data_LaSiAg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.45
_cell_length_b   3.45
_cell_length_c   7.21
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaSiAg2
_chemical_formula_sum   'La1 Si1 Ag2'
_cell_volume   85.7
_cell_formula_units_Z   1
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  La2  1  0.72  0.72  0.7  1.0
  Si  Si3  1  0.0  0.0  0.78  1.0
  Ag  Ag0  1  0.72  0.72  0.08  1.0
  Ag  Ag1  1  0.0  0.0  0.46  1.0

data_LaSiAg2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.88
_cell_length_b   4.88
_cell_length_c   7.21
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   LaSiAg2
_chemical_formula_sum   'La2 Si2 Ag4'
_cell_volume   171.39
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  'x, -y, z'
  3  'x+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.22  0.5  0.7  1.0
  Si  Si1  2  0.0  0.0  0.78  1.0
  Ag  Ag2  2  0.0  0.0  0.46  1.0
  Ag  Ag3  2  0.22  0.5  0.08  1.0

La Si Ag Ag
LaAg2Si crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two LaAg2Si clusters. La(1) is bonded in a distorted single-bond geometry to one Ag(1), one Ag(2), and one Si(1) atom. The La(1)-Ag(1) bond length is 2.73 Å. The La(1)-Ag(2) bond length is 2.21 Å. The La(1)-Si(1) bond length is 1.48 Å. There are two inequivalent Ag sites. In the first Ag site, Ag(1) is bonded in a 2-coordinate geometry to one La(1) and one Si(1) atom. The Ag(1)-Si(1) bond length is 2.51 Å. In the second Ag site, Ag(2) is bonded in a distorted single-bond geometry to one La(1) atom. Si(1) is bonded in a single-bond geometry to one La(1) and one Ag(1) atom.