data_[Ca3Np3As3P3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Np  1.3600  1.7500  1.0000
  As  2.1800  1.1500  0.6600
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [4.1065]
_cell_length_b [4.1065]
_cell_length_c [20.1654]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [CaNpAsP]
_chemical_formula_sum '[Ca3 Np3 As3 P3]'
_cell_volume [294.4970]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.4979  1
  Np  Np1  3  0.0000  0.0000  0.0033  1
  As  As2  3  0.0000  0.0000  0.2571  1
  P  P3  3  0.0000  0.0000  0.7416  1
]