data_[Ac4Ge1Se2N1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Ge  2.0100  1.2500  0.7700
  Se  2.5500  1.1500  1.0133
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.5021]
_cell_length_b [4.3541]
_cell_length_c [7.7551]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0068]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Ac4GeSe2N]
_chemical_formula_sum '[Ac4 Ge1 Se2 N1]'
_cell_volume [239.5061]
_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  0.2630  0.5000  0.2265  1
  Ac  Ac1  2  0.2757  0.0000  0.7831  1
  Ge  Ge2  1  0.0000  0.0000  0.0000  1
  Se  Se3  1  0.0000  0.5000  0.5000  1
  Se  Se4  1  0.5000  0.0000  0.5000  1
  N  N5  1  0.5000  0.5000  0.0000  1
]