data_[Pm3Mg3H18Pt6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mg  1.3100  1.5000  0.8600
  H  2.2000  0.2500  0.0000
  Pt  2.2800  1.3500  0.8050
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.5644]
_cell_length_b [4.5644]
_cell_length_c [16.4681]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [PmMg(H3Pt)2]
_chemical_formula_sum '[Pm3 Mg3 H18 Pt6]'
_cell_volume [297.1275]
_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  0.0000  1
  Mg  Mg1  3  -0.0000  -0.0000  0.5000  1
  H  H2  18  0.0118  0.5059  0.0628  1
  Pt  Pt3  6  0.0000  0.0000  0.2114  1
]