data_[Pm14As4C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  As  2.1800  1.1500  0.6600
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.9053]
_cell_length_b [12.0650]
_cell_length_c [7.2490]
_cell_angle_alpha [90.0000]
_cell_angle_beta [97.6107]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm7(AsC)2]
_chemical_formula_sum '[Pm14 As4 C4]'
_cell_volume [685.3030]
_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  8  0.2479  0.1887  0.7601  1
  Pm  Pm1  4  0.0868  0.5000  0.7882  1
  Pm  Pm2  2  0.0000  0.0000  0.0000  1
  As  As3  4  0.0000  0.3187  0.5000  1
  C  C4  4  0.2111  0.5000  0.1240  1
]