The compound described by LaAl crystallizes in the orthorhombic Cmcm space group. La(1) is bonded in a 8-coordinate geometry to four equivalent Al(1) and four equivalent Al(2) atoms. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded in a distorted q6 geometry to eight equivalent La(1) and two equivalent Al(2) atoms. In the second Al site, Al(2) is bonded to eight equivalent La(1), two equivalent Al(1), and two equivalent Al(2) atoms to form a mixture of corner, edge, and face-sharing AlLa8Al4 cuboctahedra. is represented by the CIF card [CIF]
data_LaAl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.742
_cell_length_b   6.133
_cell_length_c   6.133
_cell_angle_alpha   101.094
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   211.965
_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
  La  La0  1  0.750  0.158  0.513  1.0
  La  La1  1  0.250  0.842  0.487  1.0
  La  La2  1  0.750  0.513  0.158  1.0
  La  La3  1  0.250  0.487  0.842  1.0
  Al  Al4  1  0.750  0.698  0.698  1.0
  Al  Al5  1  0.250  0.302  0.302  1.0
  Al  Al6  1  0.500  0.000  0.000  1.0
  Al  Al7  1  0.000  0.000  0.000  1.0
[/CIF]
.
The compound described by LaAl crystallizes in the orthorhombic Cmcm space group. La(1) is bonded in a 8-coordinate geometry to four equivalent Al(1) and four equivalent Al(2) atoms. There are two inequivalent Al sites. In the first Al site, Al(1) is bonded in a distorted q6 geometry to eight equivalent La(1) and two equivalent Al(2) atoms. In the second Al site, Al(2) is bonded to eight equivalent La(1), two equivalent Al(1), and two equivalent Al(2) atoms to form a mixture of corner, edge, and face-sharing AlLa8Al4 cuboctahedra. is represented by the CIF card [CIF]
data_LaAl
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.742
_cell_length_b   6.133
_cell_length_c   6.133
_cell_angle_alpha   101.094
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   211.965
_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
  La  La0  1  0.750  0.158  0.513  1.0
  La  La1  1  0.250  0.842  0.487  1.0
  La  La2  1  0.750  0.513  0.158  1.0
  La  La3  1  0.250  0.487  0.842  1.0
  Al  Al4  1  0.750  0.698  0.698  1.0
  Al  Al5  1  0.250  0.302  0.302  1.0
  Al  Al6  1  0.500  0.000  0.000  1.0
  Al  Al7  1  0.000  0.000  0.000  1.0
[/CIF]
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