data_[K4Sr2P4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Sr  0.9500  2.0000  1.3200
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.3443]
_cell_length_b [5.9479]
_cell_length_c [7.0097]
_cell_angle_alpha [90.0000]
_cell_angle_beta [122.7471]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Sr(PO3)2]
_chemical_formula_sum '[K4 Sr2 P4 O12]'
_cell_volume [362.7380]
_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
[
  K  K0  4  0.2120  0.5000  0.1891  1.0
  Sr  Sr1  2  0.0000  0.5000  0.5000  1.0
  P  P2  4  0.0380  0.0000  0.1805  1.0
  O  O3  8  0.0303  0.2160  0.7839  1.0
  O  O4  4  0.2153  0.0000  0.3236  1.0
]