data_[Pm6Ag3H3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ag  1.9300  1.6000  1.0867
  H  2.2000  0.2500  0.0000
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.7873]
_cell_length_b [3.7873]
_cell_length_c [21.8041]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Pm2AgH]
_chemical_formula_sum '[Pm6 Ag3 H3]'
_cell_volume [270.8444]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0650  1
  Pm  Pm1  3  0.0000  0.0000  0.2687  1
  Ag  Ag2  3  0.0000  0.0000  0.4995  1
  H  H3  3  0.0000  0.0000  0.6668  1
]