data_[Mg4Sn2P4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  P  2.1900  1.0000  0.5500
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [7.6323]
_cell_length_b [7.6323]
_cell_length_c [3.3628]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Mg2SnP2]
_chemical_formula_sum '[Mg4 Sn2 P4]'
_cell_volume [195.8875]
_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  4  0.1395  0.6395  0.5000  1
  Sn  Sn1  2  0.0000  0.0000  0.0000  1
  P  P2  4  0.1619  0.3381  0.0000  1
]