data_[Ca16P4N6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  P  2.1900  1.0000  0.5500
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [14.0258]
_cell_length_b [7.3454]
_cell_length_c [6.3069]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0575]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Ca8P2N3]
_chemical_formula_sum '[Ca16 P4 N6]'
_cell_volume [614.1585]
_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
[
  Ca  Ca0  8  0.1051  0.2284  0.3963  1.0
  Ca  Ca1  4  0.0944  0.0000  0.9036  1.0
  Ca  Ca2  4  0.1013  0.5000  0.9334  1.0
  P  P3  4  0.2373  0.5000  0.6791  1.0
  N  N4  4  0.0000  0.2567  0.0000  1.0
  N  N5  2  0.0000  0.0000  0.5000  1.0
]