data_[Mg2Tc4Pb2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Tc  1.9000  1.3500  0.7417
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [4.1185]
_cell_length_b [4.5918]
_cell_length_c [7.7228]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [MgTc2Pb]
_chemical_formula_sum '[Mg2 Tc4 Pb2]'
_cell_volume [146.0499]
_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  2  0.0000  0.0000  0.4902  1
  Tc  Tc1  2  0.0000  0.0000  0.0339  1
  Tc  Tc2  2  0.0000  0.5000  0.7099  1
  Pb  Pb3  2  0.0000  0.5000  0.2659  1
]