data_Be2SiTc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.52
_cell_length_b   4.52
_cell_length_c   2.59
_cell_angle_alpha   98.23
_cell_angle_beta   98.23
_cell_angle_gamma   115.68
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SiTc
_chemical_formula_sum   'Be2 Si1 Tc1'
_cell_volume   46.03
_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
  Be  Be0  1  0.85  0.91  0.25  1.0
  Be  Be1  1  0.85  0.09  0.25  1.0
  Si  Si2  1  0.0  0.0  0.0  1.0
  Tc  Tc3  1  0.41  0.0  0.0  1.0

data_Be2SiTc
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.59
_cell_length_b   4.52
_cell_length_c   4.52
_cell_angle_alpha   115.68
_cell_angle_beta   98.23
_cell_angle_gamma   98.23
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Be2SiTc
_chemical_formula_sum   'Be2 Si1 Tc1'
_cell_volume   46.03
_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
  Be  Be0  1  0.25  0.85  0.91  1.0
  Be  Be1  1  0.25  0.85  0.09  1.0
  Tc  Tc2  1  -0.0  0.41  0.0  1.0
  Si  Si3  1  0.0  0.0  0.0  1.0

Be Be Si Tc