The crystal structure described by Yb4O13Cl2 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. In the second Yb site, Yb(2) is bonded in a 7-coordinate geometry to one O(11), one O(13), one O(2), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. In the third Yb site, Yb(3) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(13), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. In the fourth Yb site, Yb(4) is bonded in a 5-coordinate geometry to one O(1), one O(12), one O(3), one O(4), one O(5), one O(7), and one O(9) atom. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Yb(4) and one O(10) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Yb(1), one Yb(2), one Yb(3), and one O(7) atom. In the third O site, O(3) is bonded to one Yb(1), one Yb(3), one Yb(4), and one Cl(1) atom to form distorted corner-sharing OYb3Cl trigonal pyramids. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Yb(2), one Yb(3), one Yb(4), and one O(8) atom. In the fifth O site, O(5) is bonded to one Yb(1), one Yb(2), one Yb(4), and one O(9) atom to form distorted corner-sharing OYb3O trigonal pyramids. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Yb(1), one Yb(2), and one O(9) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Yb(3), one Yb(4), and one O(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Yb(1), one Yb(2), one Yb(3), and one O(4) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Yb(1), one Yb(2), one Yb(4), one O(5), and one O(6) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Yb(1), one Yb(3), and one O(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Yb(2), one Yb(3), and one O(13) atom. In the twelfth O site, O(12) is bonded in a T-shaped geometry to one Yb(1), one Yb(4), and one Cl(2) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Yb(2), one Yb(3), and one O(11) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one O(3) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one O(12) atom. is represented by the CIF file [CIF]
data_Yb4Cl2O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.385
_cell_length_b   7.602
_cell_length_c   7.811
_cell_angle_alpha   61.681
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   595.076
_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
  Yb  Yb0  1  0.311  0.682  0.191  1.0
  Yb  Yb1  1  0.811  0.318  0.809  1.0
  Yb  Yb2  1  0.565  0.001  0.141  1.0
  Yb  Yb3  1  0.065  0.999  0.859  1.0
  Yb  Yb4  1  0.582  0.356  0.462  1.0
  Yb  Yb5  1  0.082  0.644  0.538  1.0
  Yb  Yb6  1  0.815  0.662  0.162  1.0
  Yb  Yb7  1  0.315  0.338  0.838  1.0
  Cl  Cl8  1  0.835  0.211  0.424  1.0
  Cl  Cl9  1  0.335  0.789  0.576  1.0
  Cl  Cl10  1  0.667  0.630  0.842  1.0
  Cl  Cl11  1  0.167  0.370  0.158  1.0
  O  O12  1  0.764  0.736  0.474  1.0
  O  O13  1  0.264  0.264  0.526  1.0
  O  O14  1  0.609  0.207  0.805  1.0
  O  O15  1  0.109  0.793  0.195  1.0
  O  O16  1  0.786  0.388  0.480  1.0
  O  O17  1  0.286  0.612  0.520  1.0
  O  O18  1  0.622  0.680  0.208  1.0
  O  O19  1  0.122  0.320  0.792  1.0
  O  O20  1  0.857  0.975  0.911  1.0
  O  O21  1  0.357  0.025  0.089  1.0
  O  O22  1  0.768  0.073  0.126  1.0
  O  O23  1  0.268  0.927  0.874  1.0
  O  O24  1  0.511  0.333  0.751  1.0
  O  O25  1  0.011  0.667  0.249  1.0
  O  O26  1  0.505  0.670  0.284  1.0
  O  O27  1  0.005  0.330  0.716  1.0
  O  O28  1  0.374  0.996  0.912  1.0
  O  O29  1  0.874  0.004  0.088  1.0
  O  O30  1  0.368  0.302  0.456  1.0
  O  O31  1  0.868  0.698  0.544  1.0
  O  O32  1  0.561  0.089  0.390  1.0
  O  O33  1  0.061  0.911  0.610  1.0
  O  O34  1  0.300  0.456  0.062  1.0
  O  O35  1  0.800  0.544  0.938  1.0
  O  O36  1  0.557  0.263  0.219  1.0
  O  O37  1  0.057  0.737  0.781  1.0
[/CIF]
.
The crystal structure described by Yb4O13Cl2 crystallizes in the monoclinic P2_1 space group. There are four inequivalent Yb sites. In the first Yb site, Yb(1) is bonded in a 8-coordinate geometry to one O(10), one O(12), one O(2), one O(3), one O(5), one O(6), one O(8), and one O(9) atom. In the second Yb site, Yb(2) is bonded in a 7-coordinate geometry to one O(11), one O(13), one O(2), one O(4), one O(5), one O(6), one O(8), and one O(9) atom. In the third Yb site, Yb(3) is bonded in a 8-coordinate geometry to one O(10), one O(11), one O(13), one O(2), one O(3), one O(4), one O(7), and one O(8) atom. In the fourth Yb site, Yb(4) is bonded in a 5-coordinate geometry to one O(1), one O(12), one O(3), one O(4), one O(5), one O(7), and one O(9) atom. There are thirteen inequivalent O sites. In the first O site, O(1) is bonded in a distorted L-shaped geometry to one Yb(4) and one O(10) atom. In the second O site, O(2) is bonded in a distorted see-saw-like geometry to one Yb(1), one Yb(2), one Yb(3), and one O(7) atom. In the third O site, O(3) is bonded to one Yb(1), one Yb(3), one Yb(4), and one Cl(1) atom to form distorted corner-sharing OYb3Cl trigonal pyramids. In the fourth O site, O(4) is bonded in a 4-coordinate geometry to one Yb(2), one Yb(3), one Yb(4), and one O(8) atom. In the fifth O site, O(5) is bonded to one Yb(1), one Yb(2), one Yb(4), and one O(9) atom to form distorted corner-sharing OYb3O trigonal pyramids. In the sixth O site, O(6) is bonded in a 3-coordinate geometry to one Yb(1), one Yb(2), and one O(9) atom. In the seventh O site, O(7) is bonded in a 3-coordinate geometry to one Yb(3), one Yb(4), and one O(2) atom. In the eighth O site, O(8) is bonded in a 4-coordinate geometry to one Yb(1), one Yb(2), one Yb(3), and one O(4) atom. In the ninth O site, O(9) is bonded in a 5-coordinate geometry to one Yb(1), one Yb(2), one Yb(4), one O(5), and one O(6) atom. In the tenth O site, O(10) is bonded in a distorted T-shaped geometry to one Yb(1), one Yb(3), and one O(1) atom. In the eleventh O site, O(11) is bonded in a 3-coordinate geometry to one Yb(2), one Yb(3), and one O(13) atom. In the twelfth O site, O(12) is bonded in a T-shaped geometry to one Yb(1), one Yb(4), and one Cl(2) atom. In the thirteenth O site, O(13) is bonded in a 3-coordinate geometry to one Yb(2), one Yb(3), and one O(11) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one O(3) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one O(12) atom. is represented by the CIF file [CIF]
data_Yb4Cl2O13
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.385
_cell_length_b   7.602
_cell_length_c   7.811
_cell_angle_alpha   61.681
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   595.076
_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
  Yb  Yb0  1  0.311  0.682  0.191  1.0
  Yb  Yb1  1  0.811  0.318  0.809  1.0
  Yb  Yb2  1  0.565  0.001  0.141  1.0
  Yb  Yb3  1  0.065  0.999  0.859  1.0
  Yb  Yb4  1  0.582  0.356  0.462  1.0
  Yb  Yb5  1  0.082  0.644  0.538  1.0
  Yb  Yb6  1  0.815  0.662  0.162  1.0
  Yb  Yb7  1  0.315  0.338  0.838  1.0
  Cl  Cl8  1  0.835  0.211  0.424  1.0
  Cl  Cl9  1  0.335  0.789  0.576  1.0
  Cl  Cl10  1  0.667  0.630  0.842  1.0
  Cl  Cl11  1  0.167  0.370  0.158  1.0
  O  O12  1  0.764  0.736  0.474  1.0
  O  O13  1  0.264  0.264  0.526  1.0
  O  O14  1  0.609  0.207  0.805  1.0
  O  O15  1  0.109  0.793  0.195  1.0
  O  O16  1  0.786  0.388  0.480  1.0
  O  O17  1  0.286  0.612  0.520  1.0
  O  O18  1  0.622  0.680  0.208  1.0
  O  O19  1  0.122  0.320  0.792  1.0
  O  O20  1  0.857  0.975  0.911  1.0
  O  O21  1  0.357  0.025  0.089  1.0
  O  O22  1  0.768  0.073  0.126  1.0
  O  O23  1  0.268  0.927  0.874  1.0
  O  O24  1  0.511  0.333  0.751  1.0
  O  O25  1  0.011  0.667  0.249  1.0
  O  O26  1  0.505  0.670  0.284  1.0
  O  O27  1  0.005  0.330  0.716  1.0
  O  O28  1  0.374  0.996  0.912  1.0
  O  O29  1  0.874  0.004  0.088  1.0
  O  O30  1  0.368  0.302  0.456  1.0
  O  O31  1  0.868  0.698  0.544  1.0
  O  O32  1  0.561  0.089  0.390  1.0
  O  O33  1  0.061  0.911  0.610  1.0
  O  O34  1  0.300  0.456  0.062  1.0
  O  O35  1  0.800  0.544  0.938  1.0
  O  O36  1  0.557  0.263  0.219  1.0
  O  O37  1  0.057  0.737  0.781  1.0
[/CIF]
.