data_[Ca4Pm4C8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Pm  1.1300  1.8500  1.1100
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.4633]
_cell_length_b [9.7568]
_cell_length_c [6.3591]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.8932]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [CaPm(CO3)2]
_chemical_formula_sum '[Ca4 Pm4 C8 O24]'
_cell_volume [507.4567]
_cell_formula_units_Z [4]
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
[
  Ca  Ca0  4  0.0000  0.1685  0.7500  1
  Pm  Pm1  4  0.0000  0.4104  0.2500  1
  C  C2  8  0.2301  0.1065  0.2261  1
  O  O3  8  0.1303  0.3626  0.6310  1
  O  O4  8  0.1327  0.2031  0.1330  1
  O  O5  8  0.1964  0.0224  0.6875  1
]