data_KSi2Tc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.88
_cell_length_b   4.88
_cell_length_c   2.98
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KSi2Tc
_chemical_formula_sum   'K1 Si2 Tc1'
_cell_volume   70.85
_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
  K  K0  1  0.0  0.0  0.0  1.0
  Si  Si1  1  0.0  0.44  0.49  1.0
  Si  Si2  1  0.44  0.0  0.49  1.0
  Tc  Tc3  1  0.44  0.44  0.0  1.0

data_KSi2Tc
_symmetry_space_group_name_H-M   Amm2
_cell_length_a   2.98
_cell_length_b   6.9
_cell_length_c   6.9
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   38
_chemical_formula_structural   KSi2Tc
_chemical_formula_sum   'K2 Si4 Tc2'
_cell_volume   141.69
_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, y, z'
  4  'x, -y, z'
  5  'x, y+1/2, z+1/2'
  6  '-x, -y+1/2, z+1/2'
  7  '-x, y+1/2, z+1/2'
  8  'x, -y+1/2, z+1/2'
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
  K  K0  2  0.0  0.0  0.0  1.0
  Si  Si1  4  0.5  0.22  0.22  1.0
  Tc  Tc2  2  0.0  0.0  0.44  1.0

K Si Si Tc
KTcSi2 crystallizes in the monoclinic Cm space group. K(1) is bonded in a 8-coordinate geometry to four equivalent Tc(1) and eight equivalent Si(1) atoms. There are a spread of K(1)-Tc(1) bond distances ranging from 3.04-3.87 Å. There are a spread of K(1)-Si(1) bond distances ranging from 2.59-3.13 Å. Tc(1) is bonded in a 14-coordinate geometry to four equivalent K(1), two equivalent Tc(1), and eight equivalent Si(1) atoms. Both Tc(1)-Tc(1) bond lengths are 2.98 Å. There are a spread of Tc(1)-Si(1) bond distances ranging from 2.59-3.13 Å. Si(1) is bonded in a 2-coordinate geometry to four equivalent K(1) and four equivalent Tc(1) atoms.