The material structure described by Cs8Ga11 crystallizes in the monoclinic C2/c space group. There are four inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 7-coordinate geometry to two equivalent Cs(4), one Ga(1), one Ga(4), one Ga(5), two equivalent Ga(3), and two equivalent Ga(6) atoms. In the second Cs site, Cs(2) is bonded in a 7-coordinate geometry to two equivalent Cs(4), one Ga(2), one Ga(5), one Ga(6), two equivalent Ga(3), and two equivalent Ga(4) atoms. In the third Cs site, Cs(3) is bonded in a 7-coordinate geometry to two equivalent Cs(4), one Ga(2), one Ga(4), one Ga(6), two equivalent Ga(3), and two equivalent Ga(5) atoms. In the fourth Cs site, Cs(4) is bonded in a 15-coordinate geometry to two equivalent Cs(1), two equivalent Cs(2), two equivalent Cs(3), one Ga(1), two equivalent Ga(2), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(6) atoms. There are six inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent Cs(1), two equivalent Cs(4), two equivalent Ga(3), two equivalent Ga(5), and two equivalent Ga(6) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(4), one Ga(5), one Ga(6), two equivalent Ga(3), and two equivalent Ga(4) atoms. In the third Ga site, Ga(3) is bonded to two equivalent Cs(1), two equivalent Cs(2), two equivalent Cs(3), one Ga(1), one Ga(4), one Ga(5), one Ga(6), and two equivalent Ga(2) atoms to form a mixture of distorted edge and face-sharing GaCs6Ga6 cuboctahedra. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to one Cs(1), one Cs(3), two equivalent Cs(2), two equivalent Cs(4), one Ga(3), one Ga(4), and two equivalent Ga(2) atoms. In the fifth Ga site, Ga(5) is bonded in a 10-coordinate geometry to one Cs(1), one Cs(2), two equivalent Cs(3), two equivalent Cs(4), one Ga(1), one Ga(2), one Ga(3), and one Ga(6) atom. In the sixth Ga site, Ga(6) is bonded in a 10-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(1), two equivalent Cs(4), one Ga(1), one Ga(2), one Ga(3), and one Ga(5) atom. is represented by the CIF file [CIF]
data_Cs8Ga11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.993
_cell_length_b   9.994
_cell_length_c   17.947
_cell_angle_alpha   73.868
_cell_angle_beta   73.869
_cell_angle_gamma   59.996
_symmetry_Int_Tables_number   1
_cell_volume   1470.122
_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
  Cs  Cs0  1  0.814  0.595  0.432  1.0
  Cs  Cs1  1  0.596  0.159  0.432  1.0
  Cs  Cs2  1  0.159  0.814  0.432  1.0
  Cs  Cs3  1  0.314  0.659  0.932  1.0
  Cs  Cs4  1  0.659  0.096  0.932  1.0
  Cs  Cs5  1  0.095  0.314  0.932  1.0
  Cs  Cs6  1  0.186  0.405  0.568  1.0
  Cs  Cs7  1  0.404  0.841  0.568  1.0
  Cs  Cs8  1  0.841  0.186  0.568  1.0
  Cs  Cs9  1  0.686  0.341  0.068  1.0
  Cs  Cs10  1  0.341  0.904  0.068  1.0
  Cs  Cs11  1  0.905  0.686  0.068  1.0
  Cs  Cs12  1  0.578  0.578  0.266  1.0
  Cs  Cs13  1  0.078  0.078  0.767  1.0
  Cs  Cs14  1  0.422  0.422  0.734  1.0
  Cs  Cs15  1  0.922  0.922  0.233  1.0
  Ga  Ga16  1  0.934  0.566  0.750  1.0
  Ga  Ga17  1  0.566  0.750  0.750  1.0
  Ga  Ga18  1  0.750  0.934  0.750  1.0
  Ga  Ga19  1  0.434  0.250  0.250  1.0
  Ga  Ga20  1  0.250  0.066  0.250  1.0
  Ga  Ga21  1  0.066  0.434  0.250  1.0
  Ga  Ga22  1  0.207  0.207  0.380  1.0
  Ga  Ga23  1  0.707  0.707  0.880  1.0
  Ga  Ga24  1  0.793  0.793  0.620  1.0
  Ga  Ga25  1  0.293  0.293  0.120  1.0
  Ga  Ga26  1  0.473  0.970  0.330  1.0
  Ga  Ga27  1  0.970  0.227  0.330  1.0
  Ga  Ga28  1  0.227  0.474  0.330  1.0
  Ga  Ga29  1  0.974  0.727  0.830  1.0
  Ga  Ga30  1  0.727  0.470  0.830  1.0
  Ga  Ga31  1  0.470  0.974  0.830  1.0
  Ga  Ga32  1  0.527  0.030  0.670  1.0
  Ga  Ga33  1  0.030  0.773  0.670  1.0
  Ga  Ga34  1  0.773  0.526  0.670  1.0
  Ga  Ga35  1  0.026  0.273  0.170  1.0
  Ga  Ga36  1  0.273  0.530  0.170  1.0
  Ga  Ga37  1  0.530  0.026  0.170  1.0
[/CIF]
.
The material structure described by Cs8Ga11 crystallizes in the monoclinic C2/c space group. There are four inequivalent Cs sites. In the first Cs site, Cs(1) is bonded in a 7-coordinate geometry to two equivalent Cs(4), one Ga(1), one Ga(4), one Ga(5), two equivalent Ga(3), and two equivalent Ga(6) atoms. In the second Cs site, Cs(2) is bonded in a 7-coordinate geometry to two equivalent Cs(4), one Ga(2), one Ga(5), one Ga(6), two equivalent Ga(3), and two equivalent Ga(4) atoms. In the third Cs site, Cs(3) is bonded in a 7-coordinate geometry to two equivalent Cs(4), one Ga(2), one Ga(4), one Ga(6), two equivalent Ga(3), and two equivalent Ga(5) atoms. In the fourth Cs site, Cs(4) is bonded in a 15-coordinate geometry to two equivalent Cs(1), two equivalent Cs(2), two equivalent Cs(3), one Ga(1), two equivalent Ga(2), two equivalent Ga(4), two equivalent Ga(5), and two equivalent Ga(6) atoms. There are six inequivalent Ga sites. In the first Ga site, Ga(1) is bonded in a 10-coordinate geometry to two equivalent Cs(1), two equivalent Cs(4), two equivalent Ga(3), two equivalent Ga(5), and two equivalent Ga(6) atoms. In the second Ga site, Ga(2) is bonded in a 10-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(4), one Ga(5), one Ga(6), two equivalent Ga(3), and two equivalent Ga(4) atoms. In the third Ga site, Ga(3) is bonded to two equivalent Cs(1), two equivalent Cs(2), two equivalent Cs(3), one Ga(1), one Ga(4), one Ga(5), one Ga(6), and two equivalent Ga(2) atoms to form a mixture of distorted edge and face-sharing GaCs6Ga6 cuboctahedra. In the fourth Ga site, Ga(4) is bonded in a 10-coordinate geometry to one Cs(1), one Cs(3), two equivalent Cs(2), two equivalent Cs(4), one Ga(3), one Ga(4), and two equivalent Ga(2) atoms. In the fifth Ga site, Ga(5) is bonded in a 10-coordinate geometry to one Cs(1), one Cs(2), two equivalent Cs(3), two equivalent Cs(4), one Ga(1), one Ga(2), one Ga(3), and one Ga(6) atom. In the sixth Ga site, Ga(6) is bonded in a 10-coordinate geometry to one Cs(2), one Cs(3), two equivalent Cs(1), two equivalent Cs(4), one Ga(1), one Ga(2), one Ga(3), and one Ga(5) atom. is represented by the CIF file [CIF]
data_Cs8Ga11
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.993
_cell_length_b   9.994
_cell_length_c   17.947
_cell_angle_alpha   73.868
_cell_angle_beta   73.869
_cell_angle_gamma   59.996
_symmetry_Int_Tables_number   1
_cell_volume   1470.122
_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
  Cs  Cs0  1  0.814  0.595  0.432  1.0
  Cs  Cs1  1  0.596  0.159  0.432  1.0
  Cs  Cs2  1  0.159  0.814  0.432  1.0
  Cs  Cs3  1  0.314  0.659  0.932  1.0
  Cs  Cs4  1  0.659  0.096  0.932  1.0
  Cs  Cs5  1  0.095  0.314  0.932  1.0
  Cs  Cs6  1  0.186  0.405  0.568  1.0
  Cs  Cs7  1  0.404  0.841  0.568  1.0
  Cs  Cs8  1  0.841  0.186  0.568  1.0
  Cs  Cs9  1  0.686  0.341  0.068  1.0
  Cs  Cs10  1  0.341  0.904  0.068  1.0
  Cs  Cs11  1  0.905  0.686  0.068  1.0
  Cs  Cs12  1  0.578  0.578  0.266  1.0
  Cs  Cs13  1  0.078  0.078  0.767  1.0
  Cs  Cs14  1  0.422  0.422  0.734  1.0
  Cs  Cs15  1  0.922  0.922  0.233  1.0
  Ga  Ga16  1  0.934  0.566  0.750  1.0
  Ga  Ga17  1  0.566  0.750  0.750  1.0
  Ga  Ga18  1  0.750  0.934  0.750  1.0
  Ga  Ga19  1  0.434  0.250  0.250  1.0
  Ga  Ga20  1  0.250  0.066  0.250  1.0
  Ga  Ga21  1  0.066  0.434  0.250  1.0
  Ga  Ga22  1  0.207  0.207  0.380  1.0
  Ga  Ga23  1  0.707  0.707  0.880  1.0
  Ga  Ga24  1  0.793  0.793  0.620  1.0
  Ga  Ga25  1  0.293  0.293  0.120  1.0
  Ga  Ga26  1  0.473  0.970  0.330  1.0
  Ga  Ga27  1  0.970  0.227  0.330  1.0
  Ga  Ga28  1  0.227  0.474  0.330  1.0
  Ga  Ga29  1  0.974  0.727  0.830  1.0
  Ga  Ga30  1  0.727  0.470  0.830  1.0
  Ga  Ga31  1  0.470  0.974  0.830  1.0
  Ga  Ga32  1  0.527  0.030  0.670  1.0
  Ga  Ga33  1  0.030  0.773  0.670  1.0
  Ga  Ga34  1  0.773  0.526  0.670  1.0
  Ga  Ga35  1  0.026  0.273  0.170  1.0
  Ga  Ga36  1  0.273  0.530  0.170  1.0
  Ga  Ga37  1  0.530  0.026  0.170  1.0
[/CIF]
.