data_Mg2Tc
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.8
_cell_length_b   7.68
_cell_length_c   7.68
_cell_angle_alpha   23.02
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2Tc
_chemical_formula_sum   'Mg4 Tc2'
_cell_volume   110.76
_cell_formula_units_Z   2
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
  Mg  Mg0  1  0.0  0.0  0.96  1.0
  Mg  Mg1  1  0.0  0.0  0.17  1.0
  Mg  Mg2  1  0.0  0.0  0.07  1.0
  Mg  Mg3  1  0.4  0.0  0.35  1.0
  Tc  Tc4  1  0.4  0.0  0.61  1.0
  Tc  Tc5  1  0.4  0.0  0.05  1.0

data_Mg2Tc
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.07
_cell_length_b   4.8
_cell_length_c   7.68
_cell_angle_alpha   90.0
_cell_angle_beta   101.51
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg2Tc
_chemical_formula_sum   'Mg4 Tc2'
_cell_volume   110.76
_cell_formula_units_Z   2
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
  Mg  Mg0  1  0.04  0.0  0.04  1.0
  Mg  Mg1  1  0.65  0.4  0.65  1.0
  Mg  Mg2  1  0.83  0.0  0.83  1.0
  Mg  Mg3  1  0.93  0.0  0.93  1.0
  Tc  Tc4  1  0.39  0.4  0.39  1.0
  Tc  Tc5  1  0.95  0.4  0.95  1.0

Mg Mg Mg Mg Tc Tc