data_[Ac2Ge2P2O2]
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
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.1064]
_cell_length_b [6.4366]
_cell_length_c [6.9467]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [AcGePO]
_chemical_formula_sum '[Ac2 Ge2 P2 O2]'
_cell_volume [183.6089]
_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
[
  Ac  Ac0  2  0.0000  0.2245  0.5293  1
  Ge  Ge1  2  0.5000  0.3851  0.9250  1
  P  P2  2  0.0000  0.2575  0.0869  1
  O  O3  2  0.5000  0.2129  0.7049  1
]