The material structure described by Si2C7SbCl2 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 4-coordinate geometry to one C(1), one C(3), one C(4), and one Cl(1) atom. In the second Si site, Si(2) is bonded in a tetrahedral geometry to one C(1), one C(5), one C(6), and one Cl(2) atom. There are seven inequivalent C sites. In the first C site, C(6) is bonded in a distorted single-bond geometry to one Si(2), one C(5), and one C(7) atom. In the second C site, C(7) is bonded in a 3-coordinate geometry to one C(5), one C(6), and one Sb(1) atom. In the third C site, C(1) is bonded in a trigonal non-coplanar geometry to one Si(1), one Si(2), and one Sb(1) atom. In the fourth C site, C(2) is bonded in a trigonal planar geometry to one C(3), one C(4), and one Sb(1) atom. In the fifth C site, C(3) is bonded in a 3-coordinate geometry to one Si(1), one C(2), and one C(4) atom. In the sixth C site, C(4) is bonded in a 3-coordinate geometry to one Si(1), one C(2), and one C(3) atom. In the seventh C site, C(5) is bonded in a distorted single-bond geometry to one Si(2), one C(6), and one C(7) atom. Sb(1) is bonded in a trigonal non-coplanar geometry to one C(1), one C(2), and one C(7) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one Si(1) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one Si(2) atom. is represented by the CIF file [CIF]
data_Si2SbC7Cl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   22.701
_cell_length_b   6.171
_cell_length_c   8.077
_cell_angle_alpha   56.536
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   943.944
_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
  Si  Si0  1  0.069  0.223  0.357  1.0
  Si  Si1  1  0.431  0.223  0.857  1.0
  Si  Si2  1  0.931  0.777  0.643  1.0
  Si  Si3  1  0.569  0.777  0.143  1.0
  Si  Si4  1  0.193  0.223  0.427  1.0
  Si  Si5  1  0.307  0.223  0.927  1.0
  Si  Si6  1  0.807  0.777  0.573  1.0
  Si  Si7  1  0.693  0.777  0.073  1.0
  Sb  Sb8  1  0.145  0.699  0.763  1.0
  Sb  Sb9  1  0.355  0.699  0.263  1.0
  Sb  Sb10  1  0.855  0.301  0.237  1.0
  Sb  Sb11  1  0.645  0.301  0.737  1.0
  C  C12  1  0.133  0.010  0.464  1.0
  C  C13  1  0.367  0.010  0.964  1.0
  C  C14  1  0.867  0.990  0.536  1.0
  C  C15  1  0.633  0.990  0.036  1.0
  C  C16  1  0.945  0.402  0.115  1.0
  C  C17  1  0.555  0.402  0.615  1.0
  C  C18  1  0.055  0.598  0.885  1.0
  C  C19  1  0.445  0.598  0.385  1.0
  C  C20  1  0.000  0.315  0.206  1.0
  C  C21  1  0.500  0.315  0.706  1.0
  C  C22  1  1.000  0.685  0.794  1.0
  C  C23  1  0.500  0.685  0.294  1.0
  C  C24  1  0.053  0.420  0.091  1.0
  C  C25  1  0.447  0.420  0.591  1.0
  C  C26  1  0.947  0.580  0.909  1.0
  C  C27  1  0.553  0.580  0.409  1.0
  C  C28  1  0.294  0.247  0.149  1.0
  C  C29  1  0.206  0.247  0.649  1.0
  C  C30  1  0.706  0.753  0.851  1.0
  C  C31  1  0.794  0.753  0.351  1.0
  C  C32  1  0.266  0.229  0.308  1.0
  C  C33  1  0.234  0.229  0.808  1.0
  C  C34  1  0.734  0.771  0.692  1.0
  C  C35  1  0.766  0.771  0.192  1.0
  C  C36  1  0.320  0.353  0.248  1.0
  C  C37  1  0.180  0.353  0.748  1.0
  C  C38  1  0.680  0.647  0.752  1.0
  C  C39  1  0.820  0.647  0.252  1.0
  Cl  Cl40  1  0.937  0.595  0.490  1.0
  Cl  Cl41  1  0.563  0.595  0.990  1.0
  Cl  Cl42  1  0.063  0.405  0.510  1.0
  Cl  Cl43  1  0.437  0.405  0.010  1.0
  Cl  Cl44  1  0.182  0.624  0.217  1.0
  Cl  Cl45  1  0.318  0.624  0.717  1.0
  Cl  Cl46  1  0.818  0.376  0.783  1.0
  Cl  Cl47  1  0.682  0.376  0.283  1.0
[/CIF]
.
The material structure described by Si2C7SbCl2 crystallizes in the monoclinic P2_1/c space group. There are two inequivalent Si sites. In the first Si site, Si(1) is bonded in a 4-coordinate geometry to one C(1), one C(3), one C(4), and one Cl(1) atom. In the second Si site, Si(2) is bonded in a tetrahedral geometry to one C(1), one C(5), one C(6), and one Cl(2) atom. There are seven inequivalent C sites. In the first C site, C(6) is bonded in a distorted single-bond geometry to one Si(2), one C(5), and one C(7) atom. In the second C site, C(7) is bonded in a 3-coordinate geometry to one C(5), one C(6), and one Sb(1) atom. In the third C site, C(1) is bonded in a trigonal non-coplanar geometry to one Si(1), one Si(2), and one Sb(1) atom. In the fourth C site, C(2) is bonded in a trigonal planar geometry to one C(3), one C(4), and one Sb(1) atom. In the fifth C site, C(3) is bonded in a 3-coordinate geometry to one Si(1), one C(2), and one C(4) atom. In the sixth C site, C(4) is bonded in a 3-coordinate geometry to one Si(1), one C(2), and one C(3) atom. In the seventh C site, C(5) is bonded in a distorted single-bond geometry to one Si(2), one C(6), and one C(7) atom. Sb(1) is bonded in a trigonal non-coplanar geometry to one C(1), one C(2), and one C(7) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a single-bond geometry to one Si(1) atom. In the second Cl site, Cl(2) is bonded in a single-bond geometry to one Si(2) atom. is represented by the CIF file [CIF]
data_Si2SbC7Cl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   22.701
_cell_length_b   6.171
_cell_length_c   8.077
_cell_angle_alpha   56.536
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   943.944
_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
  Si  Si0  1  0.069  0.223  0.357  1.0
  Si  Si1  1  0.431  0.223  0.857  1.0
  Si  Si2  1  0.931  0.777  0.643  1.0
  Si  Si3  1  0.569  0.777  0.143  1.0
  Si  Si4  1  0.193  0.223  0.427  1.0
  Si  Si5  1  0.307  0.223  0.927  1.0
  Si  Si6  1  0.807  0.777  0.573  1.0
  Si  Si7  1  0.693  0.777  0.073  1.0
  Sb  Sb8  1  0.145  0.699  0.763  1.0
  Sb  Sb9  1  0.355  0.699  0.263  1.0
  Sb  Sb10  1  0.855  0.301  0.237  1.0
  Sb  Sb11  1  0.645  0.301  0.737  1.0
  C  C12  1  0.133  0.010  0.464  1.0
  C  C13  1  0.367  0.010  0.964  1.0
  C  C14  1  0.867  0.990  0.536  1.0
  C  C15  1  0.633  0.990  0.036  1.0
  C  C16  1  0.945  0.402  0.115  1.0
  C  C17  1  0.555  0.402  0.615  1.0
  C  C18  1  0.055  0.598  0.885  1.0
  C  C19  1  0.445  0.598  0.385  1.0
  C  C20  1  0.000  0.315  0.206  1.0
  C  C21  1  0.500  0.315  0.706  1.0
  C  C22  1  1.000  0.685  0.794  1.0
  C  C23  1  0.500  0.685  0.294  1.0
  C  C24  1  0.053  0.420  0.091  1.0
  C  C25  1  0.447  0.420  0.591  1.0
  C  C26  1  0.947  0.580  0.909  1.0
  C  C27  1  0.553  0.580  0.409  1.0
  C  C28  1  0.294  0.247  0.149  1.0
  C  C29  1  0.206  0.247  0.649  1.0
  C  C30  1  0.706  0.753  0.851  1.0
  C  C31  1  0.794  0.753  0.351  1.0
  C  C32  1  0.266  0.229  0.308  1.0
  C  C33  1  0.234  0.229  0.808  1.0
  C  C34  1  0.734  0.771  0.692  1.0
  C  C35  1  0.766  0.771  0.192  1.0
  C  C36  1  0.320  0.353  0.248  1.0
  C  C37  1  0.180  0.353  0.748  1.0
  C  C38  1  0.680  0.647  0.752  1.0
  C  C39  1  0.820  0.647  0.252  1.0
  Cl  Cl40  1  0.937  0.595  0.490  1.0
  Cl  Cl41  1  0.563  0.595  0.990  1.0
  Cl  Cl42  1  0.063  0.405  0.510  1.0
  Cl  Cl43  1  0.437  0.405  0.010  1.0
  Cl  Cl44  1  0.182  0.624  0.217  1.0
  Cl  Cl45  1  0.318  0.624  0.717  1.0
  Cl  Cl46  1  0.818  0.376  0.783  1.0
  Cl  Cl47  1  0.682  0.376  0.283  1.0
[/CIF]
.