data_[Ac2Mg1Os1O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Mg  1.3100  1.5000  0.8600
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.3614]
_cell_length_b [5.6187]
_cell_length_c [7.1347]
_cell_angle_alpha [84.5490]
_cell_angle_beta [88.1203]
_cell_angle_gamma [83.0873]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [Ac2MgOsO8]
_chemical_formula_sum '[Ac2 Mg1 Os1 O8]'
_cell_volume [172.7406]
_cell_formula_units_Z [1]
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
[
  Ac  Ac0  2  0.3023  0.4804  0.2618  1
  Mg  Mg1  1  0.0000  0.0000  0.5000  1
  Os  Os2  1  0.0000  0.0000  0.0000  1
  O  O3  2  0.2036  0.0342  0.2292  1
  O  O4  2  0.2106  0.6723  0.5555  1
  O  O5  2  0.2207  0.2202  0.8610  1
  O  O6  2  0.2881  0.7378  0.9479  1
]