data_LaTaSn2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.23
_cell_length_b   5.23
_cell_length_c   6.29
_cell_angle_alpha   99.93
_cell_angle_beta   99.93
_cell_angle_gamma   37.31
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaTaSn2
_chemical_formula_sum   'La1 Ta1 Sn2'
_cell_volume   102.43
_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  La0  1  0.0  0.0  0.0  1.0
  Ta  Ta3  1  0.38  0.0  0.09  1.0
  Sn  Sn1  1  0.54  0.0  0.31  1.0
  Sn  Sn2  1  0.22  0.0  0.87  1.0

data_LaTaSn2
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.35
_cell_length_b   5.23
_cell_length_c   6.29
_cell_angle_alpha   99.93
_cell_angle_beta   90.0
_cell_angle_gamma   108.65
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaTaSn2
_chemical_formula_sum   'La1 Ta1 Sn2'
_cell_volume   102.43
_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  La0  1  0.0  0.0  0.0  1.0
  Ta  Ta1  1  0.0  0.62  0.91  1.0
  Sn  Sn2  1  0.0  0.46  0.69  1.0
  Sn  Sn3  1  0.0  0.78  0.13  1.0

La Ta Sn Sn
LaTaSn2 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of one LaTaSn2 cluster. La(1) is bonded in a distorted single-bond geometry to one Sn(2) atom. The La(1)-Sn(2) bond length is 1.55 Å. Ta(1) is bonded in a distorted linear geometry to one Sn(1) and one Sn(2) atom. The Ta(1)-Sn(1) bond length is 1.51 Å. The Ta(1)-Sn(2) bond length is 1.51 Å. There are two inequivalent Sn sites. In the first Sn site, Sn(1) is bonded in a single-bond geometry to one Ta(1) atom. In the second Sn site, Sn(2) is bonded in an L-shaped geometry to one La(1) and one Ta(1) atom.