data_[Y6Mg2P6O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C222]
_cell_length_a [7.0841]
_cell_length_b [12.1425]
_cell_length_c [6.2953]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [21]
_chemical_formula_structural [Y3Mg(PO4)3]
_chemical_formula_sum '[Y6 Mg2 P6 O24]'
_cell_volume [541.5107]
_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
[
  Y  Y0  4  0.2500  0.2500  0.3314  1
  Y  Y1  2  0.0000  0.5000  0.0000  1
  Mg  Mg2  2  0.0000  0.0000  0.5000  1
  P  P3  4  0.2500  0.2500  0.8349  1
  P  P4  2  0.0000  0.5000  0.5000  1
  O  O5  8  0.0830  0.2268  0.6824  1
  O  O6  8  0.1214  0.4298  0.3466  1
  O  O7  8  0.2092  0.3477  0.9875  1
]