data_[Mg2Al2P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Al  1.6100  1.2500  0.6750
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.7009]
_cell_length_b [4.1936]
_cell_length_c [9.1649]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [MgAlP2]
_chemical_formula_sum '[Mg2 Al2 P4]'
_cell_volume [142.2398]
_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
[
  Mg  Mg0  2  0.0000  0.5000  0.2477  1
  Al  Al1  2  0.0000  0.0000  0.5049  1
  P  P2  2  0.0000  0.0000  0.0445  1
  P  P3  2  0.0000  0.5000  0.7028  1
]