data_LaAlTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.74
_cell_length_b   5.74
_cell_length_c   5.74
_cell_angle_alpha   144.3
_cell_angle_beta   144.3
_cell_angle_gamma   51.38
_symmetry_Int_Tables_number   1
_chemical_formula_structural   LaAlTc
_chemical_formula_sum   'La1 Al1 Tc1'
_cell_volume   64.16
_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  La1  1  0.0  0.0  0.51  1.0
  Al  Al0  1  0.0  0.0  0.5  1.0
  Tc  Tc2  1  0.0  0.0  0.35  1.0

data_LaAlTc
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.98
_cell_length_b   4.98
_cell_length_c   5.74
_cell_angle_alpha   90.0
_cell_angle_beta   115.69
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   LaAlTc
_chemical_formula_sum   'La2 Al2 Tc2'
_cell_volume   128.32
_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  0.0  0.0  0.49  1.0
  Al  Al1  2  0.0  0.0  0.5  1.0
  Tc  Tc2  2  0.0  0.0  0.65  1.0

La Al Tc
LaTcAl is Cyanogen Chloride-like structured and crystallizes in the monoclinic Cm space group. The structure is zero-dimensional and consists of two LaTcAl clusters. La(1) is bonded in a single-bond geometry to one Al(1) atom. The La(1)-Al(1) bond length is 0.07 Å. Tc(1) is bonded in a single-bond geometry to one Al(1) atom. The Tc(1)-Al(1) bond length is 0.86 Å. Al(1) is bonded in a linear geometry to one La(1) and one Tc(1) atom.