data_[Pm6Hg2H2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Hg  2.0000  1.5000  1.2450
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.0172]
_cell_length_b [3.7174]
_cell_length_c [9.9477]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.4551]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Pm3HgH]
_chemical_formula_sum '[Pm6 Hg2 H2]'
_cell_volume [255.1836]
_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
[
  Pm  Pm0  2  0.0895  0.2500  0.3737  1
  Pm  Pm1  2  0.2239  0.2500  0.9125  1
  Pm  Pm2  2  0.3995  0.7500  0.6395  1
  Hg  Hg3  2  0.2889  0.7500  0.1760  1
  H  H4  2  0.1630  0.2500  0.6475  1
]