0.823  0.839  0.509  1.0
  W  W14  1  0.323  0.839  0.991  1.0
  W  W15  1  0.677  0.161  0.009  1.0
  O  O16  1  0.254  0.005  0.398  1.0
  O  O17  1  0.746  0.995  0.602  1.0
  O  O18  1  0.246  0.995  0.898  1.0
  O  O19  1  0.754  0.005  0.102  1.0
  O  O20  1  0.350  0.393  0.088  1.0
  O  O21  1  0.650  0.607  0.912  1.0
  O  O22  1  0.150  0.607  0.588  1.0
  O  O23  1  0.850  0.393  0.412  1.0
  O  O24  1  0.118  0.136  0.111  1.0
  O  O25  1  0.882  0.864  0.889  1.0
  O  O26  1  0.382  0.864  0.611  1.0
  O  O27  1  0.618  0.136  0.389  1.0
  O  O28  1  0.331  0.727  0.372  1.0
  O  O29  1  0.669  0.273  0.628  1.0
  O  O30  1  0.169  0.273  0.872  1.0
  O  O31  1  0.831  0.727  0.128  1.0
  O  O32  1  0.266  0.327  0.412  1.0
  O  O33  1  0.734  0.673  0.588  1.0
  O  O34  1  0.234  0.673  0.912  1.0
  O  O35  1  0.766  0.327  0.088  1.0
  O  O36  1  0.003  0.230  0.602  1.0
  O  O37  1  0.997  0.770  0.398  1.0
  O  O38  1  0.497  0.770  0.102  1.0
  O  O39  1  0.503  0.230  0.898  1.0
  O  O40  1  0.302  0.154  0.636  1.0
  O  O41  1  0.698  0.846  0.364  1.0
  O  O42  1  0.198  0.846  0.136  1.0
  O  O43  1  0.802  0.154  0.864  1.0
  O  O44  1  0.452  0.092  0.098  1.0
  O  O45  1  0.548  0.908  0.902  1.0
  O  O46  1  0.048  0.908  0.598  1.0
  O  O47  1  0.952  0.092  0.402  1.0
[/CIF]
.