The structure described by La4C5Cl2 crystallizes in the monoclinic C2/m space group. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to two equivalent C(2), three equivalent C(4), one Cl(1), and two equivalent Cl(2) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one C(2), one C(5), two equivalent C(1), two equivalent C(3), and two equivalent Cl(1) atoms. In the third La site, La(3) is bonded in a 10-coordinate geometry to two equivalent C(1), two equivalent C(2), two equivalent C(4), three equivalent C(3), and one Cl(2) atom. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one C(1), four equivalent C(5), one Cl(1), and two equivalent Cl(2) atoms. There are five inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one La(4), two equivalent La(2), two equivalent La(3), and one C(3) atom. In the second C site, C(2) is bonded to one La(2), two equivalent La(1), two equivalent La(3), and one C(4) atom to form distorted CLa5C octahedra that share corners with two equivalent C(3)La5C octahedra, corners with four equivalent Cl(2)La5 square pyramids, edges with two equivalent C(2)La5C octahedra, edges with three equivalent C(3)La5C octahedra, and  an edgeedge with one Cl(2)La5 square pyramid. The corner-sharing octahedral tilt angles are 22°. In the third C site, C(3) is bonded to two equivalent La(2), three equivalent La(3), and one C(1) atom to form distorted CLa5C octahedra that share corners with two equivalent C(2)La5C octahedra, corners with three equivalent Cl(2)La5 square pyramids, edges with three equivalent C(2)La5C octahedra, and edges with four equivalent C(3)La5C octahedra. The corner-sharing octahedral tilt angles are 22°. In the fourth C site, C(4) is bonded in a 6-coordinate geometry to two equivalent La(3), three equivalent La(1), and one C(2) atom. In the fifth C site, C(5) is bonded in a 6-coordinate geometry to one La(2), four equivalent La(4), and one C(5) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a rectangular see-saw-like geometry to one La(1), one La(4), and two equivalent La(2) atoms. In the second Cl site, Cl(2) is bonded to one La(3), two equivalent La(1), and two equivalent La(4) atoms to form distorted ClLa5 square pyramids that share corners with three equivalent C(3)La5C octahedra, corners with four equivalent C(2)La5C octahedra,  an edgeedge with one C(2)La5C octahedra, and edges with two equivalent Cl(2)La5 square pyramids. The corner-sharing octahedral tilt angles range from 3-80°. is represented by the CIF file [CIF]
data_La4C5Cl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.508
_cell_length_b   11.508
_cell_length_c   10.266
_cell_angle_alpha   84.731
_cell_angle_beta   84.731
_cell_angle_gamma   19.615
_symmetry_Int_Tables_number   1
_cell_volume   454.461
_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
  La  La0  1  0.175  0.175  0.976  1.0
  La  La1  1  0.825  0.825  0.024  1.0
  La  La2  1  0.618  0.618  0.647  1.0
  La  La3  1  0.382  0.382  0.353  1.0
  La  La4  1  0.275  0.275  0.666  1.0
  La  La5  1  0.725  0.725  0.334  1.0
  La  La6  1  0.954  0.954  0.651  1.0
  La  La7  1  0.046  0.046  0.349  1.0
  C  C8  1  0.144  0.144  0.453  1.0
  C  C9  1  0.856  0.856  0.547  1.0
  C  C10  1  0.703  0.703  0.797  1.0
  C  C11  1  0.297  0.297  0.203  1.0
  C  C12  1  0.190  0.190  0.524  1.0
  C  C13  1  0.810  0.810  0.476  1.0
  C  C14  1  0.251  0.251  0.133  1.0
  C  C15  1  0.749  0.749  0.867  1.0
  C  C16  1  0.524  0.524  0.535  1.0
  C  C17  1  0.476  0.476  0.465  1.0
  Cl  Cl18  1  0.057  0.057  0.836  1.0
  Cl  Cl19  1  0.943  0.943  0.164  1.0
  Cl  Cl20  1  0.603  0.603  0.150  1.0
  Cl  Cl21  1  0.397  0.397  0.850  1.0
[/CIF]
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The structure described by La4C5Cl2 crystallizes in the monoclinic C2/m space group. There are four inequivalent La sites. In the first La site, La(1) is bonded in a 8-coordinate geometry to two equivalent C(2), three equivalent C(4), one Cl(1), and two equivalent Cl(2) atoms. In the second La site, La(2) is bonded in a 8-coordinate geometry to one C(2), one C(5), two equivalent C(1), two equivalent C(3), and two equivalent Cl(1) atoms. In the third La site, La(3) is bonded in a 10-coordinate geometry to two equivalent C(1), two equivalent C(2), two equivalent C(4), three equivalent C(3), and one Cl(2) atom. In the fourth La site, La(4) is bonded in a 8-coordinate geometry to one C(1), four equivalent C(5), one Cl(1), and two equivalent Cl(2) atoms. There are five inequivalent C sites. In the first C site, C(1) is bonded in a 6-coordinate geometry to one La(4), two equivalent La(2), two equivalent La(3), and one C(3) atom. In the second C site, C(2) is bonded to one La(2), two equivalent La(1), two equivalent La(3), and one C(4) atom to form distorted CLa5C octahedra that share corners with two equivalent C(3)La5C octahedra, corners with four equivalent Cl(2)La5 square pyramids, edges with two equivalent C(2)La5C octahedra, edges with three equivalent C(3)La5C octahedra, and  an edgeedge with one Cl(2)La5 square pyramid. The corner-sharing octahedral tilt angles are 22°. In the third C site, C(3) is bonded to two equivalent La(2), three equivalent La(3), and one C(1) atom to form distorted CLa5C octahedra that share corners with two equivalent C(2)La5C octahedra, corners with three equivalent Cl(2)La5 square pyramids, edges with three equivalent C(2)La5C octahedra, and edges with four equivalent C(3)La5C octahedra. The corner-sharing octahedral tilt angles are 22°. In the fourth C site, C(4) is bonded in a 6-coordinate geometry to two equivalent La(3), three equivalent La(1), and one C(2) atom. In the fifth C site, C(5) is bonded in a 6-coordinate geometry to one La(2), four equivalent La(4), and one C(5) atom. There are two inequivalent Cl sites. In the first Cl site, Cl(1) is bonded in a rectangular see-saw-like geometry to one La(1), one La(4), and two equivalent La(2) atoms. In the second Cl site, Cl(2) is bonded to one La(3), two equivalent La(1), and two equivalent La(4) atoms to form distorted ClLa5 square pyramids that share corners with three equivalent C(3)La5C octahedra, corners with four equivalent C(2)La5C octahedra,  an edgeedge with one C(2)La5C octahedra, and edges with two equivalent Cl(2)La5 square pyramids. The corner-sharing octahedral tilt angles range from 3-80°. is represented by the CIF file [CIF]
data_La4C5Cl2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.508
_cell_length_b   11.508
_cell_length_c   10.266
_cell_angle_alpha   84.731
_cell_angle_beta   84.731
_cell_angle_gamma   19.615
_symmetry_Int_Tables_number   1
_cell_volume   454.461
_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
  La  La0  1  0.175  0.175  0.976  1.0
  La  La1  1  0.825  0.825  0.024  1.0
  La  La2  1  0.618  0.618  0.647  1.0
  La  La3  1  0.382  0.382  0.353  1.0
  La  La4  1  0.275  0.275  0.666  1.0
  La  La5  1  0.725  0.725  0.334  1.0
  La  La6  1  0.954  0.954  0.651  1.0
  La  La7  1  0.046  0.046  0.349  1.0
  C  C8  1  0.144  0.144  0.453  1.0
  C  C9  1  0.856  0.856  0.547  1.0
  C  C10  1  0.703  0.703  0.797  1.0
  C  C11  1  0.297  0.297  0.203  1.0
  C  C12  1  0.190  0.190  0.524  1.0
  C  C13  1  0.810  0.810  0.476  1.0
  C  C14  1  0.251  0.251  0.133  1.0
  C  C15  1  0.749  0.749  0.867  1.0
  C  C16  1  0.524  0.524  0.535  1.0
  C  C17  1  0.476  0.476  0.465  1.0
  Cl  Cl18  1  0.057  0.057  0.836  1.0
  Cl  Cl19  1  0.943  0.943  0.164  1.0
  Cl  Cl20  1  0.603  0.603  0.150  1.0
  Cl  Cl21  1  0.397  0.397  0.850  1.0
[/CIF]
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