The compound described by LaSi crystallizes in the orthorhombic Pnma space group. La(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to seven equivalent La(1) and two equivalent Si(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_LaSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.007
_cell_length_b   6.070
_cell_length_c   8.493
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   206.562
_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  0.250  0.387  0.680  1.0
  La  La1  1  0.750  0.613  0.320  1.0
  La  La2  1  0.750  0.887  0.820  1.0
  La  La3  1  0.250  0.113  0.180  1.0
  Si  Si4  1  0.250  0.884  0.533  1.0
  Si  Si5  1  0.750  0.116  0.467  1.0
  Si  Si6  1  0.750  0.384  0.967  1.0
  Si  Si7  1  0.250  0.616  0.033  1.0
[/CIF]
.
The compound described by LaSi crystallizes in the orthorhombic Pnma space group. La(1) is bonded in a 7-coordinate geometry to seven equivalent Si(1) atoms. Si(1) is bonded in a 9-coordinate geometry to seven equivalent La(1) and two equivalent Si(1) atoms. is represented by the Crystallographic Information File (CIF) [CIF]
data_LaSi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.007
_cell_length_b   6.070
_cell_length_c   8.493
_cell_angle_alpha   90.000
_cell_angle_beta   90.000
_cell_angle_gamma   90.000
_symmetry_Int_Tables_number   1
_cell_volume   206.562
_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  0.250  0.387  0.680  1.0
  La  La1  1  0.750  0.613  0.320  1.0
  La  La2  1  0.750  0.887  0.820  1.0
  La  La3  1  0.250  0.113  0.180  1.0
  Si  Si4  1  0.250  0.884  0.533  1.0
  Si  Si5  1  0.750  0.116  0.467  1.0
  Si  Si6  1  0.750  0.384  0.967  1.0
  Si  Si7  1  0.250  0.616  0.033  1.0
[/CIF]
.