data_[Na2Be2P2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Be  1.5700  1.0500  0.5900
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [3.7090]
_cell_length_b [5.3454]
_cell_length_c [7.1230]
_cell_angle_alpha [70.0346]
_cell_angle_beta [75.3254]
_cell_angle_gamma [70.4015]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [NaBeP]
_chemical_formula_sum '[Na2 Be2 P2]'
_cell_volume [123.4999]
_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
[
  Na  Na0  2  0.4104  0.3366  0.3278  1.0
  Be  Be1  2  0.2374  0.9412  0.0840  1.0
  P  P2  2  0.2700  0.1879  0.7726  1.0
]