data_[Mg1Sn8P4O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P1]
_cell_length_a [7.0934]
_cell_length_b [8.2033]
_cell_length_c [11.2076]
_cell_angle_alpha [74.7379]
_cell_angle_beta [77.7867]
_cell_angle_gamma [65.8549]
_symmetry_Int_Tables_number [1]
_chemical_formula_structural [MgSn8(P2O9)2]
_chemical_formula_sum '[Mg1 Sn8 P4 O18]'
_cell_volume [570.1067]
_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
[
  Mg  Mg0  1  0.7148  0.1320  0.1538  1
  Sn  Sn1  1  0.0829  0.1896  0.9477  1
  Sn  Sn2  1  0.1117  0.0719  0.6097  1
  Sn  Sn3  1  0.2192  0.4538  0.3163  1
  Sn  Sn4  1  0.4387  0.7603  0.0990  1
  Sn  Sn5  1  0.5670  0.2560  0.8931  1
  Sn  Sn6  1  0.8328  0.5430  0.6820  1
  Sn  Sn7  1  0.8825  0.9038  0.4246  1
  Sn  Sn8  1  0.9494  0.7793  0.0340  1
  P  P9  1  0.2230  0.6340  0.7624  1
  P  P10  1  0.4186  0.0175  0.3037  1
  P  P11  1  0.5740  0.9731  0.7096  1
  P  P12  1  0.7918  0.3755  0.2325  1
  O  O13  1  0.0794  0.5285  0.7761  1
  O  O14  1  0.1826  0.7196  0.8780  1
  O  O15  1  0.1915  0.7842  0.6419  1
  O  O16  1  0.1935  0.6593  0.1535  1
  O  O17  1  0.3185  0.0373  0.4360  1
  O  O18  1  0.3213  0.9258  0.2448  1
  O  O19  1  0.3311  0.0650  0.7214  1
  O  O20  1  0.4029  0.2119  0.2209  1
  O  O21  1  0.4544  0.4961  0.7503  1
  O  O22  1  0.5697  0.5227  0.2522  1
  O  O23  1  0.6403  0.7686  0.7699  1
  O  O24  1  0.6583  0.0052  0.5690  1
  O  O25  1  0.6630  0.0643  0.7768  1
  O  O26  1  0.6642  0.9134  0.2957  1
  O  O27  1  0.7884  0.1867  0.3109  1
  O  O28  1  0.8224  0.3449  0.0950  1
  O  O29  1  0.8452  0.3141  0.8273  1
  O  O30  1  0.9562  0.4271  0.2617  1
]