The crystal structure described by Ca(Ga3Te5)2 crystallizes in the monoclinic C2 space group. Ca(1) is bonded in a 6-coordinate geometry to one Te(1), one Te(10), one Te(11), one Te(4), one Te(5), and one Te(9) atom. There are six inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one Te(11), one Te(2), one Te(3), and one Te(4) atom to form a mixture of edge and corner-sharing GaTe4 tetrahedra. In the second Ga site, Ga(2) is bonded to one Te(3), one Te(5), one Te(6), and one Te(8) atom to form corner-sharing GaTe4 tetrahedra. In the third Ga site, Ga(3) is bonded to one Te(2), one Te(4), one Te(5), and one Te(8) atom to form corner-sharing GaTe4 tetrahedra. In the fourth Ga site, Ga(4) is bonded to one Te(1), one Te(2), one Te(3), and one Te(9) atom to form a mixture of edge and corner-sharing GaTe4 tetrahedra. In the fifth Ga site, Ga(5) is bonded to one Te(6), one Te(9), and two equivalent Te(7) atoms to form a mixture of edge and corner-sharing GaTe4 tetrahedra. In the sixth Ga site, Ga(6) is bonded to one Te(1), one Te(10), one Te(7), and one Te(8) atom to form corner-sharing GaTe4 tetrahedra. There are eleven inequivalent Te sites. In the first Te site, Te(5) is bonded in a trigonal non-coplanar geometry to one Ca(1), one Ga(2), and one Ga(3) atom. In the second Te site, Te(6) is bonded in an L-shaped geometry to one Ga(2) and one Ga(5) atom. In the third Te site, Te(7) is bonded in a distorted T-shaped geometry to one Ga(6) and two equivalent Ga(5) atoms. In the fourth Te site, Te(8) is bonded in a trigonal non-coplanar geometry to one Ga(2), one Ga(3), and one Ga(6) atom. In the fifth Te site, Te(9) is bonded in a distorted T-shaped geometry to one Ca(1), one Ga(4), and one Ga(5) atom. In the sixth Te site, Te(10) is bonded to two equivalent Ca(1) and two equivalent Ga(6) atoms to form distorted corner-sharing TeCa2Ga2 tetrahedra. In the seventh Te site, Te(11) is bonded to two equivalent Ca(1) and two equivalent Ga(1) atoms to form distorted corner-sharing TeCa2Ga2 trigonal pyramids. In the eighth Te site, Te(1) is bonded in a distorted T-shaped geometry to one Ca(1), one Ga(4), and one Ga(6) atom. In the ninth Te site, Te(2) is bonded in a distorted T-shaped geometry to one Ga(1), one Ga(3), and one Ga(4) atom. In the tenth Te site, Te(3) is bonded in a distorted T-shaped geometry to one Ga(1), one Ga(2), and one Ga(4) atom. In the eleventh Te site, Te(4) is bonded in a distorted T-shaped geometry to one Ca(1), one Ga(1), and one Ga(3) atom. is represented by the CIF file [CIF]
data_Ca(Ga3Te5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.422
_cell_length_b   10.422
_cell_length_c   10.358
_cell_angle_alpha   89.825
_cell_angle_beta   89.825
_cell_angle_gamma   89.252
_symmetry_Int_Tables_number   1
_cell_volume   1125.013
_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
  Ca  Ca0  1  0.999  0.741  0.748  1.0
  Ca  Ca1  1  0.259  0.001  0.252  1.0
  Ga  Ga2  1  0.907  0.998  0.167  1.0
  Ga  Ga3  1  0.822  0.617  0.161  1.0
  Ga  Ga4  1  0.685  0.905  0.878  1.0
  Ga  Ga5  1  0.596  0.912  0.253  1.0
  Ga  Ga6  1  0.508  0.577  0.338  1.0
  Ga  Ga7  1  0.423  0.492  0.662  1.0
  Ga  Ga8  1  0.418  0.870  0.574  1.0
  Ga  Ga9  1  0.383  0.178  0.839  1.0
  Ga  Ga10  1  0.130  0.582  0.426  1.0
  Ga  Ga11  1  0.095  0.315  0.122  1.0
  Ga  Ga12  1  0.088  0.404  0.747  1.0
  Ga  Ga13  1  0.002  0.093  0.833  1.0
  Te  Te14  1  0.940  0.499  0.567  1.0
  Te  Te15  1  0.927  0.318  0.930  1.0
  Te  Te16  1  0.823  0.814  0.324  1.0
  Te  Te17  1  0.826  0.994  0.687  1.0
  Te  Te18  1  0.753  0.664  0.920  1.0
  Te  Te19  1  0.692  0.431  0.258  1.0
  Te  Te20  1  0.682  0.073  0.070  1.0
  Te  Te21  1  0.577  0.674  0.569  1.0
  Te  Te22  1  0.569  0.308  0.742  1.0
  Te  Te23  1  0.501  0.060  0.433  1.0
  Te  Te24  1  0.431  0.922  0.827  1.0
  Te  Te25  1  0.431  0.748  0.167  1.0
  Te  Te26  1  0.336  0.247  0.080  1.0
  Te  Te27  1  0.326  0.423  0.431  1.0
  Te  Te28  1  0.252  0.569  0.833  1.0
  Te  Te29  1  0.186  0.177  0.676  1.0
  Te  Te30  1  0.176  0.824  0.500  1.0
  Te  Te31  1  0.082  0.918  0.000  1.0
  Te  Te32  1  0.078  0.569  0.173  1.0
  Te  Te33  1  0.006  0.174  0.313  1.0
[/CIF]
.
The crystal structure described by Ca(Ga3Te5)2 crystallizes in the monoclinic C2 space group. Ca(1) is bonded in a 6-coordinate geometry to one Te(1), one Te(10), one Te(11), one Te(4), one Te(5), and one Te(9) atom. There are six inequivalent Ga sites. In the first Ga site, Ga(1) is bonded to one Te(11), one Te(2), one Te(3), and one Te(4) atom to form a mixture of edge and corner-sharing GaTe4 tetrahedra. In the second Ga site, Ga(2) is bonded to one Te(3), one Te(5), one Te(6), and one Te(8) atom to form corner-sharing GaTe4 tetrahedra. In the third Ga site, Ga(3) is bonded to one Te(2), one Te(4), one Te(5), and one Te(8) atom to form corner-sharing GaTe4 tetrahedra. In the fourth Ga site, Ga(4) is bonded to one Te(1), one Te(2), one Te(3), and one Te(9) atom to form a mixture of edge and corner-sharing GaTe4 tetrahedra. In the fifth Ga site, Ga(5) is bonded to one Te(6), one Te(9), and two equivalent Te(7) atoms to form a mixture of edge and corner-sharing GaTe4 tetrahedra. In the sixth Ga site, Ga(6) is bonded to one Te(1), one Te(10), one Te(7), and one Te(8) atom to form corner-sharing GaTe4 tetrahedra. There are eleven inequivalent Te sites. In the first Te site, Te(5) is bonded in a trigonal non-coplanar geometry to one Ca(1), one Ga(2), and one Ga(3) atom. In the second Te site, Te(6) is bonded in an L-shaped geometry to one Ga(2) and one Ga(5) atom. In the third Te site, Te(7) is bonded in a distorted T-shaped geometry to one Ga(6) and two equivalent Ga(5) atoms. In the fourth Te site, Te(8) is bonded in a trigonal non-coplanar geometry to one Ga(2), one Ga(3), and one Ga(6) atom. In the fifth Te site, Te(9) is bonded in a distorted T-shaped geometry to one Ca(1), one Ga(4), and one Ga(5) atom. In the sixth Te site, Te(10) is bonded to two equivalent Ca(1) and two equivalent Ga(6) atoms to form distorted corner-sharing TeCa2Ga2 tetrahedra. In the seventh Te site, Te(11) is bonded to two equivalent Ca(1) and two equivalent Ga(1) atoms to form distorted corner-sharing TeCa2Ga2 trigonal pyramids. In the eighth Te site, Te(1) is bonded in a distorted T-shaped geometry to one Ca(1), one Ga(4), and one Ga(6) atom. In the ninth Te site, Te(2) is bonded in a distorted T-shaped geometry to one Ga(1), one Ga(3), and one Ga(4) atom. In the tenth Te site, Te(3) is bonded in a distorted T-shaped geometry to one Ga(1), one Ga(2), and one Ga(4) atom. In the eleventh Te site, Te(4) is bonded in a distorted T-shaped geometry to one Ca(1), one Ga(1), and one Ga(3) atom. is represented by the CIF file [CIF]
data_Ca(Ga3Te5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   10.422
_cell_length_b   10.422
_cell_length_c   10.358
_cell_angle_alpha   89.825
_cell_angle_beta   89.825
_cell_angle_gamma   89.252
_symmetry_Int_Tables_number   1
_cell_volume   1125.013
_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
  Ca  Ca0  1  0.999  0.741  0.748  1.0
  Ca  Ca1  1  0.259  0.001  0.252  1.0
  Ga  Ga2  1  0.907  0.998  0.167  1.0
  Ga  Ga3  1  0.822  0.617  0.161  1.0
  Ga  Ga4  1  0.685  0.905  0.878  1.0
  Ga  Ga5  1  0.596  0.912  0.253  1.0
  Ga  Ga6  1  0.508  0.577  0.338  1.0
  Ga  Ga7  1  0.423  0.492  0.662  1.0
  Ga  Ga8  1  0.418  0.870  0.574  1.0
  Ga  Ga9  1  0.383  0.178  0.839  1.0
  Ga  Ga10  1  0.130  0.582  0.426  1.0
  Ga  Ga11  1  0.095  0.315  0.122  1.0
  Ga  Ga12  1  0.088  0.404  0.747  1.0
  Ga  Ga13  1  0.002  0.093  0.833  1.0
  Te  Te14  1  0.940  0.499  0.567  1.0
  Te  Te15  1  0.927  0.318  0.930  1.0
  Te  Te16  1  0.823  0.814  0.324  1.0
  Te  Te17  1  0.826  0.994  0.687  1.0
  Te  Te18  1  0.753  0.664  0.920  1.0
  Te  Te19  1  0.692  0.431  0.258  1.0
  Te  Te20  1  0.682  0.073  0.070  1.0
  Te  Te21  1  0.577  0.674  0.569  1.0
  Te  Te22  1  0.569  0.308  0.742  1.0
  Te  Te23  1  0.501  0.060  0.433  1.0
  Te  Te24  1  0.431  0.922  0.827  1.0
  Te  Te25  1  0.431  0.748  0.167  1.0
  Te  Te26  1  0.336  0.247  0.080  1.0
  Te  Te27  1  0.326  0.423  0.431  1.0
  Te  Te28  1  0.252  0.569  0.833  1.0
  Te  Te29  1  0.186  0.177  0.676  1.0
  Te  Te30  1  0.176  0.824  0.500  1.0
  Te  Te31  1  0.082  0.918  0.000  1.0
  Te  Te32  1  0.078  0.569  0.173  1.0
  Te  Te33  1  0.006  0.174  0.313  1.0
[/CIF]
.