data_[Sr28Si4N24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Si  1.9000  1.1000  0.5400
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [Pbcn]
_cell_length_a [11.6116]
_cell_length_b [6.6005]
_cell_length_c [13.7455]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [60]
_chemical_formula_structural [Sr7SiN6]
_chemical_formula_sum '[Sr28 Si4 N24]'
_cell_volume [1053.4853]
_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
[
  Sr  Sr0  8  0.0388  0.2605  0.4806  1
  Sr  Sr1  8  0.2067  0.1133  0.8726  1
  Sr  Sr2  8  0.2210  0.1424  0.1247  1
  Sr  Sr3  4  0.0000  0.4417  0.7500  1
  Si  Si4  4  0.0000  0.0711  0.2500  1
  N  N5  8  0.0414  0.0866  0.6486  1
  N  N6  8  0.1193  0.2310  0.2890  1
  N  N7  8  0.1660  0.4064  0.9999  1
]