data_[Na4Ta8Si8P4O48]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ta  1.5000  1.4500  0.8200
  Si  1.9000  1.1000  0.5400
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cc]
_cell_length_a [15.2613]
_cell_length_b [8.8362]
_cell_length_c [9.2103]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.8425]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [9]
_chemical_formula_structural [NaTa2Si2PO12]
_chemical_formula_sum '[Na4 Ta8 Si8 P4 O48]'
_cell_volume [1031.5938]
_cell_formula_units_Z [4]
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
[
  Na  Na0  4  0.2487  0.2511  0.4998  1
  Ta  Ta1  4  0.1060  0.2514  0.0639  1
  Ta  Ta2  4  0.3969  0.7433  0.4357  1
  Si  Si3  4  0.0016  0.0381  0.2514  1
  Si  Si4  4  0.1439  0.3937  0.7500  1
  P  P5  4  0.3570  0.1058  0.2488  1
  O  O6  4  0.0395  0.3197  0.5786  1
  O  O7  4  0.0718  0.0700  0.9219  1
  O  O8  4  0.0781  0.1454  0.2250  1
  O  O9  4  0.1398  0.3636  0.9213  1
  O  O10  4  0.1470  0.4238  0.2263  1
  O  O11  4  0.2472  0.3139  0.7737  1
  O  O12  4  0.2579  0.1792  0.2281  1
  O  O13  4  0.3535  0.0655  0.7744  1
  O  O14  4  0.3587  0.1336  0.0857  1
  O  O15  4  0.4218  0.3539  0.7720  1
  O  O16  4  0.4268  0.4310  0.0795  1
  O  O17  4  0.4538  0.1791  0.4141  1
]